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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 20 — Oct. 15, 2007
  • pp: 2990–2992

Terahertz-wave generation in a conventional optical fiber

Koji Suizu and Kodo Kawase  »View Author Affiliations


Optics Letters, Vol. 32, Issue 20, pp. 2990-2992 (2007)
http://dx.doi.org/10.1364/OL.32.002990


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Abstract

We theoretically propose surface-emitted and collinear phase-matched terahertz (THz)-wave generation in a conventional optical fiber. The third-order nonlinear effect, four-wave mixing (FWM), is used to generate THz waves in an optical fiber. Surface-emitted THz-wave generation via FWM is realized using a single-mode fiber. Perfect phase matching is obtained at 800 nm and 1.55 μ m pumping, and it follows that third-order polarization in an optical fiber has the same phase at any point. In this situation, the optical fiber acts like a phased array antenna of the THz wave. Collinear phase-matching THz waves are obtained under the same conditions as for surface-emitted THz waves, and the THz wave is propagated in the silica cladding of the optical fiber. This is a promising method for realizing a reasonable THz-wave source.

© 2007 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing

ToC Category:
Nonlinear Optics

History
Original Manuscript: June 18, 2007
Revised Manuscript: August 24, 2007
Manuscript Accepted: September 1, 2007
Published: October 9, 2007

Citation
Koji Suizu and Kodo Kawase, "Terahertz-wave generation in a conventional optical fiber," Opt. Lett. 32, 2990-2992 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-20-2990

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