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Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

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Published on: May 30, 2014

Pulsed quantum optomechanics.

M R Vanner¹, I Pikovski, G D Cole

¹Vienna Center for Quantum Science and Technology, Faculty of Physics, University of Vienna, Boltzmanngasse 5, A-1090 Vienna, Austria.

Proceedings of the National Academy of Sciences of the United States of America

|September 9, 2011

Summary

This summary is machine-generated.

Researchers propose a new method for quantum state tomography and purification of mechanical resonators using optical pulses. This technique enables the observation of quantum mechanical behavior in macroscopic systems, even from thermal states.

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Area of Science:

Quantum mechanics
Macroscopic quantum phenomena
Optomechanics

Background:

Studying quantum mechanical behavior in macroscopic systems is challenging.
Quantum state preparation and reconstruction of mechanical oscillators are significant hurdles.

Purpose of the Study:

To propose a scheme for quantum state tomography, squeezing, and purification of mechanical resonators.
To enable observation of quantum features in macroscopic mechanical oscillators.

Main Methods:

Utilizing short optical pulses to interact with mechanical resonators.
Employing optical microcavities for experimental feasibility.

Main Results:

The proposed scheme allows for quantum state tomography, squeezing, and purification.
Demonstrates the observation of mechanical quantum features from a thermal state.
Shown to be experimentally feasible using optical microcavities.

Conclusions:

The framework offers a promising approach to explore the quantum nature of massive mechanical oscillators.
The method can be extended to other quantum systems like trapped ions.