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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 19 — Sep. 20, 2004
  • pp: 4511–4522

Focusing of partially coherent light into planar waveguides

Toni Saastamoinen, Markku Kuittinen, Pasi Vahimaa, Jari Turunen, and Jani Tervo  »View Author Affiliations


Optics Express, Vol. 12, Issue 19, pp. 4511-4522 (2004)
http://dx.doi.org/10.1364/OPEX.12.004511


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Abstract

Edge coupling of a focused partially coherent Gaussian Schell-model beam into a planar dielectric waveguide is examined. The incident field is decomposed into a sum of coherent modes that are expressed as a discrete superposition of plane-wave components. A model based on the rigorous diffraction theory of gratings is used to replace the waveguide with a corresponding periodic multilayer structure to determine the coupling efficiencies. Numerical simulations are presented for single and multimode planar waveguides and for a graded index waveguide. The results are compared with the predictions of the overlap integral method.

© 2004 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(050.1940) Diffraction and gratings : Diffraction
(230.7390) Optical devices : Waveguides, planar

ToC Category:
Research Papers

History
Original Manuscript: August 10, 2004
Revised Manuscript: September 10, 2004
Published: September 20, 2004

Citation
Toni Saastamoinen, Markku Kuittinen, Pasi Vahimaa, Jari Turunen, and Jani Tervo, "Focusing of partially coherent light into planar waveguides," Opt. Express 12, 4511-4522 (2004)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-12-19-4511


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