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Optics Letters

Optics Letters


  • Vol. 28, Iss. 4 — Feb. 15, 2003
  • pp: 275–277

Generation of entanglement between frequency bands by nonlinear fiber propagation and spectral pulse shaping

Daisuke Fujishima, Fumihiko Kannari, Masahiro Takeoka, and Masahide Sasaki  »View Author Affiliations

Optics Letters, Vol. 28, Issue 4, pp. 275-277 (2003)

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A novel fiber-based scheme for generating quadrature entanglement between a specific pair of frequency bands is proposed. The scheme is based on use of a nonlinear fiber, a spectral pulse shaper, and an adaptive feedback loop. It is numerically predicted that at least -5 dB of the quadrature entanglement will be created by preparation of an appropriate initial phase spectrum. Optimal control of the four-wave mixing terms of the Kerr Hamiltonian is crucial for improvement of the entanglement.

© 2003 Optical Society of America

OCIS Codes
(060.5530) Fiber optics and optical communications : Pulse propagation and temporal solitons
(270.6570) Quantum optics : Squeezed states
(320.5540) Ultrafast optics : Pulse shaping

Daisuke Fujishima, Fumihiko Kannari, Masahiro Takeoka, and Masahide Sasaki, "Generation of entanglement between frequency bands by nonlinear fiber propagation and spectral pulse shaping," Opt. Lett. 28, 275-277 (2003)

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