Re: [802.3ae] Bad idea...not including FP laser in PMD
Eric
Thank you for your comments. I don't think that 1.3 VCSEL have been proven
to be more cost effective than 1.3 FP lasers. Augments used for 0.85 VCSEL
do not apply to 1.3 VCSEL. 1.3 VCSEL is now under development and it is
interesting to see if they can compete on cost, reliability and performance
(remain to be seen). On the other hands, 1.3 FP lasers has been deploy in
field for many years. I am not interested and not planning to spark any
debate on the maturity of 1.3 VCSEL and/or its comparison to 1.3 FP lasers.
All I want to point out is that 1.3 FP laser is the most cost effective
solution for <2km SMF applications and is unfortunately not being included
in the standard. Therefore, I sincerely ask the committee to reconsider the
current position of four PMDs: "Are the PMDs providing the "cost effective"
coverage of the distances/fiber type space?", and initiate a call for
interest. If there is no interest in the community, I am willing to
concede...... Thank you.
Norman Kwong
Archcom Technology
626-969-0681 x121
----- Original Message -----
From: "Eric Grann" <grann@xxxxxxxxxxx>
To: "'Norman Kwong'" <nkwong@xxxxxxxxxxxxxxx>; <stds-802-3-hssg@xxxxxxxx>
Sent: Tuesday, April 02, 2002 8:42 AM
Subject: RE: [802.3ae] Bad idea...not including FP laser in PMD
> Norman,
>
> I believe several companies are introducing a serial 10G solution, based
on
> 1300nm VCSELs, that meets the current 802.3ae Draft. Since VCSELs have
been
> shown to be more cost effective than any other laser technology (including
> FP lasers), I believe that the current standard does address an optimal
cost
> "serial" solution for <2km of SMF. Furthermore, there are currently 2
> technologies available in the IEEE 10G standard for this space (1310nm
> Serial, 1300 CWDM). Both of these PMDs will take advantage of low cost
> VCSEL technologies for a cost effective SMF solution that not only goes
2km
> but also 10km, minimizing the number of PMDs in the market space.
>
> Regards,
>
> Eric Grann
>
> Eric Grann, Ph.D.
> Chief Technical Officer
> Blaze Network Products
> (925) 558-2100 Phone
> (925) 558-2197 Fax
> grann@xxxxxxxxxxx
>
>
> -----Original Message-----
> From: Norman Kwong [mailto:nkwong@xxxxxxxxxxxxxxx]
> Sent: Monday, April 01, 2002 5:44 PM
> To: david@xxxxxxxx; 'Taborek, Rich'; 'Grow, Bob';
> stds-802-3-hssg@xxxxxxxx
> Cc: Stan Swirhun; Jack Jewell
> Subject: Re: [802.3ae] Bad idea...not including FP laser in PMD
>
>
>
> Bob, Rich, Michael and David,
> Thank you for your comments and opinions. Having a set of PMD covering =
> various distances is one thing (I agree we have it), but having a =
> "optimal cost" for applications is another thing. I do not believe our =
> current set of PMDs provide a "Optimal Cost" choices for <2km SMF for =
> customers to choose, namely FP laser is not included.=20
> Norman Kwong
> Archcom Technology
> 626-969-0681 x121
> ----- Original Message -----=20
> From: David Kabal=20
> To: 'Taborek, Rich' ; 'Norman Kwong' ; 'Grow, Bob' ; =
> stds-802-3-hssg@xxxxxxxx=20
> Cc: Stan Swirhun ; Jack Jewell=20
> Sent: Monday, April 01, 2002 4:26 PM
> Subject: RE: [802.3ae] Bad idea...not including FP laser in PMD
>
>
> Norman:
>
>
>
> To echo Rich and Bob's sentiment, it is clear that our current crop of =
> PMDs addresses all significant market spaces and our agreed objectives, =
> and we have even seen these spaces blurred by performance above and =
> beyond the specification for each PMD:
>
>
>
> a.. Production 850 nm serial PMDs have been shown operating at 1 km =
> over multimode fiber (standard requires 65 m operation; see OFC =
> announcements for this result)=20
> b.. Production 1310 nm serial PMDs have been shown operating at 40 =
> km over single mode fiber (see technical feasibility presentations for =
> this result)=20
> c.. CWDM 1310 nm PMDs have operated as advertised, on 300 m of =
> installed multimode fiber (see technical feasibility presentations for =
> this result)=20
> d.. Production 1550 nm serial PMDs are commonly deployed for =
> distances of 100 km (and more) over single mode fiber (see numerous =
> product specs for this result)=20
>
>
> The PMD set we picked was complete, and the PMDs are overlapping more =
> than we could probably have guessed in their performance. The use of an =
> FP laser does not address a new application space that we forgot about, =
> it represents a technology specific solution that is already covered.
>
>
>
> Cheers,
> Dave
>
>
>
> ------
>
> David Kabal
>
> Sr. Technology Planner
>
> Picolight
>
>
>
> e-mail: david.kabal@xxxxxxxxxxxxx
>
> Main: 303-530-3189 x7498
>
> Direct: 303-527-7498
>
> Fax: 303-527-4961
>
>
>
> -----Original Message-----
> From: owner-stds-802-3-hssg@xxxxxxxxxxxxxxxxxx =
> [mailto:owner-stds-802-3-hssg@xxxxxxxxxxxxxxxxxx] On Behalf Of Taborek, =
> Rich
> Sent: Friday, March 29, 2002 6:47 PM
> To: Norman Kwong; Grow, Bob; stds-802-3-hssg@xxxxxxxx
> Subject: RE: [802.3ae] Bad idea...not including FP laser in PMD
>
>
>
> Norman,
>
>
>
> I agree with Bob's response from a process perspective and would like =
> to take this opportunity to address the market issues which you raise.=20
>
>
>
> The IEEE P802.3ae draft standard currently provides multiple solutions =
> for short reach links. Depending on your definition of "short", either =
> 850 nm VCSEL, 1310 nm VCSEL, 1310 nm DFB or 1310 nm CWDM solutions =
> adequately cover all customer distance and fiber type requirements with =
> significant overlap. I'm unaware of any significant change since this =
> decision, but I have seen a huge discounting of highly integrated 10G =
> optical module solutions relative to the timeframe of the decision. =
> Looking into the future, vendors are already addressing short reach =
> links with more compact optical module solutions which will adequately =
> and economically meet customer requirements. I beg to differ with you on =
> your statement that: "Customers don't care how many PMDs". This is not =
> what I've heard from any system supplier at IEEE 802.3ae Task Force =
> meetings.
>
>
>
> Lastly, I don't perceive that anything is "broken" with the current =
> specification (of PMDs). This is usually the impetus for change. In my =
> view, the PMDs specified in IEEE P802.3ae adequately and economically =
> allow customers to deploy 10GbE equipment.
>
>
>
> If you believe that you have enough support for a Call for Interest =
> for a 10GbE 1310 nm FP PMD, the call must be initiated through IEEE =
> 802.3, not 802.3ae.
>
>
> Best Regards,
> Rich
> =20
> ---------------------------------------------------------
> Richard Taborek Sr. Intel Corporation
> XAUI Sherpa Intel Communications Group
> 3101 Jay Street, Suite 110 Optical Strategic Marketing
> Santa Clara, CA 95054 Santa Clara Design Center
> 408-496-3423 JAY1-101
> Cell: 408-832-3957 mailto:rich.taborek@xxxxxxxxx
> Fax: 408-486-9783 http://www.intel.com=20
>
> -----Original Message-----
> From: Norman Kwong [mailto:nkwong@xxxxxxxxxxxxxxx]
> Sent: Friday, March 29, 2002 11:27 AM
> To: Grow, Bob; stds-802-3-hssg@xxxxxxxx
> Subject: Re: [802.3ae] Bad idea...not including FP laser in PMD
>
> Bob,
>
> Thanks for your quick response. If it is a right thing to do, it =
> never be too late. Imagine if majority of the short reach link deployed =
> in next few years are using FP lasers and it is not covered by the =
> standard, it will go down to the history book that the committee did not =
> do a good job of serving the industry. Since the committee discussed =
> and make the decision a long time ago, many things have been changed. =
> Many technologies promised to deliver low cost products have not done it =
> yet for variety of reasons. FP lasers has been available and always be =
> available to serve the industry. There are concern of too many PMDs in =
> the standard, the keys is how many PMD are low cost and can deliver in =
> volume. Customers don't care how many PMDs, all they care is how they =
> can get parts that can do the job, cheap and reliable. I'd urge the =
> committee should initiate a call for interest for this topic. Thanks
>
> Norman Kwong
>
> CTO
>
> Archcom Technology
>
> Office: 626-969-0681 x121
>
> 1335 W. Foothill Blvd.
>
> Azusa, CA 91702
>
> ----- Original Message -----=20
>
> From: Grow, Bob=20
>
> To: 'Norman Kwong' ; stds-802-3-hssg@xxxxxxxx=20
>
> Sent: Thursday, March 28, 2002 4:58 PM
>
> Subject: RE: [802.3ae] Bad idea...not including FP laser in PMD
>
>
>
> Norman:
>
>
>
> It is too late to add major functionality you describe to the =
> 802.3ae project. As you point out, the committee discussed the topic =
> and made its decision a long time ago. The P802.3ae draft has completed =
> Working Group and is in the final stages of Sponsor ballot. The =
> addition you propose is outside the scope of the current Sponsor =
> recirculation ballot and therefore should not be considered by the =
> P802.3ae Task Force.
>
> Bob Grow=20
> Chair, IEEE 802.3 Working Group
>
> Intel, EC2-101=20
> 13290 Evening Creek Drive=20
> San Diego, CA 92128=20
>
> phone: 858-391-4622=20
> mobile: 858-705-1829=20
> fax: 858-391-4580=20
>
> -----Original Message-----
> From: Norman Kwong [mailto:nkwong@xxxxxxxxxxxxxxx]
> Sent: Thursday, March 28, 2002 2:23 PM
> To: stds-802-3-hssg@xxxxxxxx
> Cc: Norman Kwong
> Subject: [802.3ae] Bad idea...not including FP laser in PMD
>
> Dear 802.3ae members
>
> I understand that this is an old topic, but I still =
> strongly believe that it is a bad idea not to include 1310 nm =
> Fabry-Perot (FP) lasers in the PMD. Let me re-cap some of the =
> advantages of FP lasers:
>
> 1. Low cost comparing to DFB lasers: high yield =
> single-growth wafer process, less sensitive to back reflection that =
> eliminates the need for isolator in package. (1.3 VCSEL yield/cost is =
> not clear now, therefore it is hard to compare.)=20
>
> 2. Edge emitting lasers (FP and DFB) are more mature =
> technology and have been deployed in market for many years. Both lasers =
> are available today through multiple vendors.=20
>
> 3. FP laser can handle at least 0 to 2km (some test even =
> indicate 7km is possible). And majority of the 10G Ethernet applications =
> fall into this range.=20
>
> 4. Some companies are shipping transceiver/transponder =
> products using 1310 FP lasers today, but unfortunately they are being =
> treated as non-802.3ae standard products.
>
> The current 1310 PMD specification has a 30 dB SMSR spec that =
> prohibits the use of FP lasers. I believe that it is to the best =
> interest of our industry to standardize a PMD based on 1310 nm FP =
> lasers. If there is a way to start a new project or modify the current =
> specifications to include FP lasers, I'll love to lead an effort on it.
>
>
>
> Norman Kwong
>
> CTO
>
> Archcom Technology
>
> Office: 626-969-0681 x121
>
>
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> <DIV><FONT face=3DArial size=3D2>Bob, Rich, Michael and =
> David,</FONT></DIV>
> <DIV><FONT face=3DArial size=3D2>Thank you for your comments and=20
> opinions. Having a set of PMD covering various distances is one =
> thing (I=20
> agree we have it), but having a "optimal cost" for applications is =
> another=20
> thing. I do not believe our current set of PMDs provide a =
> "Optimal=20
> Cost" choices for <2km SMF for customers to choose, namely FP laser =
> is not=20
> included. </FONT></DIV>
> <DIV><FONT face=3DArial size=3D2>Norman Kwong</FONT></DIV>
> <DIV><FONT face=3DArial size=3D2>Archcom Technology</FONT></DIV>
> <DIV><FONT face=3DArial size=3D2>626-969-0681 x121</FONT></DIV>
> <BLOCKQUOTE dir=3Dltr=20
> style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
> BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
> <DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
> <DIV=20
> style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
> black"><B>From:</B>=20
> <A title=3Ddavid@xxxxxxxx href=3D"mailto:david@xxxxxxxx";>David =
> Kabal</A> </DIV>
> <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A =
> title=3Drich.taborek@xxxxxxxxx=20
> href=3D"mailto:rich.taborek@xxxxxxxxx";>'Taborek, Rich'</A> ; <A=20
> title=3Dnkwong@xxxxxxxxxxxxxxx =
> href=3D"mailto:nkwong@xxxxxxxxxxxxxxx";>'Norman=20
> Kwong'</A> ; <A title=3Dbob.grow@xxxxxxxxx=20
> href=3D"mailto:bob.grow@xxxxxxxxx";>'Grow, Bob'</A> ; <A=20
> title=3Dstds-802-3-hssg@xxxxxxxx=20
> href=3D"mailto:stds-802-3-hssg@xxxxxxxx";>stds-802-3-hssg@xxxxxxxx</A> =
> </DIV>
> <DIV style=3D"FONT: 10pt arial"><B>Cc:</B> <A =
> title=3Dsswirhun@xxxxxxxxxxxxx=20
> href=3D"mailto:sswirhun@xxxxxxxxxxxxx";>Stan Swirhun</A> ; <A=20
> title=3DJack.Jewell@xxxxxxxxxxxxx =
> href=3D"mailto:Jack.Jewell@xxxxxxxxxxxxx";>Jack=20
> Jewell</A> </DIV>
> <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Monday, April 01, 2002 =
> 4:26=20
> PM</DIV>
> <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> RE: [802.3ae] Bad =
> idea...not=20
> including FP laser in PMD</DIV>
> <DIV><BR></DIV>
> <DIV class=3DSection1>
> <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
> Arial">Norman</SPAN></FONT><FONT=20
> face=3DArial color=3Dnavy size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
> Arial">:</SPAN></FONT></P>
> <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
> Arial"></SPAN></FONT> </P>
> <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">To echo =
> Rich and=20
> Bob=92s sentiment, it is clear that our current crop of PMDs addresses =
> all=20
> significant market spaces and our agreed objectives, and we have even =
> seen=20
> these spaces blurred by performance above and beyond the specification =
> for=20
> each PMD:</SPAN></FONT></P>
> <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
> Arial"></SPAN></FONT> </P>
> <UL type=3Ddisc>
> <LI class=3DMsoNormal style=3D"COLOR: navy"><FONT face=3DArial =
> color=3Dnavy=20
> size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
> Arial">Production 850 nm=20
> serial PMDs have been shown operating at 1 km over multimode fiber =
> (standard=20
> requires 65 m operation; see OFC announcements for this=20
> result)</SPAN></FONT>=20
> <LI class=3DMsoNormal style=3D"COLOR: navy"><FONT face=3DArial =
> color=3Dnavy=20
> size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
> Arial">Production 1310 nm=20
> serial PMDs have been shown operating at 40 km over single mode =
> fiber (see=20
> technical feasibility presentations for this result)</SPAN></FONT>=20
> <LI class=3DMsoNormal style=3D"COLOR: navy"><FONT face=3DArial =
> color=3Dnavy=20
> size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">CWDM =
> 1310 nm PMDs=20
> have operated as advertised, on 300 m of installed multimode fiber =
> (see=20
> technical feasibility presentations for this result)</SPAN></FONT>=20
> <LI class=3DMsoNormal style=3D"COLOR: navy"><FONT face=3DArial =
> color=3Dnavy=20
> size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
> Arial">Production 1550 nm=20
> serial PMDs are commonly deployed for distances of 100 km (and more) =
> over=20
> single mode fiber (see numerous product specs for this =
> result)</SPAN></FONT>=20
> </LI></UL>
> <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
> Arial"></SPAN></FONT> </P>
> <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">The PMD set =
> we picked=20
> was complete, and the PMDs are overlapping more than we could probably =
> have=20
> guessed in their performance. The use of an FP laser does not address =
> a new=20
> application space that we forgot about, it represents a technology =
> specific=20
> solution that is already covered.</SPAN></FONT></P>
> <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
> Arial"></SPAN></FONT> </P>
> <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
> Arial">Cheers,<BR>Dave</SPAN></FONT></P>
> <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
> Arial"></SPAN></FONT> </P>
> <DIV>
> <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
> Arial">------</SPAN></FONT></P>
> <P class=3DMsoNormal><B><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
>
> style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
> Arial">David=20
> Kabal</SPAN></FONT></B></P>
> <P class=3DMsoNormal><I><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
>
> style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-STYLE: italic; =
> FONT-FAMILY: Arial">Sr.=20
> Technology Planner</SPAN></FONT></I></P>
> <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
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> style=3D"FONT-SIZE: 8pt; COLOR: navy; FONT-FAMILY: Arial">e-mail: <A=20
> =
> href=3D"mailto:david.kabal@xxxxxxxxxxxxx";>david.kabal@xxxxxxxxxxxxx</A></=
> SPAN></FONT></P>
> <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D1><SPAN=20
> style=3D"FONT-SIZE: 8pt; COLOR: navy; FONT-FAMILY: =
> Arial">Main</SPAN></FONT><FONT=20
> face=3DArial color=3Dnavy size=3D1><SPAN=20
> style=3D"FONT-SIZE: 8pt; COLOR: navy; FONT-FAMILY: Arial">: =
> 303-530-3189=20
> x7498</SPAN></FONT></P>
> <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D1><SPAN=20
> style=3D"FONT-SIZE: 8pt; COLOR: navy; FONT-FAMILY: Arial">Direct:=20
> 303-527-7498</SPAN></FONT></P>
> <P class=3DMsoAutoSig><FONT face=3DArial color=3Dnavy size=3D1><SPAN=20
> style=3D"FONT-SIZE: 8pt; COLOR: navy; FONT-FAMILY: Arial">Fax:=20
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> <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
> Arial"></SPAN></FONT> </P>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3DTahoma =
> size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">-----Original=20
> Message-----<BR><B><SPAN style=3D"FONT-WEIGHT: bold">From:</SPAN></B>=20
> owner-stds-802-3-hssg@xxxxxxxxxxxxxxxxxx=20
> [mailto:owner-stds-802-3-hssg@xxxxxxxxxxxxxxxxxx] <B><SPAN=20
> style=3D"FONT-WEIGHT: bold">On Behalf Of </SPAN></B>Taborek, =
> Rich<BR><B><SPAN=20
> style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> </SPAN></FONT><FONT =
> face=3DTahoma=20
> size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">Friday, =
> March 29,=20
> 2002</SPAN></FONT><FONT face=3DTahoma size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> </SPAN></FONT><FONT =
> face=3DTahoma=20
> size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">6:47=20
> PM</SPAN></FONT><FONT face=3DTahoma size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"><BR><B><SPAN=20
> style=3D"FONT-WEIGHT: bold">To:</SPAN></B> Norman Kwong; Grow, Bob;=20
> stds-802-3-hssg@xxxxxxxx<BR><B><SPAN=20
> style=3D"FONT-WEIGHT: bold">Subject:</SPAN></B> RE: [802.3ae] Bad =
> idea...not=20
> including FP laser in PMD</SPAN></FONT></P>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3D"Times =
> New Roman"=20
> size=3D3><SPAN style=3D"FONT-SIZE: 12pt"></SPAN></FONT> </P>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3DArial =
> color=3Dblue=20
> size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
> Arial">Norman</SPAN></FONT><FONT=20
> face=3DArial color=3Dblue size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
> Arial">,</SPAN></FONT></P></DIV>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3D"Times =
> New Roman"=20
> size=3D3><SPAN style=3D"FONT-SIZE: =
> 12pt"></SPAN></FONT> </P></DIV>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3DArial =
> color=3Dblue=20
> size=3D2><SPAN style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
> Arial">I agree=20
> with Bob's response from a process perspective and would like to take =
> this=20
> opportunity to address the market issues which you raise.=20
> </SPAN></FONT></P></DIV>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3D"Times =
> New Roman"=20
> size=3D3><SPAN style=3D"FONT-SIZE: =
> 12pt"></SPAN></FONT> </P></DIV>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3DArial =
> color=3Dblue=20
> size=3D2><SPAN style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
> Arial">The IEEE=20
> P802.3ae draft standard currently provides multiple solutions for =
> short reach=20
> links. Depending on your definition of "short", either 850 nm VCSEL, =
> 1310 nm=20
> VCSEL, 1310 nm DFB or 1310 nm CWDM solutions adequately cover all =
> customer=20
> distance and fiber type requirements with significant overlap. I'm =
> unaware of=20
> any significant change since this decision, but I have seen a huge =
> discounting=20
> of highly integrated 10G optical module solutions relative to the =
> timeframe of=20
> the decision. Looking into the future, vendors are already addressing =
> short=20
> reach links with more compact optical module solutions which will =
> adequately=20
> and economically meet customer requirements. I beg to differ with you =
> on your=20
> statement that: "Customers don't care how many PMDs". This is not what =
> I've=20
> heard from any system supplier at IEEE 802.3ae Task Force=20
> meetings.</SPAN></FONT></P></DIV>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3D"Times =
> New Roman"=20
> size=3D3><SPAN style=3D"FONT-SIZE: =
> 12pt"></SPAN></FONT> </P></DIV>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3DArial =
> color=3Dblue=20
> size=3D2><SPAN style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
> Arial">Lastly,=20
> I don't perceive that anything is "broken" with the current =
> specification (of=20
> PMDs). This is usually the impetus for change. In my view, the PMDs =
> specified=20
> in IEEE P802.3ae adequately and economically allow customers to deploy =
> 10GbE=20
> equipment.</SPAN></FONT></P></DIV>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3D"Times =
> New Roman"=20
> size=3D3><SPAN style=3D"FONT-SIZE: =
> 12pt"></SPAN></FONT> </P></DIV>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3DArial =
> color=3Dblue=20
> size=3D2><SPAN style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
> Arial">If you=20
> believe that you have enough support for a Call for Interest for a =
> 10GbE 1310=20
> nm FP PMD, the call must be initiated through IEEE 802.3, not=20
> 802.3ae.</SPAN></FONT></P></DIV>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3D"Times =
> New Roman"=20
> size=3D2><SPAN style=3D"FONT-SIZE: 10pt"><BR>Best=20
> =
> Regards,<BR>Rich<BR>  =
> ; =
> &=
> nbsp; <BR>----------------------------------------------=
> -----------<BR>Richard=20
> Taborek=20
> =
> Sr. &nbs=
> p; =20
> Intel Corporation<BR>XAUI=20
> =
> Sherpa &=
> nbsp; =20
> Intel Communications Group<BR></SPAN></FONT><FONT size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt">3101 Jay Street, Suite =
> 110</SPAN></FONT><FONT=20
> size=3D2><SPAN style=3D"FONT-SIZE: 10pt"> Optical =
> Strategic=20
> Marketing<BR></SPAN></FONT><FONT size=3D2><SPAN style=3D"FONT-SIZE: =
> 10pt">Santa=20
> Clara</SPAN></FONT><FONT size=3D2><SPAN style=3D"FONT-SIZE: 10pt">,=20
> </SPAN></FONT><FONT size=3D2><SPAN style=3D"FONT-SIZE: =
> 10pt">CA</SPAN></FONT><FONT=20
> size=3D2><SPAN style=3D"FONT-SIZE: 10pt"> </SPAN></FONT><FONT =
> size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt">95054</SPAN></FONT><FONT size=3D2><SPAN=20
> style=3D"FONT-SIZE: =
> 10pt"> =20
> </SPAN></FONT><FONT size=3D2><SPAN style=3D"FONT-SIZE: 10pt">Santa=20
> Clara</SPAN></FONT><FONT size=3D2><SPAN style=3D"FONT-SIZE: 10pt">=20
> </SPAN></FONT><FONT size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt">Design</SPAN></FONT><FONT size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt"> </SPAN></FONT><FONT size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt">Center</SPAN></FONT><FONT size=3D2><SPAN=20
> style=3D"FONT-SIZE: =
> 10pt"><BR>408-496-3423 &nb=
> sp; &nbs=
> p;  =
> ; =20
> JAY1-101<BR>Cell:=20
> 408-832-3957 <A=20
> =
> href=3D"mailto:rich.taborek@xxxxxxxxx";>mailto:rich.taborek@xxxxxxxxx</A><=
> BR>Fax:=20
> =
> 408-486-9783 &=
> nbsp; =20
> <A href=3D"http://www.intel.com/"=20
> target=3D_blank>http://www.intel.com</A></SPAN></FONT> </P></DIV>
> <BLOCKQUOTE=20
> style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: =
> medium none; PADDING-LEFT: 4pt; PADDING-BOTTOM: 0in; MARGIN: 5pt 0in 5pt =
> 3.75pt; BORDER-LEFT: blue 1.5pt solid; PADDING-TOP: 0in; BORDER-BOTTOM: =
> medium none">
> <P class=3DMsoNormal=20
> style=3D"MARGIN-BOTTOM: 12pt; MARGIN-LEFT: 0.5in; MARGIN-RIGHT: =
> 0in"><FONT=20
> face=3DTahoma size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">-----Original=20
> Message-----<BR><B><SPAN style=3D"FONT-WEIGHT: =
> bold">From:</SPAN></B> Norman=20
> Kwong [mailto:nkwong@xxxxxxxxxxxxxxx]<BR><B><SPAN=20
> style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> </SPAN></FONT><FONT =
> face=3DTahoma=20
> size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
> Tahoma">Friday, March 29,=20
> 2002</SPAN></FONT><FONT face=3DTahoma size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> </SPAN></FONT><FONT=20
> face=3DTahoma size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
> Tahoma">11:27=20
> AM</SPAN></FONT><FONT face=3DTahoma size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"><BR><B><SPAN=20
> style=3D"FONT-WEIGHT: bold">To:</SPAN></B> Grow, Bob;=20
> stds-802-3-hssg@xxxxxxxx<BR><B><SPAN=20
> style=3D"FONT-WEIGHT: bold">Subject:</SPAN></B> Re: [802.3ae] Bad =
> idea...not=20
> including FP laser in PMD</SPAN></FONT></P>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3DArial =
> size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
> Arial">Bob,</SPAN></FONT></P></DIV>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3DArial =
> size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">Thanks for your quick=20
> response. If it is a right thing to do, it never be too =
> late. =20
> Imagine if majority of the short reach link deployed in next =
> few years=20
> are using FP lasers and it is not covered by the standard, it will =
> go down=20
> to the history book that the committee did not do a good job of =
> serving the=20
> industry. Since the committee discussed and make the decision =
> a long=20
> time ago, many things have been changed. Many technologies promised =
> to=20
> deliver low cost products have not done it yet for variety of =
> reasons. =20
> FP lasers has been available and always be available to =
> serve the=20
> industry. There are concern of too many PMDs in the standard, =
> the keys=20
> is how many PMD are low cost and can deliver in volume. =
> Customers=20
> don't care how many PMDs, all they care is how they can get parts =
> that can=20
> do the job, cheap and reliable. I'd urge the=20
> committee should initiate a call for interest for this =
> topic. =20
> Thanks</SPAN></FONT></P></DIV>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3DArial =
> size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">Norman=20
> Kwong</SPAN></FONT></P></DIV>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3DArial =
> size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
> Arial">CTO</SPAN></FONT></P></DIV>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3DArial =
> size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">Archcom=20
> Technology</SPAN></FONT></P></DIV>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3DArial =
> size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">Office: 626-969-0681=20
> x121</SPAN></FONT></P></DIV>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3DArial =
> size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">1335 =
> </SPAN></FONT><FONT=20
> face=3DArial size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
> Arial">W.=20
> Foothill Blvd.</SPAN></FONT></P></DIV>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3DArial =
> size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
> Arial">Azusa</SPAN></FONT><FONT=20
> face=3DArial size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
> Arial">,=20
> </SPAN></FONT><FONT face=3DArial size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">CA</SPAN></FONT><FONT =
> face=3DArial=20
> size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">=20
> </SPAN></FONT><FONT face=3DArial size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
> Arial">91702</SPAN></FONT></P></DIV>
> <BLOCKQUOTE=20
> style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: =
> medium none; PADDING-LEFT: 4pt; PADDING-BOTTOM: 0in; MARGIN: 5pt 0in 5pt =
> 3.75pt; BORDER-LEFT: black 1.5pt solid; PADDING-TOP: 0in; BORDER-BOTTOM: =
>
> medium none">
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT =
> face=3DArial=20
> size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">----- =
> Original=20
> Message ----- </SPAN></FONT></P></DIV>
> <DIV style=3D"font-color: black">
> <P class=3DMsoNormal=20
> style=3D"BACKGROUND: #e4e4e4; MARGIN-LEFT: 0.5in"><B><FONT =
> face=3DArial=20
> size=3D2><SPAN=20
> style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: =
> Arial">From:</SPAN></FONT></B><FONT=20
> face=3DArial size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
> Arial"> <A=20
> title=3Dbob.grow@xxxxxxxxx =
> href=3D"mailto:bob.grow@xxxxxxxxx";>Grow, Bob</A>=20
> </SPAN></FONT></P></DIV>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><B><FONT =
> face=3DArial=20
> size=3D2><SPAN=20
> style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: =
> Arial">To:</SPAN></FONT></B><FONT=20
> face=3DArial size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
> Arial"> <A=20
> title=3Dnkwong@xxxxxxxxxxxxxxx =
> href=3D"mailto:nkwong@xxxxxxxxxxxxxxx";>'Norman=20
> Kwong'</A> ; <A title=3Dstds-802-3-hssg@xxxxxxxx=20
> =
> href=3D"mailto:stds-802-3-hssg@xxxxxxxx";>stds-802-3-hssg@xxxxxxxx</A>=20
> </SPAN></FONT></P></DIV>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><B><FONT =
> face=3DArial=20
> size=3D2><SPAN=20
> style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: =
> Arial">Sent:</SPAN></FONT></B><FONT=20
> face=3DArial size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
> Arial">=20
> </SPAN></FONT><FONT face=3DArial size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">Thursday, March 28,=20
> 2002</SPAN></FONT><FONT face=3DArial size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial"> </SPAN></FONT><FONT =
>
> face=3DArial size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
> Arial">4:58=20
> PM</SPAN></FONT></P></DIV>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><B><FONT =
> face=3DArial=20
> size=3D2><SPAN=20
> style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: =
> Arial">Subject:</SPAN></FONT></B><FONT=20
> face=3DArial size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
> Arial"> RE:=20
> [802.3ae] Bad idea...not including FP laser in =
> PMD</SPAN></FONT></P></DIV>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT =
> face=3D"Times New Roman"=20
> size=3D3><SPAN style=3D"FONT-SIZE: =
> 12pt"></SPAN></FONT> </P></DIV>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT =
> face=3DArial color=3Dblue=20
> size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
> Arial">Norman</SPAN></FONT><FONT=20
> face=3DArial color=3Dblue size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
> Arial">:</SPAN></FONT></P></DIV>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT =
> face=3D"Times New Roman"=20
> size=3D3><SPAN style=3D"FONT-SIZE: =
> 12pt"></SPAN></FONT> </P></DIV>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT =
> face=3DArial color=3Dblue=20
> size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
> Arial">It is too=20
> late to add major functionality you describe to the 802.3ae =
> project. =20
> As you point out, the committee discussed the topic and made its =
> decision=20
> a long time ago. The P802.3ae draft has completed Working =
> Group and=20
> is in the final stages of Sponsor ballot. The addition you =
> propose=20
> is outside the scope of the current Sponsor recirculation ballot =
> and=20
> therefore should not be considered by the P802.3ae Task=20
> Force.</SPAN></FONT></P></DIV>
> <DIV>
> <P style=3D"MARGIN-LEFT: 0.5in"><FONT face=3DArial color=3Dblue =
> size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Bob=20
> Grow <BR>Chair, IEEE 802.3 Working =
> Group</SPAN></FONT></P>
> <P style=3D"MARGIN-LEFT: 0.5in"><FONT face=3DArial color=3Dblue =
> size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">Intel, =
> EC2-101=20
> <BR></SPAN></FONT><FONT face=3DArial color=3Dblue size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">13290 =
> Evening=20
> Creek Drive</SPAN></FONT><FONT face=3DArial color=3Dblue =
> size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">=20
> <BR></SPAN></FONT><FONT face=3DArial color=3Dblue size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">San=20
> Diego</SPAN></FONT><FONT face=3DArial color=3Dblue size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">,=20
> </SPAN></FONT><FONT face=3DArial color=3Dblue size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
> Arial">CA</SPAN></FONT><FONT=20
> face=3DArial color=3Dblue size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial"> =20
> </SPAN></FONT><FONT face=3DArial color=3Dblue size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
> Arial">92128</SPAN></FONT><FONT=20
> face=3DArial color=3Dblue size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">=20
> </SPAN></FONT></P>
> <P style=3D"MARGIN-LEFT: 0.5in"><FONT face=3DArial color=3Dblue =
> size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">phone:=20
> 858-391-4622 <BR>mobile: 858-705-1829 <BR>fax: =
> 858-391-4580=20
> </SPAN></FONT></P></DIV>
> <BLOCKQUOTE=20
> style=3D"MARGIN-TOP: 5pt; MARGIN-BOTTOM: 5pt; MARGIN-RIGHT: 0in">
> <P class=3DMsoNormal=20
> style=3D"MARGIN-BOTTOM: 12pt; MARGIN-LEFT: 0.5in; MARGIN-RIGHT: =
> 0in"><FONT=20
> face=3DTahoma size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">-----Original=20
> Message-----<BR><B><SPAN style=3D"FONT-WEIGHT: =
> bold">From:</SPAN></B>=20
> Norman Kwong [mailto:nkwong@xxxxxxxxxxxxxxx]<BR><B><SPAN=20
> style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> </SPAN></FONT><FONT =
>
> face=3DTahoma size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">Thursday, March =
> 28,=20
> 2002</SPAN></FONT><FONT face=3DTahoma size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> =
> </SPAN></FONT><FONT=20
> face=3DTahoma size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">2:23 =
> PM</SPAN></FONT><FONT=20
> face=3DTahoma size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"><BR><B><SPAN=20
> style=3D"FONT-WEIGHT: bold">To:</SPAN></B>=20
> stds-802-3-hssg@xxxxxxxx<BR><B><SPAN=20
> style=3D"FONT-WEIGHT: bold">Cc:</SPAN></B> Norman =
> Kwong<BR><B><SPAN=20
> style=3D"FONT-WEIGHT: bold">Subject:</SPAN></B> [802.3ae] Bad =
> idea...not=20
> including FP laser in PMD</SPAN></FONT></P>
> <DIV>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT=20
> face=3D"Times New Roman" size=3D3><SPAN style=3D"FONT-SIZE: =
> 12pt">Dear 802.3ae=20
> members</SPAN></FONT></P>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT=20
> face=3D"Times New Roman" size=3D3><SPAN=20
> style=3D"FONT-SIZE: 12pt"> I =
> understand that=20
> this is an old topic, but I still strongly believe that it is a =
> bad idea=20
> not to include 1310 nm Fabry-Perot (FP) lasers in the PMD. =
> Let me=20
> re-cap some of the advantages of FP lasers:</SPAN></FONT></P>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 1in; TEXT-INDENT: =
> -0.25in"><FONT=20
> face=3DArial size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">1.<FONT=20
> face=3D"Times New Roman" size=3D1><SPAN=20
> style=3D"FONT: 7pt 'Times New =
> Roman'"> =20
> </SPAN></FONT></SPAN></FONT><FONT face=3DArial><SPAN=20
> style=3D"FONT-FAMILY: Arial">Low cost comparing to DFB lasers: =
> high yield=20
> single-growth wafer process, less sensitive to back reflection =
> that=20
> eliminates the need for isolator in package. (1.3 VCSEL =
> yield/cost=20
> is not clear now, therefore it is hard to =
> compare.)</SPAN></FONT><FONT=20
> face=3DArial size=3D2><SPAN style=3D"FONT-SIZE: 10pt; =
> FONT-FAMILY: Arial">=20
> </SPAN></FONT></P>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 1in; TEXT-INDENT: =
> -0.25in"><FONT=20
> face=3DArial size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">2.<FONT=20
> face=3D"Times New Roman" size=3D1><SPAN=20
> style=3D"FONT: 7pt 'Times New =
> Roman'"> =20
> </SPAN></FONT></SPAN></FONT><FONT face=3DArial><SPAN=20
> style=3D"FONT-FAMILY: Arial">Edge emitting lasers (FP and DFB) =
> are more=20
> mature technology and have been deployed in market for many =
> years. =20
> Both lasers are available today through multiple=20
> vendors.</SPAN></FONT><FONT face=3DArial size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial"> =
> </SPAN></FONT></P>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 1in; TEXT-INDENT: =
> -0.25in"><FONT=20
> face=3DArial size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">3.<FONT=20
> face=3D"Times New Roman" size=3D1><SPAN=20
> style=3D"FONT: 7pt 'Times New =
> Roman'"> =20
> </SPAN></FONT></SPAN></FONT><FONT face=3DArial><SPAN=20
> style=3D"FONT-FAMILY: Arial">FP laser can handle at least 0 to =
> 2km (some=20
> test even indicate 7km is possible). And majority of the 10G =
> Ethernet=20
> applications fall into this range.</SPAN></FONT><FONT =
> face=3DArial=20
> size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">=20
> </SPAN></FONT></P>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 1in; TEXT-INDENT: =
> -0.25in"><FONT=20
> face=3DArial size=3D2><SPAN=20
> style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">4.<FONT=20
> face=3D"Times New Roman" size=3D1><SPAN=20
> style=3D"FONT: 7pt 'Times New =
> Roman'"> =20
> </SPAN></FONT></SPAN></FONT><FONT face=3DArial><SPAN=20
> style=3D"FONT-FAMILY: Arial">Some companies are shipping=20
> transceiver/transponder products using 1310 FP lasers today, but =
>
> unfortunately they are being treated as non-802.3ae standard=20
> products.</SPAN></FONT></P>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT=20
> face=3D"Times New Roman" size=3D3><SPAN style=3D"FONT-SIZE: =
> 12pt">The current=20
> 1310 PMD specification has a 30 dB SMSR spec that prohibits the =
> use of=20
> FP lasers. I believe that it is to the best interest of =
> our=20
> industry to standardize a PMD based on 1310 nm FP lasers. =
> If there=20
> is a way to start a new project or modify the current =
> specifications to=20
> include FP lasers, I'll love to lead an effort on =
> it.</SPAN></FONT></P>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT=20
> face=3D"Times New Roman" size=3D3><SPAN=20
> style=3D"FONT-SIZE: 12pt"></SPAN></FONT> </P>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT=20
> face=3D"Times New Roman" size=3D3><SPAN style=3D"FONT-SIZE: =
> 12pt">Norman=20
> Kwong</SPAN></FONT></P>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT=20
> face=3D"Times New Roman" size=3D3><SPAN=20
> style=3D"FONT-SIZE: 12pt">CTO</SPAN></FONT></P>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT=20
> face=3D"Times New Roman" size=3D3><SPAN style=3D"FONT-SIZE: =
> 12pt">Archcom=20
> Technology</SPAN></FONT></P>
> <P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT=20
> face=3D"Times New Roman" size=3D3><SPAN style=3D"FONT-SIZE: =
> 12pt">Office:=20
> 626-969-0681=20
> =
> x121</SPAN></FONT></P></DIV></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE></DIV>=
> </BLOCKQUOTE></BODY></HTML>
>
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