Squeezed-light-enhanced polarization interferometer.
作者： P. Grangier , R. E. Slusher , B. Yurke , A. LaPorta
DOI: 10.1103/PHYSREVLETT.59.2153
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摘要: Enhancement of the sensitivity of a polarization interferometer beyond the limit set by vacuum fluctuations of the electromagnetic field has been obtained with use of squeezed light generated by a KTiOPO 4 optical parametric amplifier. The increase in signal-to-noise ratio relative to the shot-noise limit is 2 dB. The corresponding improvement in the response time of the interferometer is measured to be a factor of 1.6.
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