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Applied Optics

Applied Optics


  • Vol. 44, Iss. 8 — Mar. 10, 2005
  • pp: 1503–1511

Wide-field-of-view GaAs/AlxOy one-dimensional photonic crystal filter

Chyong-Hua Chen, Kevin Tetz, Wataru Nakagawa, and Yeshaiahu Fainman  »View Author Affiliations

Applied Optics, Vol. 44, Issue 8, pp. 1503-1511 (2005)

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The design, fabrication, and characterization of a one-dimensional photonic crystal optical filter that has a relatively narrow, flat-topped passband within a wide stop band and small angular sensitivity is presented. The filter is based on a one-dimensional photonic crystal structure that has multiple defects, facilitating simultaneous minimization of the angular sensitivity and optimization of the passband’s characteristics. We use epitaxially grown and selectively oxidized GaAs/AlxOy multilayers to achieve a high-index-contrast material system and incorporate the experimentally determined optical and material properties into the design of the device. A flat-topped bandpass filter with a bandwidth of 65 nm and a wide field of view of 50° is experimentally characterized and compared with the design predictions.

© 2005 Optical Society of America

OCIS Codes
(230.4170) Optical devices : Multilayers
(310.1860) Thin films : Deposition and fabrication
(310.6860) Thin films : Thin films, optical properties
(350.2460) Other areas of optics : Filters, interference

Original Manuscript: July 12, 2004
Revised Manuscript: November 3, 2004
Manuscript Accepted: November 8, 2004
Published: March 10, 2005

Chyong-Hua Chen, Kevin Tetz, Wataru Nakagawa, and Yeshaiahu Fainman, "Wide-field-of-view GaAs/AlxOy one-dimensional photonic crystal filter," Appl. Opt. 44, 1503-1511 (2005)

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