Phys. Rev. A 72, 063812 (2005) [4 pages]Two-photon quantum interference in a Michelson interferometerReceived 20 August 2005; published 23 December 2005 We have observed two-photon quantum interference in a Michelson interferometer. For the first time, we experimentally demonstrated two-photon quantum interference patterns, which show the transition from nonsubwavelength interference fringes to the general subwavelength interference. At the same time, a photon bunching effect was also shown by a postselection. The ∣1, 1⟩ state with a single photon in a mode corresponding to each arm of the interferometer was exclusively postselected by using path difference between two arms. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.72.063812
DOI:
10.1103/PhysRevA.72.063812
PACS:
42.50.Ar, 42.65.Lm, 42.50.Dv
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