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Optics Letters

Optics Letters

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  • Vol. 36, Iss. 9 — May. 1, 2011
  • pp: 1704–1706

Matrix Fabry–Perot resonance mechanism in high-contrast gratings

Vadim Karagodsky, Christopher Chase, and Connie J. Chang-Hasnain  »View Author Affiliations


Optics Letters, Vol. 36, Issue 9, pp. 1704-1706 (2011)
http://dx.doi.org/10.1364/OL.36.001704


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Abstract

We present a simple analytic formalism to explain the unique resonance phenomenon in subwavelength high- contrast gratings (HCG). We show that the resonances are due to strong coupling between two surface-normal waveguide array modes resulting from abrupt and large index contrast. Simple expression for HCG quality factor is derived that agrees with spectral-fitting approaches reported in literature.

© 2011 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(230.5750) Optical devices : Resonators
(050.6624) Diffraction and gratings : Subwavelength structures

ToC Category:
Diffraction and Gratings

History
Original Manuscript: February 22, 2011
Manuscript Accepted: March 17, 2011
Published: April 29, 2011

Citation
Vadim Karagodsky, Christopher Chase, and Connie J. Chang-Hasnain, "Matrix Fabry–Perot resonance mechanism in high-contrast gratings," Opt. Lett. 36, 1704-1706 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-9-1704

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