期刊
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS
卷 11, 期 4, 页码 152-154出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/7260.916327
关键词
absorbing boundary condition; perfectly matched layer; photonic crystal; photonic crystal waveguide; time-domain analysis
A high-performance absorbing boundary condition is newly del eloped for the reduction of spurious reflections in photonic crystal (PC) waveguide simulations. The PC waveguide is terminated with a perfectly matched layer (PML) in which the original PC structure remains as is. This PC-based PML works well, compared to a conventional PML, which acts as a homogeneous absorbing medium, simulating a semi-infinite free space and to a distributed-Bragg-reflector waveguide, which was recently developed to reduce reflections from PC waveguide ends, improving a wavenumber matching condition for PC waveguide modes.
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