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Journal Article

Gain-tunable optomechanical cooling in a laser cavity

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Faez,  Sanli
Sandoghdar Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Marquardt,  Florian
Marquardt Group, Associated Groups, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Ge, L., Faez, S., Marquardt, F., & Tuereci, H. E. (2013). Gain-tunable optomechanical cooling in a laser cavity. PHYSICAL REVIEW A, 87(5): 053839. doi:10.1103/PhysRevA.87.053839.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-676B-E
Abstract
We study the optical cooling of the cavity mirror in an active laser cavity. We find that the optical damping rate is vanishingly small for an incoherently pumped laser above threshold. In the presence of an additional external coherent drive however, the optical damping rate can be enhanced substantially with respect to that of a passive cavity. We show that the strength of the incoherent pump provides the means to tune the optical damping rate and the steady state phonon number. The system is found to undergo a transition from the weak optomechanical coupling regime to the strong optomechanical coupling regime as the strength of the incoherent pump is varied.