Nonlinear optical phenomena

Interference of biphotons upon parametric down-conversion in the field of biharmonic pumping

I. I. Zolotoverkh

Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University

Abstract: We report theoretical investigation of interference of biphotons emitted upon type-II collinear parametric down-conversion in the case of biharmonic pumping. Interference occurs when an optical or electronic shutter is used as an amplitude modulator in the experimental scheme. The phase of the interference is shown to depend on the time interval between the instant the shutter is opened and the instant corresponding to the maximum pump intensity. The main parameter affecting the visibility of the interference pattern is a time interval during which the shutter is open.

Keywords: parametric down-conversion, interference of biphotons, biharmonic pumping.

PACS: 42.25.Fx, 42.25.Hz, 42.50.Ar, 42.65.Lm

Received: 01.06.2013
Revised: 31.01.2014

 English version: Quantum Electronics, 2014, 44:4, 341–344

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