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Proceedings Paper

Signal-pump entanglement in quantum-optical processes
Author(s): V. Buzek
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Paper Abstract

Nonlinear quantum-optical processes are generally considered as candidates for the production of highly nonclassical states of light. In particular a great deal of attention has been paid to quadratic processes both degenerate as well as non-degenerate described by Hamiltonians: HD = waettet + AD 7Rat)2 exp(-iwet) a2 exp(iwet)], (1) and HN = ‘4.,aat a ± wbi)ti) AN7pit 6t ex-p (_ iwet) ?xi) exp(iwct)], (2) where a, at (b, bt) are the annihilation and the creation operators of the signal (idler) mode, respectively. These operators obey the usual bosonic commutation relations [a, = 1, [b, = 1. The coupling constants AD and AN are proportional to the second order nonlinear polarizability of the medium. The pump mode is assumed to be a classical field with the amplitude 7 and the frequency we.

Paper Details

Date Published: 26 July 1993
PDF: 2 pages
Proc. SPIE 1983, 16th Congress of the International Commission for Optics: Optics as a Key to High Technology, 198310 (26 July 1993); doi: 10.1117/12.2308455
Show Author Affiliations
V. Buzek, Institute of Physics (Slovakia)


Published in SPIE Proceedings Vol. 1983:
16th Congress of the International Commission for Optics: Optics as a Key to High Technology
Gyorgy Akos; Tivadar Lippenyi; Gabor Lupkovics; Andras Podmaniczky, Editor(s)

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