Precise Sub-carrier Frequency Monitor and Control Method for Superchannel Transmission in Cascaded ROADM Network

Conference: ECOC 2016 - 42nd European Conference on Optical Communication
09/18/2016 - 09/22/2016 at Düsseldorf, Deutschland

Proceedings: ECOC 2016

Pages: 3Language: englishTyp: PDF

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Huang, Guoxiu; Oda, Shoichiro; Yamauchi, Tomohiro; Yoshida, Setsuo; Aoki, Yasuhiko (Fujitsu Limited, Japan)
Zhao, Ying; Li, Huihui; Tao, Zhenning (Fujitsu R&D Center, Beijing 100027, China)
Rasmussen, Jens C. (Fujitsu Laboratories Ltd., Kawasaki, 211-8588, Japan)

We proposed precise sub-carrier frequency monitor and control method to eliminate laser frequency uncertainness in super-channel transmission. Based on digital signal processing without additional hardware, the relative frequency accuracy reached 10 times higher than ITLA specification.