Interference effects in spontaneous two-photon parametric scattering from two macroscopic regions

作者: A. V. Burlakov , M. V. Chekhova , D. N. Klyshko , S. P. Kulik , A. N. Penin

DOI: 10.1103/PHYSREVA.56.3214

关键词: SpectroscopyNonlinear systemParametric statisticsInterference (wave propagation)ScatteringPhase (waves)Beam (structure)Molecular physicsQuantum mechanicsPhysicsQuantum

摘要: Two types of interference were observed using two-photon spontaneous parametric radiation from two nonlinear interaction regions. experimental setups analogous to the Young and Mach-Zehnder interferometers used. An interesting feature is opposite conditions for its observation by different methods: measuring intensity light at a single frequency correlation intensities conjugated frequencies (method coincidences). Two-photon resembles Ramsey method separated fields, which used in beam spectroscopy. A simple macroscopic quantum model agrees well with results enables their interpretation terms ``biphotons'' carrying information about pump phase.

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