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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 18, Iss. 11 — Nov. 1, 2001
  • pp: 2806–2818

Polarization eccentricity of the transverse field for modes in chiral core planar waveguides

Warren N. Herman  »View Author Affiliations


JOSA A, Vol. 18, Issue 11, pp. 2806-2818 (2001)
http://dx.doi.org/10.1364/JOSAA.18.002806


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Abstract

The general solution for modes in an asymmetric planar waveguide with a homogeneous and isotropic chiral core is given in terms of a pair of parameters related to the eccentricity of the polarization ellipse for the transverse electric field. This formulation provides insight into the transition, with increasing chirality of the core, from TE/TM modes to right-handed and left-handed circular polarization modes. Mode polarization as a function of waveguide thickness and of frequency is discussed in detail. Beyond a mode-dependent maximum thickness (or frequency), the left-handed elliptical modes consist of a slow-wave component whose cutoff properties are examined. The limiting case of a symmetric waveguide is also discussed.

© 2001 Optical Society of America

OCIS Codes
(230.7390) Optical devices : Waveguides, planar
(250.5460) Optoelectronics : Polymer waveguides
(310.2790) Thin films : Guided waves

Citation
Warren N. Herman, "Polarization eccentricity of the transverse field for modes in chiral core planar waveguides," J. Opt. Soc. Am. A 18, 2806-2818 (2001)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-18-11-2806

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