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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campilo
  • Vol. 32, Iss. 17 — Sep. 1, 2007
  • pp: 2466–2468

Exciton optoelectronic transistor

A. A. High, A. T. Hammack, L. V. Butov, M. Hanson, and A. C. Gossard  »View Author Affiliations


Optics Letters, Vol. 32, Issue 17, pp. 2466-2468 (2007)
http://dx.doi.org/10.1364/OL.32.002466


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Abstract

We demonstrate experimental proof of principle for an optoelectronic transistor based on the modulation of exciton flux via gate voltage. The exciton optoelectronic transistor (EXOT) implements electronic operation on photons by using excitons as intermediate media; the intensity of light emitted at the optical output is proportional to the intensity of light at the optical input and is controlled electronically by the gate. We demonstrate a contrast ratio of 30 between an on state and an off state of the EXOT and its operation at speeds greater than 1 GHz . Our studies also demonstrate high-speed control of both the flux and the potential energy of excitons on a time scale much shorter than the exciton lifetime.

© 2007 Optical Society of America

OCIS Codes
(200.3050) Optics in computing : Information processing
(250.3140) Optoelectronics : Integrated optoelectronic circuits

ToC Category:
Optoelectronics

History
Original Manuscript: April 5, 2007
Manuscript Accepted: July 6, 2007
Published: August 16, 2007

Citation
A. A. High, A. T. Hammack, L. V. Butov, M. Hanson, and A. C. Gossard, "Exciton optoelectronic transistor," Opt. Lett. 32, 2466-2468 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-17-2466

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