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Squeezed light in an optical parametric oscillator network with coherent feedback quantum control.

Authors
  • Crisafulli, Orion
  • Tezak, Nikolas
  • Soh, Daniel B S
  • Armen, Michael A
  • Mabuchi, Hideo
Type
Published Article
Journal
Optics Express
Publisher
The Optical Society
Publication Date
Jul 29, 2013
Volume
21
Issue
15
Pages
18371–18386
Identifiers
DOI: 10.1364/OE.21.018371
PMID: 23938709
Source
Medline
License
Unknown

Abstract

We present squeezing and anti-squeezing spectra of the output from a degenerate optical parametric oscillator (OPO) network arranged in different coherent quantum feedback configurations. One OPO serves as a quantum plant, the other as a quantum controller. The addition of coherent feedback enables shaping of the output squeezing spectrum of the plant, and is found to be capable of pushing the frequency of maximum squeezing away from the optical driving frequency and broadening the spectrum over a wider frequency band. The experimental results are in excellent agreement with the developed theory, and illustrate the use of coherent quantum feedback to engineer the quantum-optical properties of the plant OPO output.

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