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Title: Monolayer graphene photonic metastructures: Giant Faraday rotation and nearly perfect transmission
Authors: Da, H. 
Bao, Q.
Sanaei, R.
Teng, J.
Loh, K.P. 
Garcia-Vidal, F.J.
Qiu, C.-W. 
Issue Date: 6-Nov-2013
Citation: 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.
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
ISSN: 10980121
DOI: 10.1103/PhysRevB.88.205405
Appears in Collections:Staff Publications

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