The Application of the Sawtooth Photonic Crystal on Producing Polarized Light

Ting Hang Pei; Cheng Wei Chou; Kei-Hsiung Yang

doi:10.1109/LPT.2011.2161461

The Application of the Sawtooth Photonic Crystal on Producing Polarized Light

Ting Hang Pei, Cheng Wei Chou, Kei-Hsiung Yang

Institute of Imaging and Biomedical Photonics

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

Abstract

We have proposed a sawtooth photonic crystal formed by Si-SiO2 periodic layers designed on a planar medium as a polarizer. The polarizer can produce H-polarized light very efficiently because the frequency of E-polarized light is chosen at the photonic band gap but that of H-polarized light at the photonic conduction band. The best polarization ratio is as high as 2.56 x 10(5) : 1 when the normalized frequency a/lambda is 0.24 and the incident angle is about 13 degrees. Highly polarized light can be produced in a normalized frequency range from 0.23 to 0.25, and this can possibly be applied to an LED with a certain bandwidth.

Original language	English
Pages (from-to)	1361-1363
Number of pages	3
Journal	IEEE Photonics Technology Letters
DOIs	https://doi.org/10.1109/LPT.2011.2161461
State	Published - 15 Sep 2011

Keywords

Polarization; sawtooth photonic crystal
FABRICATION

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title = "The Application of the Sawtooth Photonic Crystal on Producing Polarized Light",

abstract = "We have proposed a sawtooth photonic crystal formed by Si-SiO2 periodic layers designed on a planar medium as a polarizer. The polarizer can produce H-polarized light very efficiently because the frequency of E-polarized light is chosen at the photonic band gap but that of H-polarized light at the photonic conduction band. The best polarization ratio is as high as 2.56 x 10(5) : 1 when the normalized frequency a/lambda is 0.24 and the incident angle is about 13 degrees. Highly polarized light can be produced in a normalized frequency range from 0.23 to 0.25, and this can possibly be applied to an LED with a certain bandwidth.",

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N2 - We have proposed a sawtooth photonic crystal formed by Si-SiO2 periodic layers designed on a planar medium as a polarizer. The polarizer can produce H-polarized light very efficiently because the frequency of E-polarized light is chosen at the photonic band gap but that of H-polarized light at the photonic conduction band. The best polarization ratio is as high as 2.56 x 10(5) : 1 when the normalized frequency a/lambda is 0.24 and the incident angle is about 13 degrees. Highly polarized light can be produced in a normalized frequency range from 0.23 to 0.25, and this can possibly be applied to an LED with a certain bandwidth.

AB - We have proposed a sawtooth photonic crystal formed by Si-SiO2 periodic layers designed on a planar medium as a polarizer. The polarizer can produce H-polarized light very efficiently because the frequency of E-polarized light is chosen at the photonic band gap but that of H-polarized light at the photonic conduction band. The best polarization ratio is as high as 2.56 x 10(5) : 1 when the normalized frequency a/lambda is 0.24 and the incident angle is about 13 degrees. Highly polarized light can be produced in a normalized frequency range from 0.23 to 0.25, and this can possibly be applied to an LED with a certain bandwidth.

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JO - IEEE Photonics Technology Letters

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