Landau-Zener-Bloch oscillations and valley-dependent vortex generation in photonic graphene

被引：0
|
作者：
Sun, Yong [1 ,2 ]
Leykam, Daniel [3 ,4 ]
Nenni, Stephen [1 ]
Song, Daohong [5 ,6 ]
Chen, Hong [2 ]
Chong, Y. D. [4 ,7 ]
Chen, Zhigang [1 ,5 ,6 ]
机构：
[1] San Francisco State Univ, Dept Phys & Astron, San Francisco, CA 94132 USA
[2] Tongji Univ, Sch Phys Sci & Engn, MOE Key Lab Adv Microstruct Mat, Shanghai 200092, Peoples R China
[3] Inst for Basic Sci Korea, Ctr Theoret Phys Complex Syst, Daejeon 34051, South Korea
[4] Nanyang Technol Univ, Sch Phys & Math Sci, Div Phys & Appl Phys, Singapore 637371, Singapore
[5] Nankai Univ, TEDA Appl Phys Inst, MOE Key Lab Weak Light Nonlinear Photon, Tianjin 300457, Peoples R China
[6] Nankai Univ, Sch Phys, Tianjin 300457, Peoples R China
[7] Nanyang Technol Univ, Ctr Disrupt Photon Technol, Singapore 637371, Singapore
来源：
2018 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) | 2018年
基金：
新加坡国家研究基金会; 国家重点研发计划; 美国国家科学基金会;
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We observe Bloch oscillations and Landau-Zener-tunneling at Dirac points in photonic graphene. The non-adiabatic wave dynamics depend anisotropically on the direction of an applied index gradient, resulting in imperfect Landau-Zener-tunneling and valley-dependent vortex generation. (C) 2018 Optical Society of America
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页数：2
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