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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 17 — Aug. 13, 2012
  • pp: 19119–19124

Light controlling in transverse separation modulated photonic lattices

Zheng Cao, Xinyuan Qi, Xuanqi Feng, Zhaoyu Ren, Guoquan Zhang, and Jintao Bai  »View Author Affiliations

Optics Express, Vol. 20, Issue 17, pp. 19119-19124 (2012)

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We numerically study the propagation of Gaussian beams in four different types of transverse separation modulated photonic lattices. We find the modulation obeying hyperbolic secant or rectangular functions can act as optical potentials, and the light waves can be localized or recur in the regions between such two positive potentials, respectively. While the beams decay in the regions between such two negative potentials since these structures could not support localized modes. Our results provide new ways for light controlling and manipulation in photonic lattices.

© 2012 OSA

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(050.5298) Diffraction and gratings : Photonic crystals
(070.7345) Fourier optics and signal processing : Wave propagation

ToC Category:
Photonic Crystals

Original Manuscript: April 27, 2012
Revised Manuscript: July 17, 2012
Manuscript Accepted: July 30, 2012
Published: August 6, 2012

Zheng Cao, Xinyuan Qi, Xuanqi Feng, Zhaoyu Ren, Guoquan Zhang, and Jintao Bai, "Light controlling in transverse separation modulated photonic lattices," Opt. Express 20, 19119-19124 (2012)

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