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Instituto de Ciencia de Materiales de Madrid |
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| Condensed Matter Theory | |||||
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Squeezing and quantum non-demolition measurement with an optical parametric amplifierStephan Schiller, Sigmund Kohler, Rüdiger Paschotta, and Jürgen MlynekAppl. Phys. B 60, S77 (1995) Quantum effects in a degenerate parametric amplifier resonant for the subharmonic wave are studied. Good squeezing in the harmonic wave can be obtained using an injected subharmonic wave with appropriate amplitude and phase. Quantum nondemolition measurements of the phase or amplitude of the harmonic wave can be achieved by measuring the phase or amplitude of the deamplified injected subharmonic meter wave. The amplitude of the harmonic wave must be close to the threshold amplitude. Good correlations require a large mirror transmission relative to the internal dissipative meter losses. |
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[Condensed Matter Theory]
last modified: 18.11.2024 by
Sigmund Kohler