Polarization study of single color centers in aluminum nitride

Color centers in wide-bandgap semiconductors are a promising class of solid-state quantum light source, many of which operate at room temperature. We examine a family of color centers in aluminum nitride, which emits close to 620 nm. We present a technique to rapidly map an ensemble of these single...

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Veröffentlicht in:Applied physics letters 2023-04, Vol.122 (17)
Hauptverfasser: Cannon, J. K., Bishop, S. G., Hadden, J. P., Yağcı, H. B., Bennett, A. J.
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Sprache:eng
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Zusammenfassung:Color centers in wide-bandgap semiconductors are a promising class of solid-state quantum light source, many of which operate at room temperature. We examine a family of color centers in aluminum nitride, which emits close to 620 nm. We present a technique to rapidly map an ensemble of these single photon emitters, identifying all emitters, not just those with absorption dipole parallel to the laser polarization. We demonstrate a fast technique to determine their absorption polarization orientation in the c-plane, finding they are uniformly distributed in orientation, in contrast to many other emitters in crystalline materials.
ISSN:0003-6951
1077-3118
DOI:10.1063/5.0145542