Issue 37, 2023

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

Abstract

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.

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

Supplementary files

Article information

Article type
Edge Article
Submitted
13 apr 2023
Accepted
18 avq 2023
First published
22 avq 2023
This article is Open Access

All publication charges for this article have been paid for by the Royal Society of Chemistry
Creative Commons BY-NC license

Chem. Sci., 2023,14, 10087-10095

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

T. Kudo, B. Louis, H. Sotome, J. Chen, S. Ito, H. Miyasaka, H. Masuhara, J. Hofkens and R. Bresolí-Obach, Chem. Sci., 2023, 14, 10087 DOI: 10.1039/D3SC01927F

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