A Quantum Optical Microphone in the Audio Band

Nold, Raphael; Babin, Charles; Schmidt, Joel; Linkewitz, Tobias; Pérez, María Cecilia; Stöhr, Zaballos Rainer; Kolesov, Roman; Vorobev, V. I.; Lukin, Daniil M.; Boppert, Rüdiger; Barz, Stefanie; Vučković, Jelena; Gebhardt, Christof; Kaiser, Florian; Wrachtrup, Jörg

doi:10.1364/fio.2021.fm5e.4

Frontiers in Optics + Laser Science 2021 2021

DOI: 10.1364/fio.2021.fm5e.4

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A Quantum Optical Microphone in the Audio Band

Raphael Nold

Charles Babin

Joel Schmidt

et al.

Abstract: We demonstrate a sub-shot noise quantum optical sensor combining path entan- glement and standard intensity detection. Exploiting our exceptionally high sampling rates (100 kHz), we implement an optical microphone, allowing humans to hear the quantum advantage.

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A Quantum Optical Microphone in the Audio Band

Abstract: We demonstrate a sub-shot noise quantum optical sensor combining path entan- glement and standard intensity detection. Exploiting our exceptionally high sampling rates (100 kHz), we implement an optical microphone, allowing humans to hear the quantum advantage.

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References 6 publications

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