Hi everyone,
I am sorry that I could
not attend the previous teleconference, but I would like to know why below
solutions are not including in this table.
|
Objective
|
l
|
# Lanes
|
~Lane Rate (Gb/s)
|
Source
|
Mux
|
Grid
|
|
10km SMF
|
1310 nm
|
5
|
20
|
Cooled DML
|
CWDM
|
20 nm G.694.2
|
|
|
1310 nm
|
5
|
20
|
Cooled DML
|
DWDM
|
200 GHz G.694.1
|
|
|
1550 nm
|
5
|
20
|
Cooled EML
|
DWDM
|
200 GHz G.694.1
|
I suppose that cooled DML
is easier way to achieve 20Gb/s operation than un-cooled DML.
Also, cooled DML thermo
electronic cooler power dissipation may be lower than cooled EML because of lower
power dissipation of laser chip itself.
10km with 1550nm DML may
be challenging, but it could be possible. Regarding our experimental result,
1550nm DML can achieve 10.3Gb/s 40km SMF transmission with less than 1dB
penalty. If only fiber dispersion is the limitation of 20Gb/s distance, 1550nm
DML could achieve 20Gb/s 10km SMF transmission.
1550nm solution would be
better to realize future upgradeability. That is my thought.
Thank you,
Eddie
Eddie Tsumura
Vice president of
Engineering and Marketing
Excelight
Communications (A Sumitomo Electric Company)
4021 Stirrup Creek Drive
Suite 200
Durham, NC 27703
Phone 919-361-1634
Fax 919-361-1619
etsumura@excelight.com
From:
Matt Traverso [mailto:matt.traverso@GMAIL.COM]
Sent: Tuesday, December 12, 2006
12:12 PM
To: STDS-802-3-HSSG@listserv.ieee.org
Subject: Re: [HSSG]
<HSSG-FO> Fiber Optic Ad Hoc Teleconference 12/18/2006 - Table Correction
Hi Dan,
Sorry that I could not attend the call, but I would like to point out that the
4 channel option for 10km could also adopt an ITU wavelength grid and is not
necessarily tied to the 25nm spacing of the LX4 grid. I apologize if this
point was already debated and rejected . I made the addition below in
red.
Thanks
--matt traverso
(e) mtraverso@opnext.com
NOTE: This e-mail is sent from my personal account to circumvent an automated
message from the Opnext IT department which would be considered an
"unfriendly" comment.
|
Objective
|
l
|
# Lanes
|
~Lane Rate (Gb/s)
|
Source
|
Mux
|
Grid
|
|
10km SMF
|
1550 nm
|
10
|
10
|
Cooled EML
|
DWDM
|
200 GHz G.694.1
|
|
|
1550 nm
|
10
|
10
|
Un-cooled DML
|
CWDM
|
20 nm G.694.2
|
|
|
1310 nm
|
5
|
20
|
Cooled EML
|
DWDM
|
200 GHz G.694.1
|
|
|
1310 nm
|
5
|
20
|
Un-cooled DML/EML
|
CWDM
|
20 nm G.694.2
|
|
|
1310 nm
|
4
|
25
|
Un-cooled DML/EML
|
CWDM
|
25 nm 802.3 LX-4 or 20 nm G.694.2
|
|
|
1310 nm
|
2
|
50
|
DQPSK
|
Single l
|
n/a
|
|
Objective
|
l
|
# Lanes
|
~Lane Rate (Gb/s)
|
Source
|
Cable
|
Mux
|
|
100m MMF OM3
|
850 nm
|
12 (8B/10B)
|
10
|
VCSEL
|
MPO ribbon (12 x 2)
|
12xSDM
|
|
|
850 nm
|
10 (64/66)
|
10
|
VCSEL
|
MPO ribbon (12 x 2)
|
10xSDM
|
|
|
840/860 nm
|
10 (64/66)
|
10
|
VCSEL
|
MPO ribbon (12 x 1 )
|
2xWDM and 5xSDM
|
|
|
840/860 nm
|
12 (8B/10B)
|
10
|
VCSEL
|
MPO ribbon (12 x 1 )
|
2xWDM and 6xSDM
|
|
|
835/850/865 nm
|
12 (8B/10B)
|
10
|
VCSEL
|
MPO ribbon (12 x 1 )
|
3xWDM and 4xSDM
|
On 12/12/06, Dove, Dan <dan.dove@hp.com>
wrote:
>
>
> Hi Pete,
>
> Thanks for pointing that out. I have updated the table and placed it on
the
> website at the following URL.
>
> http://www.ieee802.org/3/hssg/public/foah/docs.html
>
> Regards,
>
> Dan Dove
> HSSG FOAH Chair