Abstract
Orientation-patterned gallium phosphide [1] (OPGaP) is a wide-bandgap material enabling two-photonabsorption-free pumping using 1040-nm Yb-lasers, and such OPGaP optical parametric oscillators (OPOs) have been applied in Fourier-transform [2] and dual-comb [3] spectroscopies across the 5-12-m molecular fingerprint region. Hetero-epitaxial growth of GaP on orientation-patterned gallium arsenide (OPGaAs) templates has been developed [4] , to mitigate issues with GaP substrates, but no nonlinear frequency conversion has yet been demonstrated. Here we report the first efficient frequency conversion in OPGaP-on-OPGaAs. OPGaP layers up to 1.2-mm thick were grown by hydride vapor-phase epitaxy (HVPE) on a 3-inch MBE-grown OPGaAs template. Several multi-grating and fan-out crystals of lengths 1.1 mm and 2.9 mm were diced from the wafer and polished into plane-parallel chips, and a broadband anti-reflection coating was applied to both faces.
| Original language | English |
|---|---|
| Title of host publication | 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) |
| Publisher | IEEE |
| ISBN (Electronic) | 9781665418768 |
| DOIs | |
| Publication status | Published - 30 Sept 2021 |
| Event | 2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference - Munich, Germany Duration: 21 Jun 2021 → 25 Jun 2021 |
Conference
| Conference | 2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference |
|---|---|
| Abbreviated title | CLEO/Europe-EQEC 2021 |
| Country/Territory | Germany |
| City | Munich |
| Period | 21/06/21 → 25/06/21 |
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
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