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

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We explore a method for laser cooling and optical detection of excitations in a room temperature 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 electromechanical coupling. Conditions for improved sensitivity and quantum limited readout of electrical signals with such an “optical loud speaker” are outlined.
Original languageEnglish
JournalPhysical Review Letters
Issue number27
Pages (from-to)273601
Number of pages5
Publication statusPublished - 27 Dec 2011

ID: 36018251