Quantum sensing of nanophotonic spin density

Farid Kalhor; Li-Ping Yang; Leif Bauer; Zubin Jacob

doi:10.1117/12.2596116

2 August 2021 Quantum sensing of nanophotonic spin density

Farid Kalhor, Li-Ping Yang, Leif Bauer, Zubin Jacob

Proceedings Volume 11806, Quantum Nanophotonic Materials, Devices, and Systems 2021; 1180602 (2021) https://doi.org/10.1117/12.2596116
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States

Abstract

Photonic spin density (PSD) in the near-field gives rise to exotic phenomena such as photonic skyrmions, optical spin-momentum locking and unidirectional topological edge waves. Experimental investigation of these phenomena requires a nanoscale probe that directly interacts with PSD. Here, we propose and demonstrate that the nitrogen-vacancy (NV) center in diamond can be used as a quantum sensor for detecting the spinning nature of photons. This room temperature magnetometer can measure the local polarization of light in ultra-subwavelength volumes through photon-spin-induced virtual transitions. The direct detection of light's spin density at the nanoscale using NV centers in diamond opens a new frontier for studying exotic phases of photons as well as future on-chip applications.

Conference Presentation

Citation Download Citation

Farid Kalhor, Li-Ping Yang, Leif Bauer, and Zubin Jacob "Quantum sensing of nanophotonic spin density", Proc. SPIE 11806, Quantum Nanophotonic Materials, Devices, and Systems 2021, 1180602 (2 August 2021); https://doi.org/10.1117/12.2596116

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