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Optics Letters

Optics Letters


  • Vol. 23, Iss. 15 — Aug. 1, 1998
  • pp: 1167–1169

Walk-off and pattern selection in optical parametric oscillators

Marco Santagiustina, Pere Colet, Maxi San Miguel, and Daniel Walgraef  »View Author Affiliations

Optics Letters, Vol. 23, Issue 15, pp. 1167-1169 (1998)

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The effect of walk-off in pattern selection in optical parametric oscillators is theoretically examined. We show that a dynamic mechanism also allows us to observe the formation of structures for positive signal detunings. In this regime the pattern that is generated is a periodic array of kinks that separate regions in which one of two stable steady states is alternately selected. This structure can be regarded as a train of dark soliton stripes because the two solutions have opposite signs. The wavelength of the selected pattern is theoretically predicted, and the prediction agrees with the results of the numerical solutions of the equations governing the device.

© 1998 Optical Society of America

OCIS Codes
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4420) Nonlinear optics : Nonlinear optics, transverse effects in
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons

Marco Santagiustina, Pere Colet, Maxi San Miguel, and Daniel Walgraef, "Walk-off and pattern selection in optical parametric oscillators," Opt. Lett. 23, 1167-1169 (1998)

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