Modulation of charge state dynamics of nitrogen vacancy centers induced by the local density of optical states

Sachin Sharma; Rajesh V. Nair

doi:10.1117/12.2567509

20 August 2020 Modulation of charge state dynamics of nitrogen vacancy centers induced by the local density of optical states

Sachin Sharma, Rajesh V. Nair

Author Affiliations +

Proceedings Volume 11471, Quantum Nanophotonic Materials, Devices, and Systems 2020; 114710V (2020) https://doi.org/10.1117/12.2567509
Event: SPIE Nanoscience + Engineering, 2020, Online Only

Abstract

We study the effect of charge state conversion of nitrogen vacancy (NV) centers on the local density of states (LDOS) induced modifications in emission lifetime. The pump-dependent decay rates reveal two power regimes according to the dominance of photoionization of NV centers or the effect of LDOS. The extent of lifetime modification is achieved at low pump power, whereby the emission rate of zero phonon line is enhanced and the rate of phonon sideband emission is suppressed. At high pump power, the effect of modified emission rate is demeaned due to increased photoionization of NV centers.

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Sachin Sharma and Rajesh V. Nair "Modulation of charge state dynamics of nitrogen vacancy centers induced by the local density of optical states", Proc. SPIE 11471, Quantum Nanophotonic Materials, Devices, and Systems 2020, 114710V (20 August 2020); https://doi.org/10.1117/12.2567509

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