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
引用
收藏
页数：2
相关论文
共 50 条
  • [1] Observation of Valley Landau-Zener-Bloch Oscillations and Pseudospin Imbalance in Photonic Graphene
    Sun, Yong
    Leykam, Daniel
    Nenni, Stephen
    Song, Daohong
    Chen, Hong
    Chong, Y. D.
    Chen, Zhigang
    PHYSICAL REVIEW LETTERS, 2018, 121 (03)
  • [2] Observation of valley-dependent beams in photonic graphene
    Deng, Fusheng
    Sun, Yong
    Wang, Xiao
    Xue, Rui
    Li, Yuan
    Jiang, Haitao
    Shi, Yunlong
    Chang, Kai
    Chen, Hong
    OPTICS EXPRESS, 2014, 22 (19): : 23605 - 23613
  • [3] Valley-dependent beam manipulators based on photonic graphene
    Deng, Fu-Sheng
    Sun, Yong
    Dong, Li-Juan
    Liu, Yan-Hong
    Shi, Yun-Long
    Deng, Fu-Sheng
    JOURNAL OF APPLIED PHYSICS, 2017, 121 (07)
  • [4] Band evolution and Landau-Zener Bloch oscillations in strained photonic rhombic lattices
    Xia, Shiqiang
    Zhang, Yingying
    Li, Zhixiang
    Qin, Lu
    Yang, Chunjie
    Lu, Hai
    Zhang, Jun
    Zhao, Xingdong
    Zhu, Zunlue
    OPTICS EXPRESS, 2021, 29 (23) : 37503 - 37514
  • [5] Experimental demonstration of valley-dependent topological charge flipping in photonic graphene
    Song, Daohong
    Su, Jing
    Liu, Xiuying
    Xia, Shiqiang
    Gallardo, Daniel
    Tang, Liqin
    Xu, Jingjun
    Chen, Zhigang
    2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO), 2016,
  • [6] Valley-dependent beams controlled by pseudomagnetic field in distorted photonic graphene
    Deng, Fusheng
    Li, Yunmei
    Sun, Yong
    Wang, Xiao
    Guo, Zhiwei
    Shi, Yunlong
    Jiang, Haitao
    Chang, Kai
    Chen, Hong
    OPTICS LETTERS, 2015, 40 (14) : 3380 - 3383
  • [7] Landau-Zener Bloch Oscillations with Perturbed Flat Bands
    Khomeriki, Ramaz
    Flach, Sergej
    PHYSICAL REVIEW LETTERS, 2016, 116 (24)
  • [8] Unconventional valley-dependent optical selection rules and landau level mixing in bilayer graphene
    Ju, Long
    Wang, Lei
    Li, Xiao
    Moon, Seongphill
    Ozerov, Mike
    Lu, Zhengguang
    Taniguchi, Takashi
    Watanabe, Kenji
    Mueller, Erich
    Zhang, Fan
    Smirnov, Dmitry
    Rana, Farhan
    McEuen, Paul L.
    NATURE COMMUNICATIONS, 2020, 11 (01)
  • [9] Bloch-Zener oscillations in graphene and topological insulators
    Krueckl, Viktor
    Richter, Klaus
    PHYSICAL REVIEW B, 2012, 85 (11)
  • [10] Bloch-Landau-Zener oscillations in a quasi-periodic potential
    Departamento de Física, Centro de Física Teórica e Computacional, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, Edifício C8, Lisboa
    1749-016, Portugal
    Phys. Rev. Res., 2643, 2
12345