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Full coverage multichannel wavelength monitoring circuit using centre-offset phased-array waveguide grating

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5 Author(s)
H. Li ; Dept. of Comput. Sci. & Electr. Eng., Maryland Univ., Baltimore, MD ; S. Zhong ; X. Yang ; Y. J. Chen
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An integrated multichannel optical wavelength monitoring circuit for wavelength division multiplexing communication systems is presented. Full wavelength coverage of the working range without any blind spot is realised by a centre-offset phased-array waveguide grating design. The monitor exhibits a wavelength resolution of 0.02 nm/dB (200 GHz channel spacing)

Published in:

Electronics Letters  (Volume:34 ,  Issue: 22 )