Optical Homodyne Tomography of Unpolarized Light

DS Krähmer, Ulf Leonhardt

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

We show how to reconstruct the quantum state of completely unpolarized light of type I [J. Lehner, U. Leonhardt, and H. Paul, Phys. Rev. A 53, 2727 (1996)] via optical homodyne tomography. Our analysis can be extended to any two-mode situation with complete two-mode randomization and, moreover, to any two-dimensional harmonic oscillator with SU(2) symmetric states. Interestingly, we have shown that the Laplace operator applied to the quadrature distribution of unpolarized photons is orthogonal on the set of these distributions.

Original languageEnglish
Pages (from-to)3275-3278
Number of pages4
JournalPhysical Review. A, Atomic, molecular, and optical physics
Volume55
Publication statusPublished - Apr 1997

Keywords

  • QUANTUM-MECHANICAL STATE
  • LOSSLESS BEAM SPLITTER
  • DENSITY-MATRIX
  • ULTRAFAST MEASUREMENT
  • SU(2) SYMMETRY
  • STATISTICS
  • PHASE
  • FIELD
  • RECONSTRUCTION

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