Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/86393
Title: High optical performance and practicality of active plasmonic devices based on rhombohedral BiFeO 3
Authors: Chu, S.H.
Singh, D.J.
Wang, J. 
Li, E.-P.
Ong, K.P.
Keywords: BiFeO 3
Multiferroelectric
Optical modulator
Plasmonics.
Issue Date: Sep-2012
Citation: Chu, S.H., Singh, D.J., Wang, J., Li, E.-P., Ong, K.P. (2012-09). High optical performance and practicality of active plasmonic devices based on rhombohedral BiFeO 3. Laser and Photonics Reviews 6 (5) : 684-689. ScholarBank@NUS Repository.
Abstract: First principles calculations of electronic and optical properties of multiferroic oxide BiFeO 3 are used in combination with a plasmonic device model of optical switch to show that a BiFeO 3 based device can have much better performance than devices based on existing materials. This arises from the combination of octahedral tilts, ferroelectricity and G-type antiferromagnetism in BiFeO 3 leading to a strong dependence of the optical refractive indices on the orientation with respect to the polarization. A prototype of a plasmonic resonator with an R-BFO thin film layer is used as an example and shows excellent switch and modulation responses. The proposed approach provides potential opportunities to develop high performance nanophotonic devices for optical communication. © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Source Title: Laser and Photonics Reviews
URI: http://scholarbank.nus.edu.sg/handle/10635/86393
ISSN: 18638880
Appears in Collections:Staff Publications

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