A Compact Terahertz Polarization Beam Splitter Based on Directional Coupler

Wentao Deng,Liao Chen,Ruolan Wang,Ziwei Wang,Shixing Yuan,Yu Yu,Xiaojun Wu,Xinliang Zhang

A Compact Terahertz Polarization Beam Splitter Based on Directional Coupler

2021

Wentao Deng
Liao Chen
Ruolan Wang
Ziwei Wang
Shixing Yuan
Yu Yu
Xiaojun Wu
Xinliang Zhang

We demonstrate a compact terahertz polarization beam splitter based on directional coupler. The extinction ratio over 8 dB is achieved from 0.445 to 0.475 THz for both TE and TM polarizations.

Keywords:

Finite-difference time-domain method
Physics
polarization beam splitter
Terahertz radiation
Photonic-crystal fiber
Extinction ratio
Optics
Power dividers and directional couplers
Polarization (waves)

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