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A polarization-independent distributed Bragg reflector based on phase-shifted grating structures

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3 Author(s)
Wei-Ping Huang ; Dept. of Electr. & Comput. Eng., Waterloo Univ., Ont., Canada ; Qing Guo ; Chi Wu

A polarization-independent narrow-band Bragg reflector based on a novel phase-shifted grating structure is proposed and analyzed. Operation and design principles for the proposed grating structure as an polarization-independent optical filter are described. Robustness of the polarization-independent filter against modal birefringence and polarization effects in grating couplings and modal losses are examined and verified. Tunability of the polarization-independent filter is also studied and demonstrated

Published in:

Journal of Lightwave Technology  (Volume:14 ,  Issue: 3 )