Solid-state laser refrigeration of semiconductors remains an outstanding experimental challenge. In this work, we show that, following excitation with a laser wavelength of 532 nm, bulk diamond crystals doped with H3 centers both emit efficient up-conversion (anti-Stokes) photoluminescence and also show significantly reduced photothermal heating relative to crystals doped with nitrogen–vacancy (NV) centers. The H3 center in diamond is a highly photostable defect that avoids bleaching at high laser irradiances of 10–70 MW/cm and has been shown to exhibit laser action, tunable over the visible band of 500–600 nm. The observed reduction of photothermal heating arises due to a decrease in the concentration of absorbing point defects, including NV-centers. These results encourage future exploration of techniques for H3 enrichment in diamonds under high-pressure, high-temperature conditions for the simultaneous anti-Stokes fluorescence cooling and radiation balanced lasing in semiconductor materials. Reducing photothermal heating in diamond through the formation of H3 centers also opens up new possibilities in quantum sensing via optically detected magnetic resonance spectroscopy at ambient conditions.
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21 June 2022
Research Article|
June 16 2022
Reduced photothermal heating in diamonds enriched with H3 point defects
Anupum Pant;
Anupum Pant
1
Department of Materials Science and Engineering, University of Washington
, Seattle, Washington 98195, USA
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Chaman Gupta
;
Chaman Gupta
1
Department of Materials Science and Engineering, University of Washington
, Seattle, Washington 98195, USA
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Katharina Senkalla
;
Katharina Senkalla
2
Institute for Quantum Optics, Ulm University
, Albert-Einstein-Allee 11, 89081 Ulm, Germany
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Greg Felsted;
Greg Felsted
3
Department of Chemistry, University of Washington
, Seattle, Washington 98195, USA
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Xiaojing Xia;
Xiaojing Xia
4
Molecular Engineering & Sciences Institute, University of Washington
, Seattle, Washington 98195, USA
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Tobias Spohn;
Tobias Spohn
2
Institute for Quantum Optics, Ulm University
, Albert-Einstein-Allee 11, 89081 Ulm, Germany
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Scott T. Dunham;
Scott T. Dunham
5
Department of Electrical and Computer Engineering, University of Washington
, Seattle, Washington 98195, USA
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Fedor Jelezko;
Fedor Jelezko
2
Institute for Quantum Optics, Ulm University
, Albert-Einstein-Allee 11, 89081 Ulm, Germany
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Peter J. Pauzauskie
Peter J. Pauzauskie
a)
1
Department of Materials Science and Engineering, University of Washington
, Seattle, Washington 98195, USA
6
Physical & Computational Sciences Directorate, Pacific Northwest National Laboratory
, Richland, Washington 99354, USA
a)Author to whom correspondence should be addressed: peterpz@uw.edu
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a)Author to whom correspondence should be addressed: peterpz@uw.edu
J. Appl. Phys. 131, 234401 (2022)
Article history
Received:
March 08 2022
Accepted:
May 10 2022
Citation
Anupum Pant, Chaman Gupta, Katharina Senkalla, Greg Felsted, Xiaojing Xia, Tobias Spohn, Scott T. Dunham, Fedor Jelezko, Peter J. Pauzauskie; Reduced photothermal heating in diamonds enriched with H3 point defects. J. Appl. Phys. 21 June 2022; 131 (23): 234401. https://doi.org/10.1063/5.0090661
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