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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. 27, Iss. 3 — Mar. 1, 2010
  • pp: 358–362

Symmetric and adjustable phase of higher-order reflected light from two-dimensional photonic crystal

Qiao-Feng Dai, Sheng Lan, and He-Zhou Wang  »View Author Affiliations


JOSA B, Vol. 27, Issue 3, pp. 358-362 (2010)
http://dx.doi.org/10.1364/JOSAB.27.000358


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Abstract

Investigation on the phase shifts of higher-order reflected light from a two-dimensional photonic crystal (PC) demonstrates that the phase shift of m th order reflected light is symmetric with respect to the line of k x = m π b in the frequency-wave vector domain, where k x and b denote the incident wave vector component along the surface and the period of the PC along the surface, respectively, and m is an integer. Such phase symmetry originates from the periodicity of a PC along the surface. When higher-order propagating waves appear between two band edges of a stop band, the phase change of the 0th order reflection is generally not π as reported before. Moreover, the reflection phase can be adjusted and designed by changing the cylinder radii of the surface layer. It provides a robust way to achieve a giant Goos–Hänchen shift, which is described in detail as an example, and superluminal propagation from a PC.

© 2010 Optical Society of America

OCIS Codes
(050.5080) Diffraction and gratings : Phase shift
(120.5700) Instrumentation, measurement, and metrology : Reflection
(050.5298) Diffraction and gratings : Photonic crystals

ToC Category:
Diffraction and Gratings

History
Original Manuscript: September 3, 2009
Revised Manuscript: November 19, 2009
Manuscript Accepted: December 17, 2009
Published: February 2, 2010

Citation
Qiao-Feng Dai, Sheng Lan, and He-Zhou Wang, "Symmetric and adjustable phase of higher-order reflected light from two-dimensional photonic crystal," J. Opt. Soc. Am. B 27, 358-362 (2010)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-27-3-358

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