Reduced photothermal heating in diamonds enriched with H3 point defects

Chaman Gupta; Anupum Pant; Xiaojing Xia; Greg Felsted; Katharina Senkalla; Scott T. Dunham; Fedor Jelezko; Peter J. Pauzauskie

doi:10.1117/12.2610033

9 March 2022 Reduced photothermal heating in diamonds enriched with H3 point defects

Chaman Gupta, Anupum Pant, Xiaojing Xia, Greg Felsted, Katharina Senkalla, Scott T. Dunham, Fedor Jelezko, Peter J. Pauzauskie

Author Affiliations +

Proceedings Volume PC12018, Photonic Heat Engines: Science and Applications IV; PC1201807 (2022) https://doi.org/10.1117/12.2610033
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

The H3 center in diamond has been shown to exhibit several promising characteristics for laser cooling applications including a neutral charge state, high radiative quantum yield, and efficient anti-Stokes photoluminescence. In this work, we show that upon excitation with a 532 nm laser, bulk diamond crystals doped with H3 centers emit efficient up-conversion photoluminescence and also show significantly reduced photothermal heating relative to crystals doped with NV centers. These results encourage future exploration of techniques for H3 enrichment in diamonds at high-pressure, high-temperature conditions for the simultaneous anti-Stokes fluorescence cooling and radiation balanced lasing in semiconductor materials.

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Citation Download Citation

Chaman Gupta, Anupum Pant, Xiaojing Xia, Greg Felsted, Katharina Senkalla, Scott T. Dunham, Fedor Jelezko, and Peter J. Pauzauskie "Reduced photothermal heating in diamonds enriched with H3 point defects", Proc. SPIE PC12018, Photonic Heat Engines: Science and Applications IV, PC1201807 (9 March 2022); https://doi.org/10.1117/12.2610033

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