Direct Detection Feedback for Preserving Quantum Coherence in an Open Cavity
- 3 February 1997
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 78 (5) , 840-842
- https://doi.org/10.1103/physrevlett.78.840
Abstract
It is shown that the Yurke-Stoler coherent state of field in an open cavity preserves its nonclassical structure if the outgoing radiation is measured by a photodetector and the photocurrent is used for phase modulation of the intracavity field.Keywords
This publication has 17 references indexed in Scilit:
- Quantum Computers, Factoring, and DecoherenceScience, 1995
- Quantum ComputationScience, 1995
- Use of parametric down-conversion to generate sub-Poissonian lightPhysical Review A, 1988
- Generating quantum mechanical superpositions of macroscopically distinguishable states via amplitude dispersionPhysical Review Letters, 1986
- Amplitude squeezing in a semiconductor laser using quantum nondemolition measurement and negative feedbackPhysical Review A, 1986
- Dissipation in a fundamental model of quantum optical resonancePhysical Review A, 1986
- Path integral approach to quantum Brownian motionPhysica A: Statistical Mechanics and its Applications, 1983
- Pointer basis of quantum apparatus: Into what mixture does the wave packet collapse?Physical Review D, 1981
- Density Operators for Coherent FieldsPhysical Review B, 1966
- Die gegenw rtige Situation in der QuantenmechanikThe Science of Nature, 1935