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Updated: Jul 11, 2026

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
Published on: September 5, 2019
Anisotropically and high entanglement of biphoton states generated in spontaneous parametric down-conversion
M V Fedorov1, M A Efremov, P A Volkov
1A.M. Prokhorov General Physics Institute of Russian Academy of Sciences, 117942, Moscow, Russia.
Abstract:
We show both theoretically and experimentally that biphoton wave packets generated via spontaneous parametric down-conversion can be strongly anisotropic and highly entangled. The conditions under which these effects exist are found and discussed.
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