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Compact broadband photonic crystal filters with reduced back-reflections for monolithic InP-based photonic integrated circuits

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5 Author(s)
M. Davanco ; Dept. of Electr. & Comput. Eng., Univ. of California, Santa Barbara, CA, USA ; Aimin Xing ; J. W. Raring ; E. L. Hu
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A photonic crystal grating filter with an extremely wide rejection band and reduced modal back-reflections is proposed and demonstrated with a stopband extinction of 20 dB and insertion loss of less than 5 dB. The reflection-mitigation technique is shown to provide 10-15-dB reduction in reflected power. Guidelines for performance improvement are presented

Published in:

IEEE Photonics Technology Letters  (Volume:18 ,  Issue: 10 )