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Efficiencies for the single-mode operation of a quantum optical nonlinear shift gate

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Title: Efficiencies for the single-mode operation of a quantum optical nonlinear shift gate
Authors: Kojima, Kunihiro Browse this author
Hofmann, Holger F. Browse this author
Takeuchi, Shigeki3 Browse this author →KAKEN DB
Sasaki, Keiji Browse this author →KAKEN DB
Authors(alt): 竹内, 繁樹3
Issue Date: 23-Jul-2004
Publisher: American Physical Society
Journal Title: Physical Review A
Volume: 70
Start Page: 013810
Publisher DOI: 10.1103/PhysRevA.70.013810
Abstract: We investigate the single-mode operation of a quantum optical nonlinear π phase-shift gate implemented by a single two-level atom in one-dimensional free space. Since the single-mode property of the input photons at the atom is not preserved in the interaction at the atom, we analyze the efficiency of single-mode operation that can still be achieved. We show how the input pulse shape can be optimized to obtain high efficiencies for the nonlinear single-mode operation. With this analysis, we obtain an optimal single-mode transmittance per photon of 78% for the successful nonlinear π phase-shift operation.
Rights: Copyright © 2004 American Physical Society
Type: article
Appears in Collections:電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 竹内 繁樹

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