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Quantum detection of coherent-state signals in the presence of noiseA general method for solving an important class of quantum detection problems will be presented and evaluated. The quantum theory for detecting pure states for communications purposes has been developed over two decades ago, however the mixed state problem representing signal plus noise states has received little attention due to its great complexity. Here we develop a practical model for solving the mixed-state problem using a discrete approximation to the coherent-state representation of signal plus noise density operators.
Document ID
20060028543
Acquisition Source
Jet Propulsion Laboratory
Document Type
Conference Paper
External Source(s)
Authors
Vilnrotter, V. A.
Lau, C. W.
Date Acquired
August 23, 2013
Publication Date
January 21, 2003
Subject Category
Communications And Radar
Distribution Limits
Public
Copyright
Other
Keywords
Quantum communication quantum detection

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