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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 2 — Jan. 15, 2010
  • pp: 205–207

Light tunneling inhibition in array of couplers with longitudinal refractive index modulation

Yaroslav V. Kartashov and Victor A. Vysloukh  »View Author Affiliations

Optics Letters, Vol. 35, Issue 2, pp. 205-207 (2010)

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We consider light tunneling inhibition in a periodic array of optical couplers due to the specially designed longitudinal and transverse modulation of the refractive index. We show that local out-of-phase longitudinal modulation of refractive index in channels of directional couplers in combination with the global refractive index modulation between adjacent couplers allow simultaneous suppression of both local and global energy tunneling inside each coupler and between adjacent couplers. This enables the localization of light in single waveguide despite the remarkable difference of corresponding local and global energy tunneling rates.

© 2010 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.6135) Nonlinear optics : Spatial solitons

ToC Category:
Nonlinear Optics

Original Manuscript: November 5, 2009
Manuscript Accepted: November 28, 2009
Published: January 14, 2010

Yaroslav V. Kartashov and Victor A. Vysloukh, "Light tunneling inhibition in array of couplers with longitudinal refractive index modulation," Opt. Lett. 35, 205-207 (2010)

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