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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. 29, Iss. 4 — Apr. 1, 2012
  • pp: 683–690

Approximate expressions for resonant shifts in the reflection of Gaussian wave packets from two-dimensional photonic crystal waveguides

Mehdi Miri, Amin Khavasi, Fatemeh Alishahi, Khashayar Mehrany, and Bizhan Rashidian  »View Author Affiliations


JOSA B, Vol. 29, Issue 4, pp. 683-690 (2012)
http://dx.doi.org/10.1364/JOSAB.29.000683


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Abstract

In this paper, enhanced spatial and temporal shifts in the reflection of Gaussian wave packets from two-dimensional photonic crystal waveguides supporting above-the-light-line leaky modes are studied, for the first time to our best knowledge. Particular attention is given to two important special cases, namely, harmonic Gaussian beams and Gaussian-pulse uniform plane waves. Analytical expressions are given for enhanced spatial and temporal shifts when the stationary phase approximation holds and the incident wave excites above-the-light-line leaky modes. The enhanced spatial and temporal shifts of Gaussian wave packets are thereby related to each other via the group velocity of the excited leaky modes.

© 2012 Optical Society of America

OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(130.0130) Integrated optics : Integrated optics
(260.0260) Physical optics : Physical optics
(130.5296) Integrated optics : Photonic crystal waveguides
(050.5298) Diffraction and gratings : Photonic crystals

ToC Category:
Integrated Optics

History
Original Manuscript: September 30, 2011
Revised Manuscript: December 10, 2011
Manuscript Accepted: December 12, 2011
Published: March 16, 2012

Citation
Mehdi Miri, Amin Khavasi, Fatemeh Alishahi, Khashayar Mehrany, and Bizhan Rashidian, "Approximate expressions for resonant shifts in the reflection of Gaussian wave packets from two-dimensional photonic crystal waveguides," J. Opt. Soc. Am. B 29, 683-690 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-4-683


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