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Appl. Sci. 2017, 7(12), 1217; https://doi.org/10.3390/app7121217

Bloch Surface Waves for MoS2 Emission Coupling and Polariton Systems

1
CNR-NANOTEC, Institute of Nanotechnology, via Monteroni, 73100 Lecce, Italy
2
Laboratoire Kastler Brossel, UPMC, 4 Place Jussieu Case 74, F-75005 Paris, France
3
Dipartimento di Matematica e Fisica “Ennio De Giorgi”, Università del Salento, Via Arnesano, 73100 Lecce, Italy
4
Dipartimento di Scienze dell’Ingegneria Civile e dell’Architettura, Politecnico di Bari, via Orabona 4, 70125 Bari, Italy
5
School of Physics and Astronomy, University of Manchester, Oxford Road, Manchester M13 9PL, UK
6
National Graphene Institute, University of Manchester, Manchester M13 9PL, UK
*
Authors to whom correspondence should be addressed.
Received: 30 October 2017 / Revised: 18 November 2017 / Accepted: 20 November 2017 / Published: 24 November 2017
(This article belongs to the Special Issue Surface Waves on Planar Photonic Crystals)
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Abstract

Due to their extraordinary quality factor and extreme sensitivity to surface perturbations, Bloch surface waves (BSW) have been widely investigated for sensing applications so far. Over the last few years, on-chip control of optical signals through BSW has experienced a rapidly-expanding interest in the scientific community, attesting to BSW’s position at the forefront towards on-chip optical operations. The backbone of on-chip optical devices requires the choice of integrated optical sources with peculiar optic/optoelectronic properties, the efficient in-plane propagation of the optical signal and the possibility to dynamic manipulate the signal through optical or electrical driving. In this paper, we discuss our approach in addressing these requirements. Regarding the optical source integration, we demonstrate the possibility to couple the MoS2 mono- and bi-layers emission—when integrated on top of a 1D photonic crystal—to a BSW. Afterward, we review our results on BSW-based polariton systems (BSWP). We show that the BSWPs combine long-range propagation with energy tuning of their dispersion through polariton–polariton interactions, paving the way for logic operations. View Full-Text
Keywords: transition metal dichalcogenides; Bloch surface wave polaritons; non-linear optics transition metal dichalcogenides; Bloch surface wave polaritons; non-linear optics
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Lerario, G.; Ballarini, D.; Dominici, L.; Fieramosca, A.; Cannavale, A.; Holwill, M.; Kozikov, A.; Novoselov, K.S.; Gigli, G. Bloch Surface Waves for MoS2 Emission Coupling and Polariton Systems. Appl. Sci. 2017, 7, 1217.

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