Improving quantum-noise reduction with spatially multimode squeezed light

Improving quantum-noise reduction with spatially multimode squeezed light

We consider the squeezed vacuum state emitted by a degenerate optical parametric oscillator below threshold. We show, by using a confocal cavity and an appropriate matching lens, that the observed level of squeezing can become largely independent of the spatial intensity configuration of the local-o...

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Veröffentlicht in:Journal of the Optical Society of America. B, Optical physics Optical physics, 1997-02, Vol.14 (2), p.225-231
Hauptverfasser: Lugiato, L. A., Grangier, Ph
Format: Artikel
Sprache:eng
Schlagworte:
Optics
Physics
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Zusammenfassung:We consider the squeezed vacuum state emitted by a degenerate optical parametric oscillator below threshold. We show, by using a confocal cavity and an appropriate matching lens, that the observed level of squeezing can become largely independent of the spatial intensity configuration of the local-oscillator field.
ISSN:0740-3224
1520-8540
DOI:10.1364/JOSAB.14.000225