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ID 18701
file
creator
Kojima, Kunihiro
Takeuchi, Shigeki
Sasaki, Keiji
abstract
The nonlinear photon-photon interaction mediated by a single two-level atom is studied theoretically based on a one-dimensional model of the field-atom interaction. This model allows us to determine the effects of an atomic nonlinearity on the spatiotemporal coherence of a two-photon state. Specifically, the complete twophoton output wave function can be obtained for any two-photon input wave function. It is shown that the quantum interference between the components of the output state associated with different interaction processes causes bunching and antibunching in the two-photon statistics. This theory may be useful for various applications in photon manipulation, e.g., quantum information processing using photonic qubits, quantum nondemolition measurements, and the generation of entangled photons.
journal title
Physical Review A. Atomic, Molecular, and Optical Physics
volume
Volume 68
issue
Issue 1
start page
013803-1
end page
013803-13
date of issued
2003-07-02
publisher
American Physical Society
issn
1094-1622
ncid
publisher doi
language
eng
nii type
Journal Article
HU type
Journal Articles
DCMI type
text
format
application/pdf
text version
publisher
rights
Copyright (c) 2003 American Physical Society.
relation url
department
Graduate School of Advanced Sciences of Matter