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In-plane confinement with matching layer structure in quasi-3-D photonic crystal waveguide

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4 Author(s)
Panxiao Wang ; Dept. of Electron. Eng., Tsinghua Univ., Beijing, China ; Yidong Huang ; Wei Zhang ; Jiangde Peng

We proposed a novel quasi-three-dimensional (3-D) photonic crystal (PC), which is composed of two-dimensional PC and one-dimensional distributed Bragg reflector structures with a matching layer set between them. Through adjusting the thickness of the matching layer, in-plane confinement by the effects of Bragg grating and total internal reflection can be achieved simultaneously. Using this quasi-3-D PC waveguide structure, a wide transmission band was numerically demonstrated both in GaAs--AlxOy (or Si--SiO2 ) and GaAs-AlAs material group

Published in:

IEEE Photonics Technology Letters  (Volume:18 ,  Issue: 11 )