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Bragg grating-assisted WDM filter for integrated optical triplexer transceivers

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10 Author(s)
Jeong Hwan Song ; Telecommun. R&D Center, Samsung Electron. Co. Ltd., Gyeonggi-Do, South Korea ; Jong Hoon Lim ; Ryun Kyung Kim ; Kyung Shik Lee
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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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IEEE Photonics Technology Letters  (Volume:17 ,  Issue: 12 )