High-extinction-ratio Si optical modulator loaded with integrated polarizer

We propose a carrier-depletion type Si optical modulator for transverse electric (TE) polarization loaded with an integrated polarizer. The integrated TE-pass polarizer with a bent waveguide has a compact and simple structure and demonstrate a polarization extinction ratio of 41.3 dB and insertion l...

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Published in:Japanese Journal of Applied Physics 2022-08, Vol.61 (SK), p.SK1001
Main Authors: Kojima, Hiroki, Fujikata, Junichi, Kita, Tomohiro
Format: Article
Language:English
Subjects:
Depletion
Extinction
extinction ratio
Insertion loss
Optical communication
optical modulator
Polarization
polarizer
Polarizers
silicon photonics
Waveguides
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container_title Japanese Journal of Applied Physics
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creator Kojima, Hiroki
Fujikata, Junichi
Kita, Tomohiro
description We propose a carrier-depletion type Si optical modulator for transverse electric (TE) polarization loaded with an integrated polarizer. The integrated TE-pass polarizer with a bent waveguide has a compact and simple structure and demonstrate a polarization extinction ratio of 41.3 dB and insertion loss of 0.67 dB. This Si optical modulator loaded with the integrated polarizer achieved a maximum extinction ratio of 54.5 dB. It is expected to have a wide range of applications in digital coherent optical communication and optical sensing fields.
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source IOPscience journals; Institute of Physics
subjects Depletion
Extinction
extinction ratio
Insertion loss
Optical communication
optical modulator
Polarization
polarizer
Polarizers
silicon photonics
Waveguides
title High-extinction-ratio Si optical modulator loaded with integrated polarizer
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