Development of a control scheme of homodyne detection for extracting ponderomotive squeezing from a Michelson interferometer

Shihori Sakata, Seiji Kawamura, Shuichi Sato, Kentaro Somiya, Koji Arai, Mitsuhiro Fukushima, Akio Sugamoto

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

We developed a control scheme of homodyne detection. To operate the homodyne detector as easy as possible, a simple Michelson interferometer is used. Here a motivation that the control scheme of the homodyne detection is developed is for our future experiment of extracting the ponderomotively squeezed vacuum fluctuations. To obtain the best signalto- noise ratio using the homodyne detection, the homodyne phase should be optimized. The optimization of the homodyne phase is performed by changing a phase of a local oscillator for the homodyne detection from a point at which a signal is maximized. In fact, in this experiment, using the developed control scheme, we locked the Michelson interferometer with the homodyne detector and changed the phase of the local oscillator for the homodyne detection. Then, we measured signals quantity changed by changing the phase of the local oscillator for the homodyne detection. Here we used the output from the homodyne detection as the signal.

Original languageEnglish
Pages (from-to)464-469
Number of pages6
JournalJournal of Physics: Conference Series
Volume32
Issue number1
DOIs
Publication statusPublished - 2006 Mar 2
Externally publishedYes

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Michelson interferometers
compressing
oscillators
detectors
vacuum
optimization
output

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Development of a control scheme of homodyne detection for extracting ponderomotive squeezing from a Michelson interferometer. / Sakata, Shihori; Kawamura, Seiji; Sato, Shuichi; Somiya, Kentaro; Arai, Koji; Fukushima, Mitsuhiro; Sugamoto, Akio.

In: Journal of Physics: Conference Series, Vol. 32, No. 1, 02.03.2006, p. 464-469.

Research output: Contribution to journalArticle

Sakata, Shihori ; Kawamura, Seiji ; Sato, Shuichi ; Somiya, Kentaro ; Arai, Koji ; Fukushima, Mitsuhiro ; Sugamoto, Akio. / Development of a control scheme of homodyne detection for extracting ponderomotive squeezing from a Michelson interferometer. In: Journal of Physics: Conference Series. 2006 ; Vol. 32, No. 1. pp. 464-469.
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