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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 10 — May. 15, 2007
  • pp: 1284–1286

Intracavity terahertz-wave generation in a synchronously pumped optical parametric oscillator using quasi-phase-matched GaAs

J. E. Schaar, K. L. Vodopyanov, and M. M. Fejer  »View Author Affiliations

Optics Letters, Vol. 32, Issue 10, pp. 1284-1286 (2007)

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We generated 1 mW of average output power at 2.8 THz (bandwidth of 300 GHz ) in a diffraction-limited beam by placing a 6 - mm -long quasi-phase-matched GaAs crystal inside the cavity of a synchronously pumped optical parametric oscillator (OPO). The OPO used type-II-phase-matched periodically poled lithium niobate as a gain medium and was pumped by a mode-locked laser at 1064 nm , with a 7 ps pulse duration, 50 MHz repetition rate, and 10 W average output power. The terahertz radiation was generated by difference frequency mixing between the signal and idler waves of the near-degenerate doubly resonant OPO.

© 2007 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(190.7070) Nonlinear optics : Two-wave mixing

ToC Category:
Nonlinear Optics

Original Manuscript: December 13, 2006
Revised Manuscript: February 15, 2007
Manuscript Accepted: February 19, 2007
Published: April 17, 2007

J. E. Schaar, K. L. Vodopyanov, and M. M. Fejer, "Intracavity terahertz-wave generation in a synchronously pumped optical parametric oscillator using quasi-phase-matched GaAs," Opt. Lett. 32, 1284-1286 (2007)

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