Laser cooling and optical detection of excitations in a LC electrical circuit

Details Laser cooling and optical detection of excitations in a LC electrical circuit Laser cooling and optical detection of excitations in a LC electrical circuit

2011-08-09

arxiv.org/abs/1108.2035v1

Physics

Quantum Physics

5 pages, 2 figures

Scientific paper

We explore a method for laser cooling and optical detection of excitations in a LC electrical circuit. Our approach uses a nanomechanical oscillator as a transducer between optical and electronic excitations. An experimentally feasible system with the oscillator capacitively coupled to the LC and at the same time interacting with light via an optomechanical force is shown to provide strong electro-mechanical coupling. Conditions for improved sensitivity and quantum limited readout of electrical signals with such an "optical loud speaker" are outlined.

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