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|a Nair, Ranjith
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|a Massachusetts Institute of Technology. Research Laboratory of Electronics
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|a Nair, Ranjith
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|a Nair, Ranjith
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|a Yen, Brent J.
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|a Yen, Brent J.
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|a Optimal Quantum States for Image Sensing in Loss
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|b American Physical Society (APS),
|c 2012-02-09T16:49:22Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/69059
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|a We consider a general image sensing framework that includes many quantum sensing problems by an appropriate choice of image set, prior probabilities, and cost function. For any such problem, in the presence of loss and a signal energy constraint, we show that a pure input state of light with the signal modes in a mixture of number states minimizes the cost among all ancilla-assisted parallel strategies. Lossy binary phase discrimination with a peak photon number constraint and general lossless image sensing are considered as examples.
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|a United States. Defense Advanced Research Projects Agency. Quantum Sensors Program (Contract No. FA8750-09-C-0194)
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|a en_US
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|a Article
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|t Physical Review Letters
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