Bloch surface waves confined in one dimension with a single polymeric nanofibre

Ruxue Wang, Hongyan Xia, Douguo Zhang (), Junxue Chen, Liangfu Zhu, Yong Wang, Erchan Yang, Tianyang Zang, Xiaolei Wen, Gang Zou (), Pei Wang, Hai Ming, Ramachandram Badugu and Joseph R. Lakowicz
Additional contact information
Ruxue Wang: Institute of Photonics, University of Science and Technology of China
Hongyan Xia: CAS Key Laboratory of Soft Matter Chemistry, iChEM, University of Science and Technology of China
Douguo Zhang: Institute of Photonics, University of Science and Technology of China
Junxue Chen: School of Science, Southwest University of Science and Technology
Liangfu Zhu: Institute of Photonics, University of Science and Technology of China
Yong Wang: Institute of Photonics, University of Science and Technology of China
Erchan Yang: Institute of Photonics, University of Science and Technology of China
Tianyang Zang: Institute of Photonics, University of Science and Technology of China
Xiaolei Wen: Center for Micro- and Nanoscale Research and Fabrication, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China
Gang Zou: CAS Key Laboratory of Soft Matter Chemistry, iChEM, University of Science and Technology of China
Pei Wang: Institute of Photonics, University of Science and Technology of China
Hai Ming: Institute of Photonics, University of Science and Technology of China
Ramachandram Badugu: Center for Fluorescence Spectroscopy, University of Maryland School of Medicine
Joseph R. Lakowicz: Center for Fluorescence Spectroscopy, University of Maryland School of Medicine

Nature Communications, 2017, vol. 8, issue 1, 1-10

Abstract: Abstract Polymeric fibres with small radii (such as 125 nm) are delicate to handle and should be laid down on a solid substrate to obtain practical devices. However, placing these nanofibres on commonly used glass substrates prevents them from guiding light. In this study, we numerically and experimentally demonstrate that when the nanofibre is placed on a suitable dielectric multilayer, it supports a guided mode, a Bloch surface wave (BSW) confined in one dimension. The physical origin of this new mode is discussed in comparison with the typical two-dimensional BSW mode. Polymeric nanofibres are easily fabricated to contain fluorophores, which make the dielectric nanofibre and multilayer configuration suitable for developing a large range of new nanometric scale devices, such as processor–memory interconnections, devices with sensitivity to target analytes, incident polarization and multi-colour BSW modes.

Date: 2017
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DOI: 10.1038/ncomms14330

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