Results 91 to 100 of about 126 (112)
Experimental scheme design of quantum nondemolition single photon detector
, 2008 Wang Li +2 more
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Experimental Issues in Coherent Quantum-State Manipulation of Trapped Atomic Ions. [PDF]
J Res Natl Inst Stand Technol, 1998 Wineland DJ +5 more
europepmc +1 more source
Quantum nondemolition measurements via quantum counting [PDF]
Physical Review A, 1983 For a harmonic-oscillator gravitational-wave detector, we show that a quantum nondemolition measurement of the square of the number operator may be made by coupling the detector to an oscillator readout via a quadratic interaction, as in optical four ...
G J Milburn, D F Walls
exaly +2 more sources
Quantum nondemolition measurements on coupled harmonic oscillators [PDF]
Physical Review A, 1983 Quantum nondemolition measurements on an harmonic-oscillator detector are discussed for two detector-meter coupling schemes: parametric amplification and parametric frequency conversion.
G J Milburn, D F Walls
exaly +2 more sources
Quantum nondemolition measurement of a kicked qubit
Physical Review B, 2005 We propose a quantum nondemolition measurement using a kicked two-state system (qubit). By tuning the waiting time between kicks to be the qubit oscillation period, the kicking apparatus performs a nondemolition measurement.
Andrew N Jordan, Markus Buttiker
exaly +2 more sources
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Journal of Physics B: Atomic, Molecular and Optical Physics, 2016
We show how to concentrate an arbitrary four-photon polarization entangled state into a maximally entangled state based on some quantum nondemolition detectors. The entanglement concentration protocol (ECP) resorts to an ancillary single-photon resource and the conventional projection measurement on photons to assist the concentration, which makes it ...
Meiyu Wang, Fengli Yan, Jingzhou Xu
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We show how to concentrate an arbitrary four-photon polarization entangled state into a maximally entangled state based on some quantum nondemolition detectors. The entanglement concentration protocol (ECP) resorts to an ancillary single-photon resource and the conventional projection measurement on photons to assist the concentration, which makes it ...
Meiyu Wang, Fengli Yan, Jingzhou Xu
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Parametric Transducers and Quantum Nondemolition in Bar Detectors
1989We describe a RF parametric transducer which is being developed for gravitational radiation bar antennae. With this transducer it is possible to measure a quantum nondemolition observable and thus potentially exceed the “quantum limit” for bar detectors.
Mark F. Bocko, Warren W. Johnson
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1984
We show that nondemolition monitoring of a Weber bar may prevent changes of the number of phonons, and thus influence the sensitivity of quantum-counting gravity wave detectors. This effect is similar to the Watchdog Effect which is predicted to delay decays of the monitored, unstable quantum system.
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We show that nondemolition monitoring of a Weber bar may prevent changes of the number of phonons, and thus influence the sensitivity of quantum-counting gravity wave detectors. This effect is similar to the Watchdog Effect which is predicted to delay decays of the monitored, unstable quantum system.
openaire +1 more source