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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry Van Driel
  • Vol. 26, Iss. 1 — Jan. 1, 2009
  • pp: 101–106

Liquid-crystal-filled photonic crystal for terahertz switch and filter

Hui Zhang, Peng Guo, Ping Chen, Shengjiang Chang, and Jinghe Yuan  »View Author Affiliations


JOSA B, Vol. 26, Issue 1, pp. 101-106 (2009)
http://dx.doi.org/10.1364/JOSAB.26.000101


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Abstract

The effects of magnetic birefringence of liquid crystal E7 on the photonic bandgaps and the transmitting properties in two-dimensional photonic crystal waveguides are investigated by using the plane wave expansion and finite-difference time domain methods. Detailed calculations on the shifts and variations in the frequency width of bandgaps reveal that under the control of an external magnetic field the two-dimensional liquid-crystal-filled photonic crystal waveguide can serve as a switch and continuously tunable bandpass filter at the terahertz wave band.

© 2008 Optical Society of America

OCIS Codes
(260.3090) Physical optics : Infrared, far
(230.7408) Optical devices : Wavelength filtering devices

ToC Category:
Photonic Crystals

History
Original Manuscript: July 25, 2008
Revised Manuscript: October 15, 2008
Manuscript Accepted: October 31, 2008
Published: December 16, 2008

Citation
Hui Zhang, Peng Guo, Ping Chen, Shengjiang Chang, and Jinghe Yuan, "Liquid-crystal-filled photonic crystal for terahertz switch and filter," J. Opt. Soc. Am. B 26, 101-106 (2009)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-26-1-101

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