Interleaved subwavelength gratings strip waveguide based TM pass polarizer on SOI platform
IEEE Photonics Journal(2020)
摘要
We report on an ultra-compact, low loss and broadband TM-pass polarizer, which is constructed by two interleaved subwavelength-gratings (SWGs) waveguides inserted in the center of the strip waveguide on a silicon-on-insulator (SOI) platform. The device structure is optimally engineered to support Bloch mode for fundamental TM polarization only. Therefore, the TM mode transmits along the strip wave...
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关键词
Optical waveguides,Strips,Erbium,Refractive index,Gratings,Bandwidth,Fabrication
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