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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 17 — Sep. 1, 2013
  • pp: 3212–3215

Asymmetric light propagation in transverse separation modulated photonic lattices

Zheng Cao, Xinyuan Qi, Guoquan Zhang, and Jintao Bai  »View Author Affiliations

Optics Letters, Vol. 38, Issue 17, pp. 3212-3215 (2013)

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We investigate, both theoretically and numerically, the asymmetric light propagation in transverse separation modulated photonic lattices. The theoretical results show that the transmission contrast η of the structure is determined only by the coupling strengths between the chirped lattice and the two boundary uniform lattice portions. The numerical studies demonstrate that η is independent of the separation modulation function of the chirped lattice, which is in good agreement with the theory.

© 2013 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(130.5296) Integrated optics : Photonic crystal waveguides
(070.7345) Fourier optics and signal processing : Wave propagation

ToC Category:
Diffraction and Gratings

Original Manuscript: June 4, 2013
Revised Manuscript: July 21, 2013
Manuscript Accepted: July 25, 2013
Published: August 19, 2013

Zheng Cao, Xinyuan Qi, Guoquan Zhang, and Jintao Bai, "Asymmetric light propagation in transverse separation modulated photonic lattices," Opt. Lett. 38, 3212-3215 (2013)

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Fig. 1. Fig. 2. Fig. 3.

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