Repeated Quantum Nondemolition Measurements of Continuous Optical Waves
Journal Article
·
· Physical Review Letters
- Fakultaet fuer Physik, Universitaet Konstanz, 78457Konstanz (Germany)
Repeated quantum nondemolition (QND) measurements for continuous optical waves were performed by combining a degenerate optical parametric amplifier and a squeezed-light beam splitter. Two-step quantum state preparation and three-beam entanglement of the individually squeezed output beams were demonstrated. The experiment is analyzed using a set of generalized criteria for nonideal individual and repeated QND measurements. The system was operated fully stabilized for up to 36 hours. {copyright} {ital 1997} {ital The American Physical Society}
- OSTI ID:
- 538616
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 8 Vol. 79; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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