Reservoir engineering and dynamical phase transitions in optomechanical arrays

Tomadin, Andrea and Diehl, S. and Lukin, M. D. and Rabl, P. and Zoller, P. (2012) Reservoir engineering and dynamical phase transitions in optomechanical arrays. Physical review a, 86 (3). ISSN 1050-2947

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We study the driven-dissipative dynamics of photons interacting with an array of micromechanical membranes in an optical cavity. Periodic membrane driving and phonon creation result in an effective photon-number-conserving nonunitary dynamics, which features a steady state with long-range photonic coherence. If the leakage of photons out of the cavity is counteracted by incoherent driving of the photonic modes, we show that the system undergoes a dynamical phase transition to the state with long-range coherence. A minimal system, composed of two micromechanical membranes in a cavity, is studied in detail, and it is shown to be a realistic setup where the key processes of the driven-dissipative dynamics can be seen.

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Journal Article
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Physical review a
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22 Nov 2018 10:00
Last Modified:
22 Nov 2022 06:42