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A squeezed light source operated under high vacuum.

Andrew R Wade¹, Georgia L Mansell¹, Sheon S Y Chua^1,2

¹Centre for Gravitational Physics, Department of Quantum Science, The Australian National University, Canberra, 2601, Australia.

Scientific Reports

|December 15, 2015

Summary

This summary is machine-generated.

Researchers developed a new vacuum-compatible source for non-classical squeezed light, crucial for quantum optics and metrology. This advancement enables robust quantum technologies in extreme environments.

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Area of Science:

Quantum Optics
Non-linear Photonics
Metrology

Background:

Non-classical squeezed states of light are vital for quantum optics applications like cryptography, quantum computation, and biophysics.
Future applications, including gravitational wave detection and space-based quantum networks, necessitate robust, vacuum-compatible light sources.

Purpose of the Study:

To demonstrate the production of non-classical squeezed light under high-vacuum conditions.
To develop a resonant non-linear optical device suitable for in-vacuum operation.

Main Methods:

Operated a resonant non-linear optical device under high-vacuum conditions.
Generated non-classical squeezed light and measured quantum noise reduction.

Main Results:

Achieved 8.6 dB of quantum noise reduction.
Demonstrated noise reduction down to 10 Hz.
Successfully produced non-classical squeezed light in a high-vacuum environment.

Conclusions:

The developed resonant device enables the generation of squeezed light under vacuum.
This technology paves the way for exploiting in-vacuum operations in extreme environments.
Facilitates the deployment of quantum technologies in space and other demanding applications.