Quantum mechanical photoncount formula derived by entangled state representation

doi:10.1088/1674-1056/20/8/084203

Abstract By introducing the thermo entangled state representation, we derive four new photocount distribution formulas for a given light field density operator. It is shown that these new formulas, which are convenient to calculate the photocount, can be expressed as integrations over a Laguerre-Gaussian function with a characteristic function, Wigner function, Q-function and P-function, respectively.

Keywords: photo-counting distribution entangled state representation

Received: 16 January 2011
Revised: 09 March 2011
Accepted manuscript online:

PACS:	42.50.-p	(Quantum optics)
	03.65.-w	(Quantum mechanics)

Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11047133 and 60967002), the Key Program Foundation of Ministry of Education of China (Grant No. 210115), and the Research Foundation of the Education Department of Jiangxi Province of China (Grant Nos. GJJ10097 and GJJ10404), and the Natural Science Foundation of Jiangxi Province of China (Grant No. 2010GQW0027).

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Hu Li-Yun(胡利云), Wang Zi-Sheng(王资生), L. C. Kwek, and Fan Hong-Yi(范洪义) Quantum mechanical photoncount formula derived by entangled state representation 2011 Chin. Phys. B 20 084203

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Quantum mechanical photoncount formula derived by entangled state representation

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