Controllable light diffraction in woodpile photonic crystals filled with liquid crystal

Chih Hua Ho; Yu Chieh Cheng; Lina Maigyte; Hao Zeng; Jose Trull; Crina Cojocaru; Diederik S. Wiersma; Kestutis Staliunas

doi:10.1063/1.4905695

Controllable light diffraction in woodpile photonic crystals filled with liquid crystal

Chih Hua Ho
, Yu Chieh Cheng
, Lina Maigyte
, Hao Zeng
, Jose Trull
, Crina Cojocaru
, Diederik S. Wiersma
, Kestutis Staliunas

Department of Electro-Optical Engineering

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

24 Scopus citations

Abstract

An approach to switching between different patterns of light beams transmitted through the woodpile photonic crystals filled with liquid crystals is proposed. The phase transition between the nematic and isotropic liquid crystal states leads to an observable variation of the spatial pattern transmitted through the photonic structure. The transmission profiles in the nematic phase also show polarization sensibility due to refractive index dependence on the field polarization. The experimental results are consistent with a numerical calculation by Finite Difference Time Domain method.

Original language	English
Article number	021113
Journal	Applied Physics Letters
Volume	106
Issue number	2
DOIs	https://doi.org/10.1063/1.4905695
State	Published - 12 Jan 2015

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© 2015 AIP Publishing LLC.

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abstract = "An approach to switching between different patterns of light beams transmitted through the woodpile photonic crystals filled with liquid crystals is proposed. The phase transition between the nematic and isotropic liquid crystal states leads to an observable variation of the spatial pattern transmitted through the photonic structure. The transmission profiles in the nematic phase also show polarization sensibility due to refractive index dependence on the field polarization. The experimental results are consistent with a numerical calculation by Finite Difference Time Domain method.",

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AU - Ho, Chih Hua

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AU - Zeng, Hao

AU - Trull, Jose

AU - Cojocaru, Crina

AU - Wiersma, Diederik S.

AU - Staliunas, Kestutis

PY - 2015/1/12

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N2 - An approach to switching between different patterns of light beams transmitted through the woodpile photonic crystals filled with liquid crystals is proposed. The phase transition between the nematic and isotropic liquid crystal states leads to an observable variation of the spatial pattern transmitted through the photonic structure. The transmission profiles in the nematic phase also show polarization sensibility due to refractive index dependence on the field polarization. The experimental results are consistent with a numerical calculation by Finite Difference Time Domain method.

AB - An approach to switching between different patterns of light beams transmitted through the woodpile photonic crystals filled with liquid crystals is proposed. The phase transition between the nematic and isotropic liquid crystal states leads to an observable variation of the spatial pattern transmitted through the photonic structure. The transmission profiles in the nematic phase also show polarization sensibility due to refractive index dependence on the field polarization. The experimental results are consistent with a numerical calculation by Finite Difference Time Domain method.

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Controllable light diffraction in woodpile photonic crystals filled with liquid crystal

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