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Dissipatively Controlled Optomechanical Interaction via Cascaded Photon-Phonon Coupling.
Zhen Shen1,2, Yan-Lei Zhang1,2, Chang-Ling Zou1,2
1CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei 230026, People's Republic of China.
Physical Review Letters
|May 7, 2021
Summary
Researchers engineered optical mode linewidths using ancillary mechanical modes and stimulated backward Brillouin scattering. This dissipation engineering controls optomechanical cooling and amplification, advancing quantum device performance.
Area of Science:
- Quantum optics
- Optomechanics
- Materials science
Background:
- Optomechanical systems couple light and mechanical motion.
- Controlling optical mode properties is crucial for quantum technologies.
- Dissipation engineering offers a pathway to tailor system dynamics.
Purpose of the Study:
- To engineer the optical density of state in an optomechanical system.
- To control the effective linewidth of the optical mode.
- To manipulate optomechanical cooling and amplification.
Main Methods:
- Experimental introduction of an ancillary mechanical mode with a high decay rate.
- Utilizing stimulated backward Brillouin scattering for dissipation engineering.
- Cascaded photon-phonon coupling to manage mechanical interactions.
Main Results:
- Achieved a one-order-of-magnitude control over the optical mode linewidth.
- Demonstrated enhancement and suppression of optomechanical cooling.
- Showcased tunable optomechanical amplification.
Conclusions:
- Dissipation engineering via ancillary modes provides precise control over optomechanical interactions.
- The scheme enables novel approaches for coherent light-matter interaction in hybrid systems.
- This method promotes the performance of advanced quantum devices.
