Dispersion in femtosecond entangled two-photon interference

Jan Peřina, Jr; Alexander V. Sergienko; Bradley M. Jost; Bahaa E. A. Saleh; Malvin C. Teich

doi:10.1103/PhysRevA.59.2359

Dispersion in femtosecond entangled two-photon interference

Jan Peřina, Jr., Alexander V. Sergienko, Bradley M. Jost, Bahaa E. A. Saleh, and Malvin C. Teich

Phys. Rev. A 59, 2359 – Published 1 March 1999

Abstract

We theoretically investigate the quantum interference of entangled two-photon states generated in a nonlinear crystal pumped by femtosecond optical pulses. Interference patterns generated by the polarization analog of the Hong-Ou-Mandel interferometer are studied. Attention is devoted to the effects of the pump-pulse profile (pulse duration and chirp) and the second-order dispersion in both the nonlinear crystal and the interferometer’s optical elements. Dispersion causes the interference pattern to have an asymmetric shape. Dispersion cancellation occurs in some cases.

Received 24 July 1998

DOI:https://doi.org/10.1103/PhysRevA.59.2359

Authors & Affiliations

Jan Peřina, Jr.^*, Alexander V. Sergienko, Bradley M. Jost, Bahaa E. A. Saleh, and Malvin C. Teich^†,‡

Quantum Imaging Laboratory, Department of Electrical and Computer Engineering, Boston University, 8 Saint Mary’s Street, Boston, Massachusetts 02215

^*On leave from the Joint Laboratory of Optics of Palacký University and Institute of Physics of Academy of Sciences of the Czech Republic, 17. listopadu 50, 772 07 Olomouc, Czech Republic.>Electronic address: perina_j@sloup.upol.cz
^†Electronic address: teich@bu.edu
^‡URL: http://photon.bu.edu/teich/qil/QImaging.html

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Vol. 59, Iss. 3 — March 1999

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