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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 18 — Sep. 15, 2010
  • pp: 3147–3149

Nonreciprocal Bloch oscillations in magneto-optic waveguide arrays

Miguel Levy and Pradeep Kumar  »View Author Affiliations


Optics Letters, Vol. 35, Issue 18, pp. 3147-3149 (2010)
http://dx.doi.org/10.1364/OL.35.003147


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Abstract

We show that nonreciprocal optical Bloch-like oscillations can emerge in transversely magnetized waveguide arrays in the presence of an effective index step between the waveguides. Normal modes of the system are shown to acquire different wavenumbers in opposite propagation directions. Significant differences in phase coherence and decoherence between these normal modes are presented and discussed. Nonreciprocity is established by imposing unequal vertical refractive index gradients at the substrate/core and core/cover interfaces in the presence of transverse magnetization.

© 2010 Optical Society of America

OCIS Codes
(000.1600) General : Classical and quantum physics
(130.2790) Integrated optics : Guided waves
(230.7370) Optical devices : Waveguides

ToC Category:
Integrated Optics

History
Original Manuscript: June 2, 2010
Revised Manuscript: August 7, 2010
Manuscript Accepted: August 22, 2010
Published: September 15, 2010

Citation
Miguel Levy and Pradeep Kumar, "Nonreciprocal Bloch oscillations in magneto-optic waveguide arrays," Opt. Lett. 35, 3147-3149 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-18-3147

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