Axial hexagonal evanescent fields in tapered multicore fiber for nanoparticles trapping and microsensing

Authors :: Qiang Wu
Zhen Tian
Nan-Kuang Chen
Perry Ping Shum
B. M. A. Rahman
Kenneth T. V. Grattan
Dong Yan
Daqin Wang
Liqiang Zhang
Source :: 14th Pacific Rim Conference on Lasers and Electro-Optics (CLEO PR 2020).
Publication Year :: 2020
Publisher :: Optica Publishing Group, 2020.
Abstract: By tapering a weakly-coupled MCF into a strongly-coupled MCF, supermode interference effects can be generated with the best extinction ratio, 47.4dB and tuning efficiency, 392nm/RIU. Up-conversion nanoparticles are attracted and aligned by hexagonal evanescent fields.

Subjects :: Materials science
Extinction ratio
business.industry
Optical force
Nanoparticle
Tapering
02 engineering and technology
Trapping
021001 nanoscience & nanotechnology
01 natural sciences
010309 optics
Interference (communication)
0103 physical sciences
Optoelectronics
Thin film
0210 nano-technology
business
Refractive index

Database :: OpenAIRE
Journal :: 14th Pacific Rim Conference on Lasers and Electro-Optics (CLEO PR 2020)
Accession number :: edsair.doi...........58b3c0282585e914b83dd75194e620b5
Full Text :: https://doi.org/10.1364/cleopr.2020.c4e_1

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