Phase sensitivity of a Mach-Zehnder interferometer (Articolo in rivista)

Type
Label
  • Phase sensitivity of a Mach-Zehnder interferometer (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevA.73.011801 (literal)
Alternative label
  • Pezze, L; Smerzi, A (2006)
    Phase sensitivity of a Mach-Zehnder interferometer
    in Physical review. A
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Pezze, L; Smerzi, A (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 73 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA; INFM, BEC, CRS, I-38050 Povo, Italy; Univ Trent, Dipartimento Fis, I-38050 Povo, Italy (literal)
Titolo
  • Phase sensitivity of a Mach-Zehnder interferometer (literal)
Abstract
  • The best performance of a Mach-Zehnder interferometer is achieved with the input state parallel to N-T/2+1 >parallel to N-T/2-1 >+parallel to N-T/2-1 >parallel to N-T/2+1 >, N-T being the total number of atoms or photons. This gives (i) a phase-shift error confidence C-68%=2.67/N-T with (ii) a single interferometric measurement. Different input quantum states can achieve the Heisenberg scaling similar to 1/N-T but with higher prefactors and at the price of a statistical analysis of two or more independent measurements. (literal)
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