A Transponder Aggregator with Efficient Use of Filtering Function for Transponder Noise Suppression

no code implementations • 21 Sep 2022 • Kenya Suzuki, Osamu Moriwaki, Koichi Hadama, Keita Yamaguchi, Hiroki Taniguchi, Yoshiaki Kisaka, Daisuke Ogawa, Makoto Takeshita, Stefano Camatel, Yiran Ma, Mitsunori Fukutoku

The operation in C+L bands requires switch devices used in CDC-ROADM to also be capable of multiband operation.

First demonstration of C + L band CDCROADM with simple node configuration using multiband switching devices

no code implementations • 4 Jun 2021 • Shuto Yamamoto, Hiroki Taniguchi, Yoshiaki Kisaka, Stefano Camatel, Yiran Ma, Daisuke Ogawa, Koichi Hadama, Mitsunori Fukutoku, Takashi Goh, Kenya Suzuki

While ultrahigh-baud-rate optical signals are effective for extending the transmission distance of large capacity signals, they also reduce the number of wavelengths that can be arranged in a band because of their wider bandwidth.