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Gradient Echo Quantum Memory in Warm Atomic Vapor
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Engineering
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JoVE Journal Engineering
Gradient Echo Quantum Memory in Warm Atomic Vapor

Gradient Echo Quantum Memory in Warm Atomic Vapor

DOI:
10.3791/50552-v

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10:00 min

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November 11, 2013

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, , , , , , ,
1ARC Centre for Quantum Computation and Communication Technology, Department of Quantum Science,The Australian National University

Chapters

  • 00:05Title
  • 01:42Fabrication of the Ring Resonators, the Memory Cell, and Its Housing
  • 04:25Layout of the Optical Beam Path and Performing the Experiment
  • 08:20Results: Raman Absorption and Pulse Storage in a GEM Cell
  • 09:28Conclusion

Summary

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The gradient echo memory is a protocol for storing optical quantum states of light in atomic ensembles. Quantum memory is a key element of a quantum repeater, which can extend the range of quantum key distribution. We outline the operation of the scheme when implemented in a 3-level atomic ensemble.

Tags

Keywords: Gradient Echo MemoryQuantum MemoryWarm Atomic VaporQuantum Key DistributionQuantum RepeaterRubidium 87Magnetic Field GradientFour-wave Mixing

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