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Proceedings Paper

Progress in the nondestructive measurement of states in quantum communication and computation systems
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Paper Abstract

We discuss methodologies for non-demolition measurement of quantum states. Four quantum non-demolition measurement strategies are described namely phase-coupled, polarization-coupled, gain-coupled, and Raman-effect coupled measurement schemes. Qualitative as well as quantitative assessments are presented for each of the measurement schemes in terms of back-action evading, quantum-state preperation, and degration of signal field. Simulation results indicate that quantum non-demolition measurements are realized for low coupling coefficients for each of the four schemes.

Paper Details

Date Published: 25 May 2005
PDF: 8 pages
Proc. SPIE 5815, Quantum Information and Computation III, (25 May 2005); doi: 10.1117/12.606171
Show Author Affiliations
Eric Donkor, Univ. of Connecticut (United States)
Patrick D. Kumavor, Univ. of Connecticut (United States)

Published in SPIE Proceedings Vol. 5815:
Quantum Information and Computation III
Eric J. Donkor; Andrew R. Pirich; Howard E. Brandt, Editor(s)

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