Document Type

Journal Article

Department/Unit

Department of Physics

Title

Realization of optical pulling forces using chirality

Abstract

The optical force acting on a chiral particle is qualitatively different from that acting on an achiral particle due to chirality-dependent forces which couple mechanical linear momentum with optical spin angular momentum. We show that such chirality-induced coupling can serve as a mechanism to realize optical pulling forces that can be predicted analytically and are also observed in full wave simulations for chiral structures.

Publication Year

2014

Journal Title

Physical Review A

Volume number

89

Publisher

American Physical Society

First Page (page number)

063825-1

Last Page (page number)

063825-7

Referreed

1

Funder

This work was supported by CRF Grant No. HKUST2/ CRF/11G and AoEGrant No.AOE/P-02/12 from the Research Grants Council of Hong Kong. J.N. was supported by a GRF Grant No. 604011. L.Z. was supported by NSFC Grants No. 60990321 and No. 11174055 and a grant from the Program of Shanghai Subject Chief Scientist (No. 12XD1400700).

DOI

10.1103/PhysRevA.89.063825

ISSN (print)

10502947

Link to Publisher’s Edition

http://dx.doi.org/10.1103/PhysRevA.89.063825

ISSN (electronic)

10941622

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