Superfluidicity in an Optical Lattice with a PT Symmetric Defect

Lingxuan Zhang; Lingxuan Zhang; Wenfu Zhang; Li Ge

doi:10.1364/FIO.2017.JTu3A.89

Frontiers in Optics 2017
OSA Technical Digest (online) (Optica Publishing Group, 2017),
paper JTu3A.89
•https://doi.org/10.1364/FIO.2017.JTu3A.89

Superfluidicity in an Optical Lattice with a PT Symmetric Defect

Lingxuan Zhang, Wenfu Zhang, and Li Ge

Frontiers in Optics 2017

Washington, D.C. United States
18–21 September 2017
ISBN: 978-1-943580-33-0

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Joint Poster Session II (JTu3A)

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L. Zhang, W. Zhang, and L. Ge, "Superfluidicity in an Optical Lattice with a PT Symmetric Defect," in Frontiers in Optics 2017, OSA Technical Digest (online) (Optica Publishing Group, 2017), paper JTu3A.89.

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Abstract

We consider a nonlinear waveguide array with a PT symmetric defect at the center of a parabolic potential. The oscillations of a coherent state persist without dissipation, if its velocity is below a critical value.

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