Tunable ferroelectric photonic crystals based on Ba0.7Sr 0.3TiO3/MgO multilayer thin films

D. Y. Wang; K. L. Jim; Chi Wah Leung; H. L W Chan; C. L. Choy

doi:10.1117/12.721060

Tunable ferroelectric photonic crystals based on Ba0.7Sr 0.3TiO3/MgO multilayer thin films

D. Y. Wang, K. L. Jim, Chi Wah Leung, H. L W Chan, C. L. Choy

Research output: Chapter in book / Conference proceeding › Conference article published in proceeding or book › Academic research › peer-review

2 Citations (Scopus)

Abstract

It is of interest to the optoelectronic community if index-tunable photonic crystals can be realized by using ferroelectric materials since the refractive index of ferroelectric materials can be electrically tuned through the electro-optic effect. In this paper, we present our work on developing a tunable one-dimensional (1D) photonic crystal (PC) based on a Ba0.7Sr0.3TiO3/MgO multilayer structure. A ferroelectric 1D photonic crystal consisting of a Ba0.7Sr0.3TiO3/MgO multilayer thin film was epitaxially deposited on a MgO (001) single-crystal substrate by pulsed laser deposition. A photonic band gap in the visible region is observed in the transmission spectrum of the multilayer thin film. The centre wavelength of the band gap is ∼ 464 nm, which agrees with the simulation result obtained by the transfer matrix method. The band gap can be tuned by an external electric field E. The band gap shifts about 2 nm under a dc voltage of 240 V (E ∼ 12 MV/m).

Original language	English
Title of host publication	Micro (MEMS) and Nanotechnologies for Defense and Security
Volume	6556
DOIs	https://doi.org/10.1117/12.721060
Publication status	Published - 15 Nov 2007
Event	Micro (MEMS) and Nanotechnologies for Defense and Security - Orlando, FL, United States Duration: 10 Apr 2007 → 12 Apr 2007

Conference

Conference	Micro (MEMS) and Nanotechnologies for Defense and Security
Country/Territory	United States
City	Orlando, FL
Period	10/04/07 → 12/04/07

Keywords

BST thin film
Index-tunable
Photonic crystal

ASJC Scopus subject areas

Electrical and Electronic Engineering
Condensed Matter Physics

More information

10.1117/12.721060

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abstract = "It is of interest to the optoelectronic community if index-tunable photonic crystals can be realized by using ferroelectric materials since the refractive index of ferroelectric materials can be electrically tuned through the electro-optic effect. In this paper, we present our work on developing a tunable one-dimensional (1D) photonic crystal (PC) based on a Ba0.7Sr0.3TiO3/MgO multilayer structure. A ferroelectric 1D photonic crystal consisting of a Ba0.7Sr0.3TiO3/MgO multilayer thin film was epitaxially deposited on a MgO (001) single-crystal substrate by pulsed laser deposition. A photonic band gap in the visible region is observed in the transmission spectrum of the multilayer thin film. The centre wavelength of the band gap is ∼ 464 nm, which agrees with the simulation result obtained by the transfer matrix method. The band gap can be tuned by an external electric field E. The band gap shifts about 2 nm under a dc voltage of 240 V (E ∼ 12 MV/m).",

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Tunable ferroelectric photonic crystals based on Ba0.7Sr 0.3TiO3/MgO multilayer thin films. / Wang, D. Y.; Jim, K. L.; Leung, Chi Wah et al.
Micro (MEMS) and Nanotechnologies for Defense and Security. Vol. 6556 2007. 65560Q.

Research output: Chapter in book / Conference proceeding › Conference article published in proceeding or book › Academic research › peer-review

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AU - Choy, C. L.

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AB - It is of interest to the optoelectronic community if index-tunable photonic crystals can be realized by using ferroelectric materials since the refractive index of ferroelectric materials can be electrically tuned through the electro-optic effect. In this paper, we present our work on developing a tunable one-dimensional (1D) photonic crystal (PC) based on a Ba0.7Sr0.3TiO3/MgO multilayer structure. A ferroelectric 1D photonic crystal consisting of a Ba0.7Sr0.3TiO3/MgO multilayer thin film was epitaxially deposited on a MgO (001) single-crystal substrate by pulsed laser deposition. A photonic band gap in the visible region is observed in the transmission spectrum of the multilayer thin film. The centre wavelength of the band gap is ∼ 464 nm, which agrees with the simulation result obtained by the transfer matrix method. The band gap can be tuned by an external electric field E. The band gap shifts about 2 nm under a dc voltage of 240 V (E ∼ 12 MV/m).

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Tunable ferroelectric photonic crystals based on Ba0.7Sr 0.3TiO3/MgO multilayer thin films

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Keywords

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