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Updated: May 29, 2026

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
09:23

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

Ultra-broadband pulse evolution in optical parametric oscillators.

Derryck T Reid1

  • 1Scottish Universities Physics Alliance (SUPA), Department of Physics, School of Engineering and Physical Sciences, Heriot-Watt University, Riccarton, Edinburgh, UK. D.T.Reid@hw.ac.uk

Optics Express
|September 22, 2011
PubMed
Summary

A new nonlinear-envelope-equation approach models ultrashort-pulse evolution in optical parametric oscillators (OPOs). This method accurately predicts OPO behaviors across broad bandwidths, even with multiple nonlinear processes.

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Last Updated: May 29, 2026

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
09:23

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

Area of Science:

  • Nonlinear optics
  • Quantum optics
  • Laser physics

Background:

  • Conventional models for optical parametric oscillators (OPOs) rely on fixed frequencies and single nonlinear processes.
  • These assumptions limit the accurate prediction of complex ultrashort-pulse dynamics within OPOs.

Purpose of the Study:

  • To develop and apply a nonlinear-envelope-equation approach for modeling ultrashort-pulse evolution in OPOs.
  • To overcome limitations of conventional methods by treating interacting waves as a single field.

Main Methods:

  • Utilized a nonlinear-envelope-equation approach.
  • Eliminated assumptions of fixed frequencies and single nonlinear (χ((2))) processes.
  • Modeled interacting waves as a single propagating field.

Main Results:

  • Successfully predicted experimentally-observed behaviors of singly and doubly-resonant OPOs.
  • Demonstrated accurate predictions across near-octave-spanning bandwidths.
  • Included scenarios with simultaneous phase-matching for multiple nonlinear processes within the crystal.

Conclusions:

  • The nonlinear-envelope-equation approach offers a more comprehensive model for ultrashort-pulse dynamics in OPOs.
  • This method enhances the predictive capability for OPOs operating with broad bandwidths and multiple nonlinear interactions.