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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 44, Iss. 5 — Feb. 10, 2005
  • pp: 751–764

Accurate first-order leaky-wave analysis of antiresonant reflecting optical waveguides

Meng-Huei Sheng and Hung-Wen Chang  »View Author Affiliations


Applied Optics, Vol. 44, Issue 5, pp. 751-764 (2005)
http://dx.doi.org/10.1364/AO.44.000751


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Abstract

We present a closed-form approximation for estimating both the field distribution and complex propagating constant of the antiresonant reflecting optical waveguide (ARROW) based on a first-order leaky-mode analysis. The formula was obtained from a novel coupled-electric-coupled-magnetic matrix method and provides six significant figures of the real part of the propagation constant β of a SiO2/TiO2/SiO2/Si ARROW with an 8‐μm core. The accuracy for the quantity of the imaginary part of β is greater than 98.4% for the TE_0 mode and 99.3% for TM_0. The approximate values for field components are 96.1% accurate. In addition, a slight absorption by the substrate will result in modification of the initial improper leaky-mode behavior, which grows exponentially in the substrate, yielding a proper solution.

© 2005 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(130.0130) Integrated optics : Integrated optics
(230.7400) Optical devices : Waveguides, slab

Citation
Meng-Huei Sheng and Hung-Wen Chang, "Accurate first-order leaky-wave analysis of antiresonant reflecting optical waveguides," Appl. Opt. 44, 751-764 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-5-751

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