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Phys. Rev. A 53, 3621–3624 (1996)

Photon antibunching by destructive two-photon interference

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M. Koashi and M. Matsuoka
Institute for Solid State Physics, The University of Tokyo, 7-22-1 Roppongi, Minato-ku, Tokyo 106, Japan

T. Hirano
Institute of Physics, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153, Japan

Received 26 December 1995; published in the issue dated May 1996

A different way of producing antibunched light was experimentally demonstrated in which the production process is difficult to understand by a naive photon picture. A degenerate beam of down-converted photon pairs from a nonlinear crystal pumped by pulsed light was mixed with coherent local oscillator pulses by a beam splitter, and the intensity autocorrelation of one of the output beams was measured. It showed two-photon interference fringes as the phase difference of the two input fields was varied, and showed antibunching when the interference was destructive. © 1996 The American Physical Society.

© 1996 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.53.3621
DOI:
10.1103/PhysRevA.53.3621
PACS:
42.50.Dv, 42.50.Ar, 42.65.Ky