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3 March 2016 Compact transverse-magnetic-pass polarizer based on one-dimensional photonic crystal waveguide
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Abstract
We propose a compactly integrated transverse-magnetic (TM)-pass polarizer based on rectangular-shape onedimensional photonic-crystal silicon waveguide with an extremely high polarization extinction ratio of >30 dB and low insertion loss (~1 dB) over a broad wavelength range of 210 nm from 1,460 nm to 1,670 nm. The polarizer has been numerically simulated using three-dimensional finite-difference time-domain (3D FDTD) method. The optimum length of the proposed TM-pass polarizer is about 4 μm. At the 1,550 nm wavelength, the simulated polarization extinction ratio of the polarizer is 36 dB, and its corresponding insertion loss is about 1 dB.
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Dong Wook Kim, Moon Hyeok Lee, Yudeuk Kim, and Kyong Hon Kim "Compact transverse-magnetic-pass polarizer based on one-dimensional photonic crystal waveguide", Proc. SPIE 9751, Smart Photonic and Optoelectronic Integrated Circuits XVIII, 97511A (3 March 2016); https://doi.org/10.1117/12.2210743
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