Ultrasensitive and broadband magnetometry with cavity optomechanics

Bei-Bei Li,Douglas Bulla,Jan Bilek,Varun Prakash,Stefan Forstner,Eoin Sheridan,Lars S. Madsen,Halina Rubinsztein-Dunlop,Scott Foster,Clemens Schäfermeier,Tobias Gehring,Ulrik L. Andersen,Warwick P. Bowen

Ultrasensitive and broadband magnetometry with cavity optomechanics

2017

Bei-Bei Li
Douglas Bulla
Jan Bilek
Varun Prakash
Stefan Forstner
Eoin Sheridan
Lars S. Madsen
Halina Rubinsztein-Dunlop
Scott Foster
Clemens Schäfermeier
Tobias Gehring
Ulrik L. Andersen
Warwick P. Bowen

We achieved sensitivity of 30 pT/Hz 1/2 and working bandwidth larger than 100 MHz, using cavity optomechanical magnetometry, and also demonstrated quantum light enhanced sensitivity in such a magnetometer.

Keywords:

Broadband
Optics
Optomechanics
Optoelectronics
Physics
Magnetometer
Nuclear magnetic resonance
Bandwidth (signal processing)
Quantum
enhanced sensitivity

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