Dynamics of Airy beams in parity-time symmetric optical lattices

doi:10.1088/1674-1056/28/5/054202

中国物理B ›› 2019, Vol. 28 ›› Issue (5): 54202-054202.doi: 10.1088/1674-1056/28/5/054202

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Dynamics of Airy beams in parity-time symmetric optical lattices

Rui-Hong Chen(陈睿弘), Wei-Yi Hong(洪伟毅)

1 Guangzhou Key Laboratory for Special Fiber Photonic Devices and Applications, South China Normal University, Guangzhou 510631, China;
2 Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices, South China Normal University, Guangzhou 510631, China

收稿日期:2018-07-22 修回日期:2019-02-02 出版日期:2019-05-05 发布日期:2019-05-05
通讯作者: Wei-Yi Hong E-mail:hongwy@m.scnu.edu.cn

Dynamics of Airy beams in parity-time symmetric optical lattices

Rui-Hong Chen(陈睿弘)¹, Wei-Yi Hong(洪伟毅)²

1 Guangzhou Key Laboratory for Special Fiber Photonic Devices and Applications, South China Normal University, Guangzhou 510631, China;
2 Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices, South China Normal University, Guangzhou 510631, China

Received:2018-07-22 Revised:2019-02-02 Online:2019-05-05 Published:2019-05-05
Contact: Wei-Yi Hong E-mail:hongwy@m.scnu.edu.cn

摘要/Abstract

摘要：

We investigate the dynamics of airy beams propagating in the parity-time (PT) symmetric optical lattices in linear and nonlinear regimes, respectively. For the linear propagation, the position of the channel guided by the PT lattice can be shifted by tuning the lattice frequency. The underlying physical mechanism of this phenomenon is also discussed. An interesting phenomenon is found in the nonlinear regime in that the airy beam becomes a tilt channel with several Rayleigh lengths. These findings create new opportunities for optical steering and manipulations.

关键词: parity-time symmetry, Airy beam, nonlinear Schrö, dinger equation, optical lattices

Abstract:

Key words: parity-time symmetry, Airy beam, nonlinear Schrö, dinger equation, optical lattices

中图分类号: (Wave propagation, transmission and absorption)

42.25.Bs

42.60.Jf (Beam characteristics: profile, intensity, and power; spatial pattern formation) 43.25.+y (Nonlinear acoustics)

陈睿弘, 洪伟毅. Dynamics of Airy beams in parity-time symmetric optical lattices[J]. 中国物理B, 2019, 28(5): 54202-054202.

Rui-Hong Chen(陈睿弘), Wei-Yi Hong(洪伟毅). Dynamics of Airy beams in parity-time symmetric optical lattices[J]. Chin. Phys. B, 2019, 28(5): 54202-054202.

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Dynamics of Airy beams in parity-time symmetric optical lattices

Dynamics of Airy beams in parity-time symmetric optical lattices

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