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Proceedings Paper

Hexagonal photonic crystal waveguide based on barium titanate thin films
Author(s): Jianheng Li; Zhifu Liu; Bruce W. Wessels; Yongming Tu; Seng-Tiong Ho; Alexandra Joshi-Imre; Leonidas E. Ocola
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Paper Abstract

The simulation, fabrication and measurement of nonlinear photonic crystals (PhCs) with hexagonal symmetry in epitaxial BaTiO3 were investigated. The optical transmission properties of a PhC were simulated by a 2-D finite-difference time domain (FDTD) method. A complete bandgap exists for both the TE and TM optical modes. The fabricated PhC has a well-defined stop band over the spectral region of 1525 to 1575 nm. A microcavity structure was also fabricated by incorporation of a line defect in the PhC. Transmission of the microcavity structure over the spectral region from 1456 to 1584nm shows a well-defined 5 nm wide window at 1495nm. Simulations indicate that the phase velocity matched PhC microcavity device of 0.5 mm long can potentially serve as modulator with a 3 dB bandwidth of 4 THz.

Paper Details

Date Published: 23 February 2011
PDF: 7 pages
Proc. SPIE 7934, Optical Components and Materials VIII, 79340R (23 February 2011); doi: 10.1117/12.875072
Show Author Affiliations
Jianheng Li, Northwestern Univ. (United States)
Zhifu Liu, Northwestern Univ. (United States)
Bruce W. Wessels, Northwestern Univ. (United States)
Yongming Tu, Northwestern Univ. (United States)
Seng-Tiong Ho, Northwestern Univ. (United States)
Alexandra Joshi-Imre, Argonne National Lab. (United States)
Leonidas E. Ocola, Argonne National Lab. (United States)


Published in SPIE Proceedings Vol. 7934:
Optical Components and Materials VIII
Michel J. F. Digonnet; Shibin Jiang; John W. Glesener; J. Christopher Dries, Editor(s)

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