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Title: Momentum-topology-induced optical pulling force
Authors: Li, Hang
Cao, Yongyin
Shi, Bojian
Zhu, Tongtong
Geng, Yong
Feng, Rui
Wang, Lin
Sun, Fangkui
Shi, Yuzhi
Mohammad Ali Miri
Nieto-Vesperinas, Manuel
Qiu, Cheng-Wei
Ding, Weiqiang
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2020
Source: Li, H., Cao, Y., Shi, B., Zhu, T., Geng, Y., Feng, R., . . . Ding, W. (2020). Momentum-topology-induced optical pulling force. Physical Review Letters, 124(14), 143901-. doi:10.1103/PhysRevLett.124.143901
Project: R-263-000-D11-114
Journal: Physical Review Letters
Abstract: We report an ingenious mechanism to obtain robust optical pulling force by a single plane wave via engineering the topology of light momentum in the background. The underlying physics is found to be the topological transition of the light momentum from a usual convex shape to a starlike concave shape in the carefully designed background, such as a photonic crystal structure. The principle and results reported here shed insightful concepts concerning optical pulling, and pave the way for a new class of advanced optical manipulation technique, with potential applications of drug delivery and cell sorting.
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.124.143901
Schools: School of Electrical and Electronic Engineering 
Rights: © 2020 American Physical Society. All rights reserved. This paper was published in Physical Review Letters and is made available with permission of American Physical Society.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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