Route to ponderomotive entanglement of light via optically trapped mirrors
作者： Christopher Wipf , Thomas Corbitt , Yanbei Chen , Nergis Mavalvala
DOI: 10.1088/1367-2630/10/9/095017
关键词: Optical cavity 、 Oscillation 、 Optics 、 Restoring force 、 Resonance 、 Pendulum 、 Trap (computing) 、 Quantum entanglement 、 Radiation pressure 、 Physics
摘要: The radiation pressure of two laser beams detuned from resonance in an optical cavity can create a stable trap for mechanical oscillation mode movable mirror. Here it is shown that such configuration entangles the output light fields via interaction with mirror suspended as pendulum. degree entanglement quantified spectrally using logarithmic negativity, and related to available restoring force. Entanglement survives experimentally accessible regime gram-scale masses subject thermal noise at room temperature.
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