Emergence of multipartite optomechanical entanglement in microdisk cavities coupled to nanostring waveguide

Emergence of multipartite optomechanical entanglement in microdisk cavities coupled to nanostring... In this paper, we propose a scheme to show signatures of multipartite optomechanical entanglement, which is based on two high quality factor (high- $$Q$$ ) silicon nitride ( $$\text{ Si }_{3}\text{ N }_{4}$$ ) microdisk cavities coupled to a nanostring waveguide via evanescent field. Genuine tripartite optomechanical entanglement is shared in the subsystem even though the two fields of microdisk cavities do not have direct interaction. In addition, we study the behaviors of the bipartite entanglement between the pairs of the system constituents by numerical simulation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Emergence of multipartite optomechanical entanglement in microdisk cavities coupled to nanostring waveguide

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Publisher
Springer Journals
Copyright
Copyright © 2013 by Springer Science+Business Media New York
Subject
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
ISSN
1570-0755
eISSN
1573-1332
D.O.I.
10.1007/s11128-013-0590-0
Publisher site
See Article on Publisher Site

Abstract

In this paper, we propose a scheme to show signatures of multipartite optomechanical entanglement, which is based on two high quality factor (high- $$Q$$ ) silicon nitride ( $$\text{ Si }_{3}\text{ N }_{4}$$ ) microdisk cavities coupled to a nanostring waveguide via evanescent field. Genuine tripartite optomechanical entanglement is shared in the subsystem even though the two fields of microdisk cavities do not have direct interaction. In addition, we study the behaviors of the bipartite entanglement between the pairs of the system constituents by numerical simulation.

Journal

Quantum Information ProcessingSpringer Journals

Published: May 31, 2013

References

  • A picogram- and nanometre-scale photonic-crystal optomechanical cavity
    Eichenfield, M; Camacho, R; Chan, J; Vahala, KJ; Painter, O
  • Harnessing optical forces in integrated photonic circuits
    Pernice, MLWHP; Tang, XH
  • A megahertz nanomechanical resonator with room temperature quality factor over a million
    Verbridge, SS; Craighead, HG; Parpia, JM
  • Optomechanical entanglement between a movable mirror and a cavity field
    Vitali, D; Gigan, S; Ferreira, A; Bohm, HR; Tombesi, P; Guerreiro, A; Vedral, V; Zeilinger, A; Aspelmeyer, M
  • Near-field cavity optomechanics with nanomechanical oscillators
    Anetsberger, G; Arcizet, O; Unterreithmeier, QP; Rivière, R; Schliesser, A; Weig, EM; Kotthaus, JP; Kippenberg, TJ

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