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Conferences > QELS > 1996 > QThL > QThL5
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1996),
  • paper QThL5

Continuous-wave back-action evasion measurement with a dual port parametric amplifier

Robert Bruckmeier, Klaus Schneider, Hauke Hansen, Stephan Schiller, and Juergen Mlynek

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Abstract

Quantum nondemolition (QND) measurements seek to measure a quantum mechanical observable precisely without disturbing the observable itself and its time evolution. They are of great importance in precision metrology and information processing at the quantum level. In this work, a new QND scheme for optical continuous-wave measurements of quadrature observables using a degenerate, type-I phasematched, dual port, optical parametric amplifier (OPA), is implemented.1

© 1996 Optical Society of America

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