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High conversion efficiency fiber optical parametric oscillator.

Y Q Xu1, S G Murdoch

  • 1Physics Department, University of Auckland, Private Bag 92019, Auckland, New Zealand. yxu079@aucklanduni.ac.nz

Optics Letters
|November 4, 2011
PubMed
Summary
This summary is machine-generated.

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We developed a fiber parametric oscillator achieving over 93% conversion efficiency. Detuning an intracavity filter significantly boosts efficiency beyond phase-matching limits.

Area of Science:

  • Nonlinear optics
  • Fiber optics

Background:

  • Parametric oscillators are crucial for generating new frequencies.
  • Achieving high conversion efficiency is a key challenge in nonlinear optics.

Purpose of the Study:

  • To demonstrate a high-efficiency fiber parametric oscillator.
  • To investigate the effect of intracavity filtering on conversion efficiency.

Main Methods:

  • Utilized a nonlinear fiber with third-order nonlinearity (χ(3)).
  • Incorporated an intracavity filter detuned from the phase-matched frequency.
  • Measured pump-to-sideband conversion efficiency.

Main Results:

  • Achieved high conversion efficiency from pump to Stokes and anti-Stokes sidebands.

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  • Demonstrated significantly enhanced conversion efficiencies by detuning the intracavity filter.
  • Obtained a total internal conversion efficiency exceeding 93%.

    • Conclusions:

    • Detuning the intracavity filter is an effective method to surpass phase-matched conversion limits.
    • The developed fiber parametric oscillator offers a pathway to highly efficient parametric processes.