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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 7 — Mar. 1, 2003
  • pp: 1330–1345

Multilayer thin-film structures with high spatial dispersion

Martina Gerken and David A. B. Miller  »View Author Affiliations


Applied Optics, Vol. 42, Issue 7, pp. 1330-1345 (2003)
http://dx.doi.org/10.1364/AO.42.001330


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Abstract

We demonstrate how to design thin-film multilayer structures that separate multiple wavelength channels with a single stack by spatial dispersion, thus allowing compact manufacturable wavelength multiplexers and demultiplexers and possibly beam-steering or dispersion-control devices. We discuss four types of structure—periodic one-dimensional photonic crystal superprism structures, double-chirped structures exploiting wavelength-dependent penetration depth, coupled-cavity structures with dispersion that is due to stored energy, and numerically optimized nonperiodic structures utilizing a mixture of the other dispersion effects. We experimentally test the spatial dispersion of a 200-layer periodic structure and a 66-layer nonperiodic structure. Probably because of its greater design freedom, the nonperiodic structure can give both a linear shift with wavelength and a larger usable shift than the thicker periodic structure gives.

© 2003 Optical Society of America

OCIS Codes
(060.4230) Fiber optics and optical communications : Multiplexing
(230.4170) Optical devices : Multilayers
(260.2030) Physical optics : Dispersion

History
Original Manuscript: August 8, 2002
Revised Manuscript: November 6, 2002
Published: March 1, 2003

Citation
Martina Gerken and David A. B. Miller, "Multilayer thin-film structures with high spatial dispersion," Appl. Opt. 42, 1330-1345 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-7-1330

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