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On the Development of Controllable Sources of Single-Photon States with an Orbital Angular Momentum on the Basis of Spontaneous Parametric Down-Conversion of Light |
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| Authors: | A V Shkalikov D A Turaykhanov A A Kalachev N N Losevsky E V Razueva S A Samagin S P Kotova |
| Institution: | 1.Zavoisky Physical-Technical Institute, Kazan Scientific Center,Russian Academy of Sciences,Kazan,Russia;2.Kazan Federal University,Kazan,Russia;3.Samara Branch of the Lebedev Physical Institute,Russian Academy of Sciences,Samara,Russia |
| Abstract: | Methods for beam shaping with nonzero orbital angular momentum are studied using diffraction optical elements with the purpose of developing a source of single-photon states based on spontaneous parametric down-conversion of light in the LiNbO3 crystal in the cavity resonator. The probability of the coincidence of the number of photocounts in detecting signal and idle fields under pumping by a beam with the orbital angular momentum is simulated. |
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