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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 13 — Jul. 1, 2009
  • pp: 2036–2038

Normal incidence detection of ultraviolet, visible, and mid-infrared radiation in a single GaAs/AlGaAs device

G. Ariyawansa, P. V. V. Jayaweera, A. G. U. Perera, S. G. Matsik, M. Buchanan, Z. R. Wasilewski, and H. C. Liu  »View Author Affiliations


Optics Letters, Vol. 34, Issue 13, pp. 2036-2038 (2009)
http://dx.doi.org/10.1364/OL.34.002036


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Abstract

A GaAs/AlGaAs detector is demonstrated showing multiple detection capabilities. This detector exhibits a broad spectral response in the 200–870 nm (ultraviolet–visible) range for forward bias and in the 590–870 nm (visible) range for reverse bias. In the mid-IR region, two peaks at 5 and 8.9 μ m can be observed for low and high forward bias voltages, respectively. In addition, the peak at 8.9 μ m is sensitive to the polarization of the incoming radiation.

© 2009 Optical Society of America

OCIS Codes
(040.3060) Detectors : Infrared
(040.5160) Detectors : Photodetectors
(040.7190) Detectors : Ultraviolet
(230.0040) Optical devices : Detectors
(230.0250) Optical devices : Optoelectronics
(250.0040) Optoelectronics : Detectors

ToC Category:
Optoelectronics

History
Original Manuscript: March 27, 2009
Revised Manuscript: May 12, 2009
Manuscript Accepted: May 15, 2009
Published: June 29, 2009

Citation
G. Ariyawansa, P. V. V. Jayaweera, A. G. U. Perera, S. G. Matsik, M. Buchanan, Z. R. Wasilewski, and H. C. Liu, "Normal incidence detection of ultraviolet, visible, and mid-infrared radiation in a single GaAs/AlGaAs device," Opt. Lett. 34, 2036-2038 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-13-2036

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