On-chip reconfigurable optical add-drop multiplexer for hybrid wavelength/mode-division-multiplexing systems
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AbstractA silicon-based on-chip reconfigurable optical add-drop multiplexer (ROADM) is presented for hybrid wavelength-division-multiplexing–mode-division-multiplexing systems. The present ROADM consists of a four-channel mode demultiplexer, four wavelength-selective thermo-optic switches based on microring resonators, and a four-channel mode multiplexer. With the present ROADM, one can add/drop one of wavelength channels of any mode to/from the multimode bus waveguide successfully with an excess loss of 2–5 dB and an extinction ratio of ∼20  dB∼20  dB over a wavelength range of 1525–1555 nm.
All Author(s) ListShipeng Wang, Xianglian Feng, Shiming Gao, Yaocheng Shi, Tingge Dai, Hui Yu, Hon-Ki Tsang, Daoxin Dai
Journal nameOptics Letters
Volume Number42
Issue Number14
PublisherOptical Society of America
Pages2802 - 2805
LanguagesEnglish-United States
Keywordsmode division multiplexing

Last updated on 2020-16-10 at 03:33