Infrared absorption band and vibronic structure of the nitrogen-vacancy center in diamond

Negatively charged nitrogen-vacancy (NV super(-)) color centers in diamond have generated much interest for use in quantum technology. Despite the progress made in developing their applications, many questions about the basic properties of NV super(-) centers remain unresolved. Understanding these p...

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Bibliographic Details
Published in:Physical review. B, Condensed matter and materials physics Condensed matter and materials physics, 2013-10, Vol.88 (16), Article 165202
Main Authors: Kehayias, P., Doherty, M. W., English, D., Fischer, R., Jarmola, A., Jensen, K., Leefer, N., Hemmer, P., Manson, N. B., Budker, D.
Format: Article
Language:English
Subjects:
Color centers
Condensed matter
Diamonds
Electron states
Electronics
Infrared absorption
Optical pumping
Phonons
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Summary:Negatively charged nitrogen-vacancy (NV super(-)) color centers in diamond have generated much interest for use in quantum technology. Despite the progress made in developing their applications, many questions about the basic properties of NV super(-) centers remain unresolved. Understanding these properties can validate theoretical models of NV super(-), improve their use in applications, and support their development into competitive quantum devices. In particular, knowledge of the phonon modes of the super(1) A sub(1) electronic state is key for understanding the optical pumping process. Using pump-probe spectroscopy, we measured the phonon sideband of the super(1) E arrow right super(1) A sub(1) electronic transition in the NV super(-) center. From this we calculated the super(1) E arrow right super(1) A sub(1) one-phonon absorption spectrum and found it to differ from that of the super(3) E arrow right super(3) A sub(2) transition, a result which is not anticipated by previous group-theoretical models of the NV super(-) electronic states. We identified a high-energy 169-meV localized phonon mode of the super(1) A sub(1) level.
ISSN:1098-0121
1550-235X
DOI:10.1103/PhysRevB.88.165202