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Eight-Channel Optical Add-Drop Multiplexer With Cascaded Parent-Sub Microring Resonators

2015; Institute of Electrical and Electronics Engineers; Volume: 7; Issue: 4 Linguagem: Inglês

10.1109/jphot.2015.2464103

1943-0655

Xian Xiao, Xiangdong Li, Xue Feng, Kaiyu Cui, Fang Liu, Yidong Huang,

Advanced Photonic Communication Systems

An eight-channel integrated optical add-drop multiplexer with cascaded parentsub microring resonators is experimentally demonstrated on a silicon-on-insulator (SOI) substrate.Through thermal tuning, each channel can be independently switched between the adding and dropping states.The measured thermal tuning efficiency is 0.15 nm/mW.Typically, all eight channels can be multiplexed and demultiplexed with a 2.6-dB drop loss, a 0.36-nm bandwidth (> 40 GHz), and a À20-dB channel crosstalk.Moreover, the scheme to increase the number of operating channels is also discussed.