Design of ultra-short polarization convertor with enhanced birefringence by photonic crystals

Chii Chang Chen

doi:10.1016/j.rinp.2021.104138

Design of ultra-short polarization convertor with enhanced birefringence by photonic crystals

Chii Chang Chen

Department of Optics and Photonics

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

We report that the birefringence of the polarization convertor in silicon-on-Insulator channel waveguide could be enlarged using photonic crystals. The photonic crystals consist of etched air holes shifted to the center of the waveguide. The polarization rotation due to the asymmetric modes in the shifted photonic crystal structure is investigated. The result shows that the length to convert 100% input light to the orthogonal polarization could be as short as 3.4 μm. The device can be used in the integrated optical quantum computing system.

Original language	English
Article number	104138
Journal	Results in Physics
Volume	24
DOIs	https://doi.org/10.1016/j.rinp.2021.104138
State	Published - May 2021

Keywords

Integrated optics
Optical polarization
Photonic crystals

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10.1016/j.rinp.2021.104138

Development of Optical Neural Networks Chip
Chen, C.-C. (PI)
1/08/20 → 31/07/21
Project: Research

Cite this

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title = "Design of ultra-short polarization convertor with enhanced birefringence by photonic crystals",

abstract = "We report that the birefringence of the polarization convertor in silicon-on-Insulator channel waveguide could be enlarged using photonic crystals. The photonic crystals consist of etched air holes shifted to the center of the waveguide. The polarization rotation due to the asymmetric modes in the shifted photonic crystal structure is investigated. The result shows that the length to convert 100% input light to the orthogonal polarization could be as short as 3.4 μm. The device can be used in the integrated optical quantum computing system.",

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AB - We report that the birefringence of the polarization convertor in silicon-on-Insulator channel waveguide could be enlarged using photonic crystals. The photonic crystals consist of etched air holes shifted to the center of the waveguide. The polarization rotation due to the asymmetric modes in the shifted photonic crystal structure is investigated. The result shows that the length to convert 100% input light to the orthogonal polarization could be as short as 3.4 μm. The device can be used in the integrated optical quantum computing system.

KW - Integrated optics

KW - Optical polarization

KW - Photonic crystals

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SN - 2211-3797

VL - 24

JO - Results in Physics

JF - Results in Physics

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ER -

Design of ultra-short polarization convertor with enhanced birefringence by photonic crystals

Abstract

Keywords

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Projects

Development of Optical Neural Networks Chip

Cite this