Gaining control on optical force by the stimulated-emission resonance effect

Tetsuhiro Kudo, Boris Louis, Hikaru Sotome, Jui Kai Chen, Syoji Ito, Hiroshi Miyasaka, Hiroshi Masuhara, Johan Hofkens, Roger Bresolí-Obach

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The resonance between an electronic transition of a micro/nanoscale object and an incident photon flux can modify the radiation force exerted on that object, especially at an interface. It has been theoretically proposed that a non-linear stimulated emission process can also induce an optical force, however its direction will be opposite to conventional photon scattering/absorption processes. In this work, we experimentally and theoretically demonstrate that a stimulated emission process can induce a repulsive pulling optical force on a single trapped dye-doped particle. Moreover, we successfully integrate both attractive pushing (excited state absorption) and repulsive pulling (stimulated emission) resonance forces to control the overall exerted optical force on an object, validating the proposed non-linear optical resonance theory. Indeed, the results presented here will enable the optical manipulation of the exerted optical force with exquisite control and ultimately enable single particle manipulation.

Idioma originalAnglès
Pàgines (de-a)10087-10095
Nombre de pàgines9
RevistaChemical Science
Estat de la publicacióPublicada - 22 d’ag. 2023


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