Localizing a Topological Mode Using a Near-Conservation of the Valley Degree of Freedom

被引：0
|
作者：
Li, Yandong [1 ]
Yu, Yang [1 ]
Liu, Fengyu [1 ,2 ]
Zhang, Baile [3 ,4 ]
Shvets, Gennady [1 ]
机构：
[1] Cornell Univ, Sch Appl & Engn Phys, Ithaca, NY 14853 USA
[2] Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China
[3] Nanyang Technol Univ, Sch Phys & Math Sci, Div Phys & Appl Phys, 21 Nanyang Link, Singapore 637371, Singapore
[4] Nanyang Technol Univ, Ctr Disrupt Photon Technol, Photon Inst, 50 Nanyang Ave, Singapore 639798, Singapore
来源：
2020 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) | 2020年
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D O I：
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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 demonstrate the energy localization at the end of an abruptly terminated topologically nontrivial waveguide. This localization relies on a near-conservation of the valley degree of freedom and does not require time-reversal symmetry breaking. (C) 2020 The Author(s)
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页数：2
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