Strong nonlinear terahertz response induced by Dirac surface states in Bi2Se3 topological insulator

Strong nonlinear terahertz response induced by Dirac surface states in Bi2Se3 topological insulator

The terahertz response of topological insulator surface states, in which relativistic electrons are protected from backscattering, possesses potential optic and plasmonic applications. Here, the authors demonstrate a nonlinear absorption response of Bi2Se3to terahertz electric fields.

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Detalles Bibliográficos
Autores principales: Flavio Giorgianni, Enrica Chiadroni, Andrea Rovere, Mariangela Cestelli-Guidi, Andrea Perucchi, Marco Bellaveglia, Michele Castellano, Domenico Di Giovenale, Giampiero Di Pirro, Massimo Ferrario, Riccardo Pompili, Cristina Vaccarezza, Fabio Villa, Alessandro Cianchi, Andrea Mostacci, Massimo Petrarca, Matthew Brahlek, Nikesh Koirala, Seongshik Oh, Stefano Lupi
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2016
Materias:
Science
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Acceso en línea:https://doaj.org/article/cbfc6e0a059c4b7ab5e209100d54990d
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Sumario:The terahertz response of topological insulator surface states, in which relativistic electrons are protected from backscattering, possesses potential optic and plasmonic applications. Here, the authors demonstrate a nonlinear absorption response of Bi2Se3to terahertz electric fields.

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