Generalized measurements of atomic qubits

S. Franke-Arnold, E. Andersson, S.M. Barnett, S. Stenholm

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)


We discuss how generalized measurements may be performed on various atomic systems including cold ions and Rydberg atoms. The suggested methods rely on the fact that any generalized measurement can be identified with a unitary transformation followed by a projective measurement in a higher-dimensional Hilbert space. If the information to be measured is stored in the form of atomic qubits this unitary transformation can be accomplished by redistributing the population of the relevant atomic levels.
Original languageEnglish
Pages (from-to)052301-1
Number of pages52300
JournalPhysical Review A
Issue number5
Publication statusPublished - Apr 2001


  • atomic systems
  • atomic qubits
  • generalized measurements
  • optics
  • photonics


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