Coherent control of broadband vacuum squeezing

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dc.creatorChelkowski, Simon
dc.creatorVahlbruch, Henning
dc.creatorDanzmann, Karsten
dc.creatorSchnabel, Roman
dc.date2007-04-28
dc.date.accessioned2026-07-07T07:58:39Z
dc.date.available2026-07-07T07:58:39Z
dc.descriptionWe present the observation of optical fields carrying squeezed vacuum states at sideband frequencies from 10Hz to above 35MHz. The field was generated with type-I optical parametric oscillation below threshold at 1064nm. A coherent, unbalanced classical modulation field at 40MHz enabled the generation of error signals for stable phase control of the squeezed vacuum field with respect to a strong local oscillator. Broadband squeezing of approximately -4dB was measured with balanced homodyne detection. The spectrum of the squeezed field allows a quantum noise reduction of ground-based gravitational wave detectors over their full detection band, regardless of whether homodyne readout or radio-frequency heterodyne readout is used.
dc.description9 pages, 8 figures
dc.identifierhttps://arxiv.org/abs/0704.3796
dc.identifierhttp://arxiv.org/abs/0704.3796
dc.identifierPHYSICAL REVIEW A 75, 043814 (2007)
dc.identifierdoi:10.1103/PhysRevA.75.043814
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/128086
dc.subjectQuantum Physics
dc.titleCoherent control of broadband vacuum squeezing
dc.typetext

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