Quantum theory of multiwave mixing. IX. Squeezed states in two-photon media

Ba, Capron; Da, Holm; M, Sargent Iii

doi:10.1103/physreva.35.3388

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Sub-poissonian Statistics Of the Sum Mode A1

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1989

1998

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Cited by 26 publications

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“…The present system is an active device and can produce bright squeezed light. This feature is in contrast to the passive device in which squeezed light is very weak [22][23][24]. (ii) Even though the rate of incoherent pumping is much smaller than the rate of spontaneous emission, i.e.…”

Section: Sub-poissonian Statistics Of the Sum Mode Amentioning

confidence: 87%

Sub-Poissonian quantum-beat laser without inversion

Hu¹,

Jia²

1998

J. Phys. B: At. Mol. Opt. Phys.

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Using the 'dressed-atom-dressed-mode' approach and separating the decoupled atomic state, we investigate the statistical properties of a quantum-beat laser without inversion. While the fluctuations of the relative amplitude and phase are retained at their vacuum noise levels, the intensity fluctuations in the sum mode are reduced below the shot noise limit with an optimum Mandel parameter Q = − 1 2 when the laser is operated well above threshold. In particular, we show that the decoupled atomic state significantly relaxes the parameter requirement for squeezing. The physical cause is also explained.

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Section: Sub-poissonian Statistics Of the Sum Mode Amentioning

confidence: 87%