Title

Route to ponderomotive entanglement of light via optically trapped mirrors

Document Type

Article

Publication Date

9-30-2008

Abstract

The radiation pressure of two laser beams detuned from resonance in an optical cavity can create a stable optical trap for a mechanical oscillation mode of a movable cavity mirror. Here it is shown that such a configuration entangles the output light fields via interaction with a mirror that is suspended as a pendulum. The degree of entanglement is quantified spectrally using the logarithmic negativity, and related to the available optical restoring force. Entanglement survives in the experimentally accessible regime of gram-scale masses subject to thermal noise at room temperature. © IOP Publishing Ltd and Deutsche Physikalische Gesellschaft.

Publication Source (Journal or Book title)

New Journal of Physics

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