Theory of self-phase-locked optical parametric oscillators

J.-J. Zondy, A. Douillet, A. Tallet, E. Ressayre, and M. Le Berre
Phys. Rev. A 63, 023814 – Published 17 January 2001
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Abstract

The plane-wave dynamics of 3ω2ω,ω subharmonic optical parametric oscillators containing a second-harmonic generator of the idler-wave ω is analyzed analytically by using the mean-field approximation and numerically by taking into account the field propagation inside the media. The resonant χ(2)(3ω;2ω,ω):χ(2)(2ω;ω,ω) cascaded second-order nonlinearities induce a mutual injection locking of the signal and idler waves that leads to coherent self-phase locking of the pump and subharmonic waves, freezing the phase diffusion noise. In case of signal-and-idler resonant devices, largely detuned subthreshold states occur due to a subcritical bifurcation, broadening out the self-locking frequency range to a few cavity linewidths.

  • Received 18 July 2000

DOI:https://doi.org/10.1103/PhysRevA.63.023814

©2001 American Physical Society

Authors & Affiliations

J.-J. Zondy and A. Douillet

  • Laboratoire Primaire du Temps et des Fréquences, Bureau National de Métrologie/Observatoire de Paris, 61 Avenue de l’Observatoire, F-75014 Paris, France

A. Tallet, E. Ressayre, and M. Le Berre

  • Laboratoire de Photophysique Moléculaire, Bâtiment 210, Université de Paris–Sud, 91405, Orsay Cedex, France

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Vol. 63, Iss. 2 — February 2001

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