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quant-ph2011
Biphoton Double-Bell States and Ququarts with "Invisible" Variables
M. V. Fedorov, P. A. Volkov, J. M. Mikhailova
We analyze features of mixed biphoton polarization states which arise from pure states of polarization-frequency biphoton ququarts after averaging over frequencies of photons. For…
quant-ph2008★ 3 cited
Frequency and temporal entanglement of biphoton states in spontaneous parametric down conversion with a short-pulse pump
Yu. M. Mikhailova, P. A. Volkov, M. V. Fedorov
Spectral and temporal coincidence and single-particle photon wave packets are described and their widths and durations are found. The degree of entanglement is characterized by the…