THE PREPARATION OF FOCK STATES BY QUANTUM MEASUREMENTS IN A KERR MEDIA AND THE INFLUENCE OF SELF-PHASE MODULATION | Zendy

ZHOU WEI | Zendy; XUE QIU-HAN | Zendy; Guo Guang-Can | Zendy

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THE PREPARATION OF FOCK STATES BY QUANTUM MEASUREMENTS IN A KERR MEDIA AND THE INFLUENCE OF SELF-PHASE MODULATION

Author(s) -

ZHOU WEI,

XUE QIU-HAN,

Guo Guang-Can

Publication year - 1996

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.45.1297

Subject(s) - fock space , fock state , modulation (music) , coherent states , physics , phase (matter) , phase modulation , signal (programming language) , photon , quantum , quantum mechanics , optics , computer science , acoustics , programming language

A scheme for the preparation of a Fock state is proposed. We study two lights interacting in a Kerr media with self-phase modulation. The signal light and the probe light whose initial states are both coherent states will be entangled via interaction, then when a quadrature component of the probe light is measured, the photon number distribution of the signal light is modulated. Repeating the process, we find the signal will collapse into a Fock state finally, and the physical principle of this evolution is based on the cross-phase modulation, the self-phase modulation may hinder the preparation of a Fock state.

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