Phys. Rev. A 52, 815–829 (1995)Degenerate parametric amplifiers with a squeezed pumpReceived 14 December 1994; published in the issue dated July 1995 We study the effects of squeezed pump fluctuations in the degenerate parametric amplifier on signal squeezing. We find, both through semiclassical calculations and through several detailed analytic methods, that pump squeezing is responsible for two competing processes: Reduced pump phase fluctuations improve limitations to squeezing; at the same time, increased pump intensity fluctuations can lead to a ‘‘spillover’’ of pump fluctuations onto negative pump phases and a consequent reduction in signal squeezing. © 1995 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.52.815
DOI:
10.1103/PhysRevA.52.815
PACS:
42.50.Dv, 42.50.Lc, 42.65.-k, 03.65.Bz
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