Continuous wavelength tuning from 39–12 µm from an optical parametric oscillator based on orientation-patterned GaP grown on GaAs

Peter G. Schunemann, Kerr Johnson, Carl Farrell, Luke Maidment, Yiwen Shi, Marius Rutkauskas, Derryck Telford Reid

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Abstract

We report for the frst time nonlinear frequency conversion—specifcally optical parametric oscillation—in OP-GaP layers grown by hydride vapor-phase epitaxy on 3-inch OP-GaAs templates. Continuous tuning with wavelength coverage from 3.9–12 µm was achieved by using stepped and fan-out gratings having periods from 18.0–35.2 µm, which propagated 150 µm of a 1.2-mm-thick layer before overgrowth. Anti-refection-coated OP-GaP crystals were pumped at 1040 nm with an ultrafast Yb-fber laser, yielding idler output powers up to 150 mW (60 mW) in spectra centered at a wavelength of 5.6 µm (10.7 µm).

Original languageEnglish
Pages (from-to)654-663
Number of pages10
JournalOptical Materials Express
Volume11
Issue number3
Early online date5 Feb 2021
DOIs
Publication statusPublished - 1 Mar 2021

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

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