1 May 2014 Fully CMOS compatible photonics integrated on silicon substrates
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Photonic integrated circuits on silicon substrates are fully compatible with CMOS processes. The measurements show that light coupling with insertion loss of ~2 dB between grating waveguides and optical fibers, 60 Gbps optical modulation with Vpp of less than 4 V, and 4-port optical switches with cross-talk of < -12 dB and extinction ratio of > 15 dB. Another work shows that a depletion mode PN junction can be operated as a 40 Gbps photodetector under a special reverse bias of 7 - 8 V.
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Zhiyong Li, Zhiyong Li, Hao Xu, Hao Xu, Xi Xiao, Xi Xiao, Anastasia Nemkova, Anastasia Nemkova, Yude Yu, Yude Yu, Jinzhong Yu, Jinzhong Yu, "Fully CMOS compatible photonics integrated on silicon substrates", Proc. SPIE 9133, Silicon Photonics and Photonic Integrated Circuits IV, 91330E (1 May 2014); doi: 10.1117/12.2052306; https://doi.org/10.1117/12.2052306


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