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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 16 — Aug. 15, 2007
  • pp: 2369–2371

Disappearance of modes in planar Bragg waveguides

Jie Li and Kin Seng Chiang  »View Author Affiliations


Optics Letters, Vol. 32, Issue 16, pp. 2369-2371 (2007)
http://dx.doi.org/10.1364/OL.32.002369


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Abstract

We show how the forbidden bands of a Bragg reflector may shrink to points and how some classes of the guided modes of a planar Bragg waveguide may disappear altogether by shrinking with the forbidden bands. We derive the general conditions to determine the missing modes and explain these conditions with examples. It is possible, for example, to design a Bragg waveguide that rejects all antisymmetric modes and supports only symmetric modes for the TE polarization. We also highlight the effect of Brewster incidence on the interpretation of the missing modes for the TM polarization.

© 2007 Optical Society of America

OCIS Codes
(030.4070) Coherence and statistical optics : Modes
(130.2790) Integrated optics : Guided waves
(230.4170) Optical devices : Multilayers
(230.7370) Optical devices : Waveguides
(230.7390) Optical devices : Waveguides, planar

ToC Category:
Optical Devices

History
Original Manuscript: April 27, 2007
Revised Manuscript: June 21, 2007
Manuscript Accepted: June 22, 2007
Published: August 2, 2007

Citation
Jie Li and Kin Seng Chiang, "Disappearance of modes in planar Bragg waveguides," Opt. Lett. 32, 2369-2371 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-16-2369

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