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Low-loss and low-crosstalk Si polarization splitters with two-step etching

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Abstract

The waveguide-type three-line Si polarization splitter is designed and it has a polarization extinction ratio of more than 40dB and a loss of less than 0.4 dB for the wavelength range from 1.45µm to 1.65µm.

© 2016 Optical Society of America

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