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Enhanced nonlinear interactions in quantum optomechanics via mechanical amplification
Marc-Antoine Lemonde1, Nicolas Didier1,2, Aashish A Clerk1
1Department of Physics, McGill University, 3600 rue University, Montreal, Quebec, Canada H3A 2T8.
Nature Communications
|April 26, 2016
Summary
Researchers enhanced single-photon optomechanical coupling strength using a parametric drive. This breakthrough enables new possibilities in quantum nonlinear optomechanics and photonic state generation.
Area of Science:
- Quantum physics
- Optomechanics
Background:
- The quantum nonlinear regime of optomechanics is challenging to achieve experimentally.
- It requires overcoming limitations in single-photon coupling strength.
Purpose of the Study:
- To exponentially enhance single-photon optomechanical coupling strength.
- To enable new applications in quantum nonlinear optomechanics.
Main Methods:
- Utilizing a large-amplitude, strongly detuned mechanical parametric drive.
- Amplifying mechanical zero-point fluctuations to boost radiation pressure interaction.
Main Results:
- Achieved exponential enhancement of single-photon optomechanical coupling.
- Demonstrated photon blockade and production of negative Wigner function states in a two-cavity system.
- Enabled time-dependent control for pulsed schemes.
Conclusions:
- The proposed method offers a pathway to the quantum nonlinear regime of optomechanics.
- It provides a general strategy for enhancing boson-mediated interactions and nonlinearities.
