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Multiphoton correlations in parametric down-conversion and their measurement in the pulsed regime

Ivanova, O A and Iskhakov, T Sh and Penin, A N and Chekhova, Maria V (2006) Multiphoton correlations in parametric down-conversion and their measurement in the pulsed regime. Quantum Electronics, 36 (10). pp. 951-956.

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Official URL: http://stacks.iop.org/1063-7818/36/951

Abstract

We consider normalised intensity correlation functions (CFs) of different orders for light emitted via parametric down-conversion (PDC) and their dependence on the number of photons per mode. The main problem in measuring such correlation functions is their extremely small width, which considerably reduces their contrast. It is shown that if the radiation under study is modulated by a periodic sequence of pulses that are short compared to the CF width, no decrease in the contrast occurs. A procedure is proposed for measuring normalised CFs of various orders in the pulsed regime. For nanosecond-pulsed PDC radiation, normalised second-order CF is measured experimentally as a function of the mean photon number.

Item Type:Article
ID Code:5373
Deposited By:Prof. Alexey Ivanov
Deposited On:06 Feb 2010 11:10
Last Modified:06 Feb 2010 11:53

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