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Quantum interference of stored dual-channel spin-wave excitations in a single tripod system.
- Source :
-
Physical Review A: Atomic, Molecular & Optical Physics . Apr2011, Vol. 83 Issue 4-B, p43815:1-43815:6. 6p. - Publication Year :
- 2011
-
Abstract
- We present an experimental demonstration of dual-channel memory in a single tripod atomic system. The total readout signal exhibits either constructive or destructive interference when the dual-channel spin-wave excitations (SWEs) are retrieved by two reading beams with a controllable relative phase. When the two reading beams have opposite phases, the SWEs will remain in the medium, which can be retrieved later with two in-phase reading beams. Such a phase-sensitive storage and retrieval scheme can be used to measure and control the relative phase between the two SWEs in the memory medium, which may find applications in quantum-information processing. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 10502947
- Volume :
- 83
- Issue :
- 4-B
- Database :
- Academic Search Index
- Journal :
- Physical Review A: Atomic, Molecular & Optical Physics
- Publication Type :
- Periodical
- Accession number :
- 66956840
- Full Text :
- https://doi.org/10.1103/PhysRevA.83.043815