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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. 17, Iss. 6 — Jun. 1, 2000
  • pp: 1048–1058

Dipole radiation into grating structures

Hervé Rigneault, Fabien Lemarchand, and Anne Sentenac  »View Author Affiliations


JOSA A, Vol. 17, Issue 6, pp. 1048-1058 (2000)
http://dx.doi.org/10.1364/JOSAA.17.001048


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Abstract

We present a detailed electromagnetic analysis for the radiation of an electric source located inside grating structures. Our analysis is based on the differential method and uses the scattering-matrix algorithm. We show that gratings that exhibit periodic modulations along two spatial directions (crossed gratings) enable one to couple out the totality of the light emitted by the source into the guided modes of the structure. This property is investigated through the computation of the far-field radiation patterns for crossed gratings with various etching depths. One key result is the possibility to confine the emitted light in a direction about the sample normal, a property that is of interest in the context of spontaneous emission control by microcavity structures.

© 2000 Optical Society of America

OCIS Codes
(130.1750) Integrated optics : Components
(230.3990) Optical devices : Micro-optical devices
(260.1960) Physical optics : Diffraction theory
(260.3800) Physical optics : Luminescence
(350.2770) Other areas of optics : Gratings
(350.3950) Other areas of optics : Micro-optics

History
Original Manuscript: October 13, 1999
Revised Manuscript: March 1, 2000
Manuscript Accepted: March 1, 2000
Published: June 1, 2000

Citation
Hervé Rigneault, Fabien Lemarchand, and Anne Sentenac, "Dipole radiation into grating structures," J. Opt. Soc. Am. A 17, 1048-1058 (2000)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-17-6-1048

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