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Robust generation of bright two-color entangled optical beams from a phase-insensitive optical parametric amplifier
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10.1063/1.3690876
/content/aip/journal/apl/100/9/10.1063/1.3690876
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/9/10.1063/1.3690876
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Theoretical quantum correlation spectra of amplitude quadrature difference (blue solid curve) and phase quadrature sum (red dashed curve). Frequencies () are expressed in units of the cavity damping rate for down-converted fields.

Image of FIG. 2.
FIG. 2.

(Color online) Schematic diagram of the experimental setup. BS: beam splitter; DBS: dichroic beam splitter; PD: photodiode; PID: proportional-integral-derivative controller; LO: local oscillator.

Image of FIG. 3.
FIG. 3.

(Color online) The measured intensity of the output signal field when the relative phase between the signal and pump fields was scanned by using a triangle wave voltage signal.

Image of FIG. 4.
FIG. 4.

(Color online) Measured quadrature noise spectra between the 0.8 and 1.5 μm down-converted fields. (a) Shot noise level; (b) Amplitude quadrature difference noise spectrum; (c) Phase quadrature sum noise spectrum. The settings of the spectrum analyzer: resolution bandwidth is 300 kHz and video bandwidth is 100 Hz.

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/content/aip/journal/apl/100/9/10.1063/1.3690876
2012-03-02
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Robust generation of bright two-color entangled optical beams from a phase-insensitive optical parametric amplifier
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/9/10.1063/1.3690876
10.1063/1.3690876
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