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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 6 — Mar. 16, 2009
  • pp: 4348–4354

Light wheel confined in a purely dielectric composite waveguide

Yu Qian Ye, Yi Jin, and Sailing He  »View Author Affiliations

Optics Express, Vol. 17, Issue 6, pp. 4348-4354 (2009)

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A properly designed composite waveguide consisting of a one-dimensional photonic crystal waveguide and a conventional dielectric waveguide is proposed for the realization of a localized “light wheel”. Light confinedly rotating between the two waveguides is numerically demonstrated and explained physically in detail. A delocalized “light wheel” is found at the band gap edge caused by contra-directional coupling between the two waveguides. Because of this delocalized “light wheel” , the composite waveguide can be used to trap light as a cavity, and a quality factor of 9×103 is achieved as an example. The present structure is completely dielectric and thus easy to realize with a low loss.

© 2009 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(230.5750) Optical devices : Resonators
(130.5296) Integrated optics : Photonic crystal waveguides

ToC Category:
Integrated Optics

Original Manuscript: December 24, 2008
Revised Manuscript: February 16, 2009
Manuscript Accepted: February 18, 2009
Published: March 3, 2009

Yu Q. Ye, Yi Jin, and Sailing He, "Light wheel confined in a purely dielectric composite waveguide," Opt. Express 17, 4348-4354 (2009)

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