Generation of orbital-angular-momentum-entangled biphotons in triangular quadratic waveguide arrays | Zendy

Dmitry M. Markin | Zendy; Alexander S. Solntsev | Zendy; Andrey A. Sukhorukov | Zendy

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Generation of orbital-angular-momentum-entangled biphotons in triangular quadratic waveguide arrays

Author(s) -

Dmitry M. Markin,

Alexander S. Solntsev,

Andrey A. Sukhorukov

Publication year - 2013

Publication title -

physical review a

Language(s) - English

Resource type - Journals

eISSN - 1094-1622

pISSN - 1050-2947

DOI - 10.1103/physreva.87.063814

Subject(s) - physics , angular momentum , waveguide , quantum mechanics , spontaneous parametric down conversion , photon , parametric statistics , quadratic equation , quantum optics , total angular momentum quantum number , orbital angular momentum of light , quantum , optics , quantum entanglement , statistics , geometry , mathematics

We suggest that closed-loop quadratic nonlinear waveguide arrays can be used as a compact interferometrically stable integrated source of discrete orbital-angular-momentum (OAM) entangled biphoton state. We describe analytically and numerically the process of biphoton generation through spontaneous parametric down-conversion in triangular waveguide arrays, and reveal that the generated biphoton quantum states can be precisely controlled by changing the pump phase and wavelength, including the case of photon-pair generation with pure OAM.

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