http://4wdm-msa.org/

July 28, 2017 4WDM-40 Release 1.0

  CWDM4 4WDM-10 4WDM-20 4WDM-40 LR4 ER4
  2Km 10Km 20Km 40Km 10km 40km
budget(dB) 8.0 9.5 13.0 21.0 8.5 21.5
launch power min(dBm) -4.0 -6.5 -4.3 -2.5 -1.3 -0.1
receive power min(dBm) -11.5 -13.0 -14.5 -20.5 -8.6 -21.5
   
1295.56 nm
1300.05 nm
1304.58 nm
1309.14 nm
 
FEC     RS-FEC   no FEC 30Km
LD DFB DFB EML EML DFB EML
pre-amp       APD   SOA

 

LR4と4WDMの違いはFEC?

RS-FEC(528,514)

SUMITOMO 100G ER4 CFP用SOAの解説文2.5W, max 22db gain

http://global-sei.com/technology/tr/bn78/pdf/78-11.pdf

https://www.ntt-electronics.com/new/information/2014/3/100g-apd-rosa.html

富士通100G ER4 QSFP28トランシーバー、APD

http://www.fujitsu.com/jp/group/foc/resources/news/press-releases/2017/20170313.html

 


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