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|Title:||Monolayer graphene photonic metastructures: Giant Faraday rotation and nearly perfect transmission|
|Authors:||Da, H. |
|Source:||Da, H., Bao, Q., Sanaei, R., Teng, J., Loh, K.P., Garcia-Vidal, F.J., Qiu, C.-W. (2013-11-06). Monolayer graphene photonic metastructures: Giant Faraday rotation and nearly perfect transmission. Physical Review B - Condensed Matter and Materials Physics 88 (20) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevB.88.205405|
|Abstract:||We demonstrate a heterogeneous photonic metastructure involving monolayer graphene achieving a substantial Faraday rotation angle and nearly perfect transmittance simultaneously. This breaks the longstanding tradeoff between the Faraday rotation angle and the transmission coefficient in conventional magneto-optical devices. Faraday rotation is enhanced across the interface between two photonic crystals due to the presence of an interface mode, i.e. optical Tamm state, which presents a strong electromagnetic field confinement at the location of the graphene sheet. This interface mode also helps to maintain a nearly perfect optical transmission through the structure thanks to a resonant tunneling mechanism. This exciting result was achieved particularly in the quantum regime with low Fermi level. © 2013 American Physical Society.|
|Source Title:||Physical Review B - Condensed Matter and Materials Physics|
|Appears in Collections:||Staff Publications|
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