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Reconfigurable long-range phonon dynamics in optomechanical arrays
André Xuereb1, Claudiu Genes2, Guido Pupillo3
1Department of Physics, University of Malta, Msida MSD 2080, Malta and Centre for Theoretical Atomic, Molecular and Optical Physics, School of Mathematics and Physics, Queen's University Belfast, Belfast BT7 1NN, United Kingdom.
Physical Review Letters
|April 22, 2014
Summary
We demonstrate tunable long-range interactions in optomechanical arrays, enabling control over phonon dynamics and excitation transfer. This research opens new avenues for quantum simulations and engineered heat flow.
Area of Science:
- Quantum optics and optomechanics
- Condensed matter physics
- Nanoscale systems
Background:
- Optomechanical arrays offer a platform for studying light-matter interactions.
- Understanding and controlling many-body phonon dynamics is crucial for quantum technologies.
- Engineering interactions between mechanical modes is a key challenge.
Purpose of the Study:
- To investigate periodic optomechanical arrays for reconfigurable coupling.
- To explore many-body phonon dynamics and engineered interactions.
- To enable controlled phononic walks and coherent excitation transfer.
Main Methods:
- Utilizing structural resonances in optomechanical coupling.
- Engineering light field and collective motional mode interactions.
- Developing tunable effective long-range interactions between mechanical modes.
Main Results:
- Achieved tunable effective long-range interactions between mechanical modes.
- Demonstrated the potential for controlled phononic walks on graphs.
- Showcased possibilities for engineered heat transfer and coherent excitation transfer.
Conclusions:
- Periodic optomechanical arrays are versatile platforms for quantum simulations.
- Tunable long-range interactions are key to controlling phonon dynamics.
- This work facilitates advancements in quantum information processing and thermal management.
