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5 papers · 2 filters
Characterization of Spectral Entanglement of Spontaneous Parametric-Down Conversion Biphotons
G. Brida, V. Caricato, M. Genovese +3
We verified operational approach based on direct measurement of entanglement degree for bipartite systems. In particular spectral distributions of single counts and coincidence for…
Chirped Biphotons and Their Compression in Optical Fibres
M. V. Chekhova, G. Kh. Kitaeva, O. A. Shumilkina +3
We show that broadband biphoton wavepackets produced via Spontaneous Parametric Down-Conversion (SPDC) in crystals with linearly aperiodic poling can be easily compressed in time u…
Standard Quantum Limit for Probing Mechanical Energy Quantization
Haixing Miao, Stefan Danilishin, Thomas Corbitt +1
We derive a standard quantum limit for probing mechanical energy quantization in a class of systems with mechanical modes parametrically coupled to external degrees of freedom. To…
Theory and experimental verification of Kapitza-Dirac-Talbot-Lau interferometry
Klaus Hornberger, Stefan Gerlich, Hendrik Ulbricht +5
Kapitza-Dirac-Talbot-Lau interferometry (KDTLI) has recently been established for demonstrating the quantum wave nature of large molecules. A phase space treatment permits us to de…
Locality problem in quantum theory
D. A. Slavnov
We discuss the locality problem in relativistic and nonrelativistic quantum theory. We show that there exists a formulation of quantum theory that, on one hand, preserves the mathe…