Thermometry of an optically levitated nanodiamond

• URL: http://arxiv.org/abs/2205.11871v1
• Date: Tue, 24 May 2022 07:43:11 GMT
• Title: Thermometry of an optically levitated nanodiamond
• Authors: Fran\c{c}ois Rivi\`ere, Timoth\'ee de Guillebon, L\'eo Maumet, Gabriel H\'etet, Martin Schmidt, Jean-S\'ebastien Lauret, and Lo\"ic Rondin
• Abstract summary: We characterize the absorption of single nanodiamonds using the spin properties of nitrogen-vacancy centers in levitated diamond. Our work opens the way to diamond materials optimization for levitation quantum experiments.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Using the spin properties of nitrogen-vacancy (NV) centers in levitated diamond, we characterize the absorption of single nanodiamonds. We first calibrate the thermometry response of the NV centers embedded in our nanodiamonds. Then, using this calibration, we estimate the absorption cross-section of single levitated nanodiamonds. We show that this absorption is extrinsic and dominated by volumic effects. Our work opens the way to diamond materials optimization for levitation quantum experiments. It also demonstrates optical levitation as a unique platform to characterize material thermal properties at the nanoparticle level.

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