Dissipative phase transitions in optomechanical systems

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We show that optomechanical quantum systems can undergo dissipative phase transitions within the limit of small nonlinear interaction and strong external drive. In such a defined thermodynamical limit, the nonlinear interaction stabilizes optomechanical dynamics in strong and ultrastrong coupling regimes. As a consequence optomechanical systems possess a rich phase diagram consisting of periodic orbits, discontinuous, and continuous dissipative phase transitions with and without bifurcation. We also find a critical point where continuous and discontinuous dissipative phase transition lines meet. Our analysis demonstrates that optomechanical systems are valuable for understanding the rich physics of dissipative phase transitions and ultrastrong coupling regimes.
Original languageEnglish
Article number053505
Number of pages8
JournalPhysical Review A
Issue number5
Publication statusPublished - 8 May 2023

Austrian Fields of Science 2012

  • 103026 Quantum optics


  • quant-ph

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