Modelling Dispersion Compensation in a Cascaded-Fiber-Feedback Optical Parametric Oscillator

Ewan Allan, Craig Ballantine, Sebastian C. Robarts, David Bajek, Richard A. McCracken (Lead / Corresponding author)

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Fiber-feedback optical parametric oscillators (OPOs) incorporate intracavity fibers to provide a compact high-energy wavelength-tunable laser platform; however, dispersive effects can limit operation to the sub-picosecond regime. In this research article, we modeled pulse propagation through systems of cascaded fibers, incorporating SMF-28 and ultra-high numerical aperture (UHNA) fibers with complementary second-order dispersion coefficients. We found that the pulse duration upon exiting the fiber system is dominated by uncompensated third-order effects, with UHNA7 presenting the best opportunity to realise a cascaded-fiber-feedback OPO.
Original languageEnglish
Pages (from-to)96-102
Number of pages7
Issue number2
Publication statusPublished - 28 May 2021


  • fiber dispersion
  • nonlinear optics
  • optical parametric oscillators


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