Journal
LIGHT-SCIENCE & APPLICATIONS
Volume 4, Issue -, Pages -Publisher
SPRINGERNATURE
DOI: 10.1038/lsa.2015.3
Keywords
charge state; NV center; photon ionization; super-resolution microscopy
Categories
Funding
- National Basic Research Program of China [2011CB921200]
- Chinese Academy of Sciences [60921091]
- National Natural Science Foundation of China [11374290]
- Program for New Century Excellent Talents in University
- Fundamental Research Funds for the Central Universities
- Foundation for the Author of National Excellent Doctoral Dissertation of China
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As a potential candidate for quantum computation and metrology, the nitrogen vacancy (NV) center in diamond presents both challenges and opportunities resulting from charge-state conversion. By utilizing different lasers for the photon-induced charge-state conversion, we achieved subdiffraction charge-state manipulation. The charge-state depletion (CSD) microscopy resolution was improved to 4.1 nm by optimizing the laser pulse sequences. Subsequently, the electron spin-state dynamics of adjacent NV centers were selectively detected via the CSD. The experimental results demonstrated that the CSD can improve the spatial resolution of the measurement of NV centers for nanoscale sensing and quantum information.
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