Broadband Polarization Beam Splitter Rotator Using Only Silicon Nitride.

Fatemeh Ghaedi Vanani,Alireza Fardoost,Guifang Li,Christopher Doerr

Optical Fiber Communications Conference and Exhibition（2024）

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Abstract

We designed and fabricated a CMOS-compatible polarization beam splitter and rotator purely in Si3N4, achieving experimentally an insertion loss of ~1.5dB and a polarization extinction ratio greater than 15dB from 1280 to 1320nm.

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Key words

Silicon Nitride,Polarization Beam Splitter,Insertion Loss,Polarization Rotation,Extinction Ratio,High Power,Optical Power,Finite-difference Time-domain,Rectangular Waveguide,Photonic Integrated Circuits,Silicon-on-insulator,Power Handling,TM Polarization,TE Polarization,Fiber Array,Silicon Waveguide

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