Momentum-Topology-Induced Optical Pulling Force

Hang Li¹, Yongyin Cao¹, Bojian Shi¹, Tongtong Zhu², Yong Geng³, Rui Feng¹, Lin Wang¹, Fangkui Sun¹, Yuzhi Shi⁴, Mohammad Ali Miri⁵, Manuel Nieto-Vesperinas⁶, Cheng-Wei Qiu⁷, Weiqiang Ding^{1

8}

Affiliations

¹ Institute of Advanced Photonics, School of Physics, Harbin Institute of Technology, Harbin 150001, China.
² School of Optoelectronic Engineering and Instrumentation Science, Dalian University of Technology, Dalian 116024, China.
³ Center of Ultra-Precision Optoelectronic, Instrument Engineering, Harbin Institute of Technology, Harbin 150001, China.
⁴ School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore.
⁵ Department of physics, Queens College of the City University of New York, Queens, New York 11367, USA.
⁶ Instituto de Ciencia de Materiales de Madrid, Consejo Superior de Investigaciones Científicas, Campus de Cantoblanco, Madrid 28049, Spain.
⁷ Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117583, Singapore.
⁸ Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, Shanxi, China.

PMID: 32338962
DOI: 10.1103/PhysRevLett.124.143901

Momentum-Topology-Induced Optical Pulling Force

Hang Li et al. Phys Rev Lett. 2020.

. 2020 Apr 10;124(14):143901.

doi: 10.1103/PhysRevLett.124.143901.

Authors

Affiliations

¹ Institute of Advanced Photonics, School of Physics, Harbin Institute of Technology, Harbin 150001, China.
² School of Optoelectronic Engineering and Instrumentation Science, Dalian University of Technology, Dalian 116024, China.
³ Center of Ultra-Precision Optoelectronic, Instrument Engineering, Harbin Institute of Technology, Harbin 150001, China.
⁴ School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore.
⁵ Department of physics, Queens College of the City University of New York, Queens, New York 11367, USA.
⁶ Instituto de Ciencia de Materiales de Madrid, Consejo Superior de Investigaciones Científicas, Campus de Cantoblanco, Madrid 28049, Spain.
⁷ Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117583, Singapore.
⁸ Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, Shanxi, China.

PMID: 32338962
DOI: 10.1103/PhysRevLett.124.143901

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.

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Momentum-Topology-Induced Optical Pulling Force

Affiliations

Momentum-Topology-Induced Optical Pulling Force

Authors

Affiliations

Abstract

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