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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 21 — Nov. 1, 2008
  • pp: 2416–2418

Integrated terahertz source based on three-wave mixing of whispering-gallery modes

Alessio Andronico, Julien Claudon, Jean-Michel Gérard, Vincent Berger, and Giuseppe Leo  »View Author Affiliations


Optics Letters, Vol. 33, Issue 21, pp. 2416-2418 (2008)
http://dx.doi.org/10.1364/OL.33.002416


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Abstract

We propose an integrated terahertz emitter operating at room temperature between 2.4 and 6 THz . Based on difference-frequency generation in a triply resonant Au Al As Ga As Al As Au microcylinder, this nonlinear source is pumped by two near-IR whispering-gallery modes that are excited by InAs quantum dots embedded in the resonator. In the vertical direction, these pump modes are due to total internal reflection at Ga As Al As interfaces, while the terahertz mode is confined between the metallic layers. This parametric source offers potential advantages with respect to existing terahertz sources for spectroscopic applications, such as room-temperature operation and electrical pumping.

© 2008 Optical Society of America

OCIS Codes
(130.4310) Integrated optics : Nonlinear
(190.0190) Nonlinear optics : Nonlinear optics
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes

ToC Category:
Nonlinear Optics

History
Original Manuscript: July 24, 2008
Revised Manuscript: September 12, 2008
Manuscript Accepted: September 12, 2008
Published: October 17, 2008

Citation
Alessio Andronico, Julien Claudon, Jean-Michel Gérard, Vincent Berger, and Giuseppe Leo, "Integrated terahertz source based on three-wave mixing of whispering-gallery modes," Opt. Lett. 33, 2416-2418 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-21-2416

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