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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 29, Iss. 6 — Jun. 1, 2012
  • pp: 1194–1202

Temporal coherence in mirrorless optical parametric oscillators

Gustav Strömqvist, Valdas Pasiskevicius, Carlota Canalias, Pierre Aschieri, Antonio Picozzi, and Carlos Montes  »View Author Affiliations


JOSA B, Vol. 29, Issue 6, pp. 1194-1202 (2012)
http://dx.doi.org/10.1364/JOSAB.29.001194


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Abstract

One of the unique features of mirrorless optical parametric oscillators based on counterpropagating three-wave interactions is the narrow spectral width of the wave generated in the backward direction. In this work, we investigate experimentally and numerically the influence that a strong phase modulation in the pump has on the spectral bandwidths of the parametric waves and on the efficiency of the nonlinear interaction. The effects of group-velocity mismatch and group-velocity dispersion are elucidated. In particular, it is shown that the substantial increase in temporal coherence of the backward-generated wave can be obtained even for pumping with a temporally incoherent pump. A configuration of a mirrorless optical parametric oscillator is proposed where this gain in spectral coherence is maximized without a penalty in conversion efficiency by employing group-velocity matching of the pump and the forward-generated parametric wave.

© 2012 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(230.4320) Optical devices : Nonlinear optical devices

ToC Category:
Nonlinear Optics

History
Original Manuscript: November 28, 2011
Revised Manuscript: February 8, 2012
Manuscript Accepted: February 16, 2012
Published: May 9, 2012

Citation
Gustav Strömqvist, Valdas Pasiskevicius, Carlota Canalias, Pierre Aschieri, Antonio Picozzi, and Carlos Montes, "Temporal coherence in mirrorless optical parametric oscillators," J. Opt. Soc. Am. B 29, 1194-1202 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-6-1194


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References

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