Deterministic generation of tailored-optical-coherent-state superpositions

Ritsch, H., Milburn, G. J. and Ralph, T. C. (2004) Deterministic generation of tailored-optical-coherent-state superpositions. Physical Review A, 70 3: 033804-1-033804-4. doi:10.1103/PhysRevA.70.033804

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Author Ritsch, H.
Milburn, G. J.
Ralph, T. C.
Title Deterministic generation of tailored-optical-coherent-state superpositions
Journal name Physical Review A   Check publisher's open access policy
ISSN 1050-2947
Publication date 2004
Sub-type Article (original research)
DOI 10.1103/PhysRevA.70.033804
Open Access Status File (Publisher version)
Volume 70
Issue 3
Start page 033804-1
End page 033804-4
Total pages 4
Editor B. Crasemann
Place of publication College Pk
Publisher American Physical Society
Collection year 2004
Language eng
Subject C1
240402 Quantum Optics and Lasers
780102 Physical sciences
02 Physical Sciences
020502 Lasers and Quantum Electronics
Abstract Pulsed coherent excitation of a two-level atom strongly coupled to a resonant cavity mode will create a superposition of two coherent states of opposite amplitudes in the field. By choosing proper parameters of interaction time and pulse shape the field after the pulse will be almost disentangled from the atom and can be efficiently outcoupled through cavity decay. The fidelity of the generation approaches unity if the atom-field coupling strength is much larger than the atomic and cavity decay rates. This implies a strong difference between even and odd output photon number counts. Alternatively, the coherence of the two generated field components can be proven by phase-dependent annihilation of the generated nonclassical superposition state by a second pulse.
Keyword Optics
Physics, Atomic, Molecular & Chemical
Q-Index Code C1

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Created: Wed, 15 Aug 2007, 04:17:21 EST