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Generation of a squeezing vacuum at a telecommunication wavelength with periodically poled
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10.1063/1.2938053
/content/aip/journal/apl/92/22/10.1063/1.2938053
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/22/10.1063/1.2938053
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic diagram of experimental setup. VA: variable attenuator, FI: Faraday isolator, SHG: second harmonic generation, DBS, dichroic beam splitter, LO: local oscillator, HBS: beam splitter, HD: balanced homodyne detector.

Image of FIG. 2.
FIG. 2.

Dependences of the output power of the laser and the conversion efficiency of SHG on the power of the incident fundamental laser. The solid lines are theoretical predictions.

Image of FIG. 3.
FIG. 3.

Measured quadrature quantum noise of the squeezed vacuum generation. (a) SNL (b) Quantum noise of the squeezed vacuum as the LO phase was scanned. The settings of the spectrum analyzer: zero-span mode at , resolution bandwidth is and video bandwidth is .

Image of FIG. 4.
FIG. 4.

Measured quantum noise spectrum: (a) SNL and (b) squeezing spectrum as the LO phase was locked. The settings of the spectrum analyzer: resolution bandwidth is and video bandwidth is , and the sweep time is .

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/content/aip/journal/apl/92/22/10.1063/1.2938053
2008-06-02
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Generation of a squeezing vacuum at a telecommunication wavelength with periodically poled LiNbO3
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/22/10.1063/1.2938053
10.1063/1.2938053
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