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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. 6 — Jun. 1, 2010
  • pp: 1299–1304

Steering between Bloch oscillation and dipole oscillation in parabolic optical waveguide arrays

Ming Jie Zheng, Yun San Chan, and Kin Wah Yu  »View Author Affiliations


JOSA B, Vol. 27, Issue 6, pp. 1299-1304 (2010)
http://dx.doi.org/10.1364/JOSAB.27.001299


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Abstract

We study the optical oscillations of supermodes in planar optical waveguide arrays with a parabolically graded propagation constant in individual waveguide interacting through nearest neighbor couplings. In these arrays, we have identified a transition between a symmetric dipole oscillation (DO) and a symmetry-breaking Bloch oscillation (BO) under appropriate conditions. There exist obvious correspondences between gradon localization and various optical oscillations. By virtue of an analog between the oscillations of optical system and that of a plane pendulum, we propose a shift of the graded profile to cause a transition from BO to DO. We confirm the optical transition by means of Hamiltonian optics, as well as by the field evolution of the supermodes. The results offer great potential applications in optical switching, which can be applied to design suitable optical devices.

© 2010 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(230.7370) Optical devices : Waveguides
(350.5500) Other areas of optics : Propagation
(130.4815) Integrated optics : Optical switching devices

ToC Category:
Integrated Optics

History
Original Manuscript: February 1, 2010
Revised Manuscript: April 15, 2010
Manuscript Accepted: April 19, 2010
Published: May 24, 2010

Citation
Ming Jie Zheng, Yun San Chan, and Kin Wah Yu, "Steering between Bloch oscillation and dipole oscillation in parabolic optical waveguide arrays," J. Opt. Soc. Am. B 27, 1299-1304 (2010)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-27-6-1299


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