Bragg grating-assisted WDM filter for integrated optical triplexer transceivers

Authors:
  • JLJong Hoon Lim
    Jong Hoon Lim
  • RKRyun Kyung Kim
    Ryun Kyung Kim
  • KLKyung Shik Lee
    Kyung Shik Lee
  • KKKyoung-Youm Kim
    Kyoung-Youm Kim
  • JCJaegeol Cho
    Jaegeol Cho
  • DHDongkyoon Han
    Dongkyoon Han
  • SJSuntae Jung
    Suntae Jung
  • YOYunkyung Oh
    Yunkyung Oh
  • DJDong-Hoon Jang
    Dong-Hoon Jang

Abstract
We designed and experimentally demonstrated a Bragg grating-assisted wavelength-division-multiplexing filter for the three-wavelength multiplexing on a planar-lightwave-circuit platform. The 1310- and 1550-nm lights were designed to be separated after passing the directional coupler by a half-cycle and a full-cycle coupling actions with losses of 0.07 and 0.19 dB, respectively. The 1492-nm light was reflected back by a Bragg grating fabricated on the directional coupler and its loss was less than 2.0 dB. We also introduced and discussed the new concept of an integrated optical triplexer transceiver using this filter.

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