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Re: [8023-10GEPON] power budget ad hoc teleconference



Dear Robert,

This is Tsutomu Tatsuta from NTT.
In NTT (maybe in Japan), ONU is settled in customer's premises/house.
So, all of ONU is indoor type.

Sincerely yours,
Tsutomu TATSUTA


At 13:17 07/04/10, Lingle, Jr, Robert (Robert) wrote:
 >When I consider the question of developing higher power DMLs at 1300nm, one
 >question that comes to mind is what are the temperature requirements for the
 >ONU?  Can we assume indoor ONU? If not, what temperature extremes are
 >appropriate?
 >
 >-----Original Message-----
 >From: Lingle, Jr, Robert (Robert) [mailto:rlingle@OFSOPTICS.COM]
 >Sent: Tuesday, April 10, 2007 12:09 AM
 >To: STDS-802-3-10GEPON@listserv.ieee.org
 >Subject: Re: [8023-10GEPON] power budget ad hoc teleconference
 >
 >
 >All,
 >
 >The next call(s) will occur on Tuesday April 10 at 7PM EST and Wednesday
 >April 11 at 9AM EST.
 >
 >(Because of the US time change in March, I believe that 7PM EST Tuesday is
 >now 8AM Japan time on Wednesday.)
 >
 >Toll-free in US        866-263-8899
 >Outside US     816-249-6061
 >Conf. Code     7707985015
 >
 >The following Orlando presentations, among others, may be relevant to the
 >discussions:
 >
 >3av_0703_effenberger_1
 >3av_0703_takizawa_1
 >3av_0703_jiang_1
 >3av_0703_stefanov_2
 >
 >In the call, I would like to address the following items. Please address
 >them on the Reflector prior to the call.
 >
 >1. Much attention has been focused on the class B++ CH IL case.  The only
 >proposed power budgets for PX10 and PX20 are those in
 >3av_0703_effenberger_1, slides 6 and 7. Are Frank's numbers for PX10 and
 >PX20 met with components available today? Or would these also require
 >development as in the case of B++? Does anyone recommend any changes to
 >these? If not, should we plan to adopt them at the May meeting?
 >
 >2. In analyzing the power budgets from effenberger and takizawa for class
 >B++, it seems clear (at least to me) that the following components must be
 >developed to meet the power budgets:
 >
 >-- US 1300nm requires the development of a NEW DML, perhaps cooled, that can
 >output 3-4 dBm minimum at 1300nm, compared to a more typical 0 to 1 dBm at
 >present.
 >-- DS w/ APD requires a NEW EML with +3 dBm minimum output power, compared
 >to a -1 to 0 dBm typical minimum output power at present.
 >-- DS w/ PIN can be done with existing EML+EDFA; it MIGHT be done with
 >existing SOA with Psat(1dB)=10dBm, but might require development of an SOA
 >with higher Psat(1dB)=12 dBm.
 >
 >Robert
 >
 >-----Original Message-----
 >From: Lingle, Jr, Robert (Robert) [mailto:rlingle@OFSOPTICS.COM]
 >Sent: Tuesday, April 03, 2007 10:07 AM
 >To: STDS-802-3-10GEPON@listserv.ieee.org
 >Subject: [8023-10GEPON] power budget ad hoc teleconference
 >
 >
 >All,
 >
 >The next Power Budget Ad Hoc teleconference will occur on Tuesday April 10
 >at 7PM EST and Wednesday April 1 tentatively at 9AM EST.  I may have to
 >travel Wednesday and ask your flexibility if I need to push this time to
 >8:30AM or 9:30AM to accomodate.
 >
 >The topics will be a review of power budgets presented at the March Plenary
 >by Frank Effenberger and Wenbin Jiang, as well as implications of the
 >presentation by Stefanov on SOA output power issues.
 >
 >More details will follow.
 >
 >Robert
 >
 >Robert Lingle, Jr.
 >Fiber Design and Transmission Simulation
 >OFS Corporate R&D, Atlanta
 >404-886-3581 (cell)
 >770-798-5015 (office)

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