photonic crystals
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2022 ◽  
Author(s):  
Bingxiang Li ◽  
Lingling Ma ◽  
Yanqing Lu ◽  
Lu-Yao Sun ◽  
Zhen-Peng Song ◽  
...  

2022 ◽  
pp. 2109399
Author(s):  
Dongqing Lin ◽  
Jin'an Liu ◽  
He Zhang ◽  
Yue Qian ◽  
Hao Yang ◽  
...  

2022 ◽  
Author(s):  
huang jingyu ◽  
Xiaofang Xu ◽  
Hao Zhang ◽  
Nan Zhai ◽  
Yaqi Liu

Author(s):  
Yulin Zhao ◽  
Feng Liang ◽  
Xiangru Wang ◽  
Deshuang Zhao ◽  
Bing-Zhong Wang

Abstract Topological valley transport in photonic crystals (PCs) has attracted great attention owing to its edge modes immune to backscattering. However, flexibly dynamically controlling and reconfiguring the pathway of the topological one-way propagation is still challenging. Here, we propose a tunable and programmable valley PC structure based on nematic liquid crystals (LCs). Inversion symmetry breaking and topological transition are implemented through controlling the relative permittivity of the LC cells. Topological protection of valley edge states and valley-locked beam splitting are demonstrated. Moreover, the LC-based PC can be discretized to a number of supercells, each of which can be coded with “0” or “1”. The wave propagation pathway can be dynamically reconfigured by programming different coding patterns.


2022 ◽  
Vol 503 ◽  
pp. 127449
Author(s):  
Qiuping Mao ◽  
Lei Hu ◽  
Guobin Ding ◽  
Kang Xie

2022 ◽  
Vol 16 (1) ◽  
pp. 2270002
Author(s):  
Christina Jörg ◽  
Sachin Vaidya ◽  
Jiho Noh ◽  
Alexander Cerjan ◽  
Shyam Augustine ◽  
...  

Author(s):  
Shaoxin Song ◽  
Yang Liu ◽  
Xuejuan Liu ◽  
Jianping Ge ◽  
Dengteng Ge ◽  
...  

Electrically responsive photonic crystals have drawn extensive interest in the growing demands in camouflages, displays, sensing, energy-saving building etc. due to their fine control, fast response and convenient implementation. Veiled...


2022 ◽  
Author(s):  
Priya Priya ◽  
Sudhir Kumar Saini ◽  
Rajesh Nair

The advent of photonic crystals has materialized the idea of taming the flow of light which has revolutionized the photonics technology. Photonic crystals are constructed by the periodic variation of...


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