Phys. Rev. A 64, 043813 (2001) [7 pages]Multiphoton tunneling in a nonlinear interferometerReceived 16 February 2001; published 19 September 2001 Photonic de Broglie wave interferometers display interesting, qualitatively nonclassical effects. We present theory and simulations demonstrating a photonic de Broglie interferometer based on nonlinear directional couplers. The Kerr nonlinearity in the couplers allows an N-photon pulse to tunnel between waveguides. Our calculations show the characteristic λ/N fringes of this device even in the presence of photon number uncertainty, albeit with reduced contrast. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.64.043813
DOI:
10.1103/PhysRevA.64.043813
PACS:
42.50.Dv, 42.65.-k, 42.50.Ar
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