A Quantum Optical Microphone in the Audio Band

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

Frontiers in Optics + Laser Science 2021（2021）

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摘要

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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关键词

quantum optical microphone,band

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