Efficient Generation and Arbitrary Manipulation of Chiral Terahertz Waves Emitted from Bi 2 Te 3 –Fe Heterostructures
Author(s) -
Chen Xinhou,
Wang Hangtian,
Wang Chun,
Ouyang Chen,
Wei Gaoshuai,
Nie Tianxiao,
Zhao Weisheng,
Miao Jungang,
Li Yutong,
Wang Li,
Wu Xiaojun
Publication year - 2021
Publication title -
advanced photonics research
Language(s) - English
Resource type - Journals
ISSN - 2699-9293
DOI - 10.1002/adpr.202170010
Subject(s) - terahertz radiation , femtosecond , economic shortage , topological insulator , laser , optoelectronics , polarization (electrochemistry) , heterojunction , photonics , materials science , physics , optics , condensed matter physics , chemistry , linguistics , philosophy , government (linguistics)
Keyword Polarization arbitrary manipulated terahertz sources can promote many disruptive technologies and enable enormous applications but face a severe shortage. In article number 2000099 , Xiaojun Wu, Tianxiao Nie, and co‐workers demonstrate a highly efficient generation and arbitrary manipulation of chiral terahertz waves in topological insulator (Bi 2 Te 3 )‐iron (Fe) heterostructures through delicately engineering linear photogalvanic effect and spin‐to‐charge conversion effect induced by femtosecond laser pulses for the first time.
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