Realization of optical pulling forces using chirality

Kun Ding, Tsz Fai Jack NG, Lei Zhou, C. T. Chan

Research output: Contribution to journalJournal articlepeer-review

92 Citations (Scopus)


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.

Original languageEnglish
Article number063825
JournalPhysical Review A
Issue number6
Publication statusPublished - 27 Jun 2014

Scopus Subject Areas

  • Atomic and Molecular Physics, and Optics


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