Homodyne tomography characterization and nonlocality of a dual-mode optical qubit

Physical Review Letters

Volumn 92, Issue 19, 2004, Pages

  Babichev, S A ^a   Appel, J ^a   Lvovsky, A I ^a  

^a UNIVERSITY OF KONSTANZ   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

DENSITY (OPTICAL); ELECTROMAGNETIC FIELD EFFECTS; FREQUENCY DOUBLERS; LASER APPLICATIONS; LIGHT INTERFERENCE; OPTICAL BEAM SPLITTERS; PHOTONS; QUANTUM ELECTRONICS; QUANTUM OPTICS; RANDOM PROCESSES; SAPPHIRE; SENSITIVITY ANALYSIS; STATISTICAL METHODS; TOMOGRAPHY;

BELL'S INEQUALITY; HOMODYNE TOMOGRAPHY; OPTICAL QUBITS; WIGNER FUNCTIONS;

OPTICAL SYSTEMS;

EID: 17044459625     PISSN: 00319007     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevLett.92.193601     Document Type: Article

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36. det = 0.55 > 1/2, so the WF is negative in the phase space origin, even if no correction for the detection inefficiency is made when reconstructing the state.