Unconventional double-bended saturation of carrier occupation in optically excited graphene due to many-particle interactions

Saturable absorption, a technologically relevant property of graphene, is usually explained with Pauli blocking of optically driven carriers in the strong-excitation regime. Here, Winzeret al. reveal a new saturation regime at low excitations, resulting in a double-bended saturation behaviour.

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Autores principales: Torben Winzer, Martin Mittendorff, Stephan Winnerl, Henry Mittenzwey, Roland Jago, Manfred Helm, Ermin Malic, Andreas Knorr
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2017
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Acceso en línea:https://doaj.org/article/f77cd51ef2f2429eb842d108ee2f67bf
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