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Updated: Jan 7, 2026

Construction and Operation of a Light-driven Gold Nanorod Rotary Motor System

Construction and Operation of a Light-driven Gold Nanorod Rotary Motor System

Published on: June 30, 2018

Nanodrone Driven by Symmetry-Selective Light Recoiling.

Dongyong Wang¹, Xiao Li^1,2, Fan Nan^3,4

¹State Key Laboratory of Quantum Functional Materials, Department of Physics, and Guangdong Basic Research Center of Excellence for Quantum Science, Southern University of Science and Technology (SUSTech), Shenzhen, 518055 Guangdong, China.

|December 30, 2025

Summary

This summary is machine-generated.

Researchers developed a novel light-driven nanodrone using particle symmetry for precise nanoscale control. This breakthrough overcomes limitations in fabricating and controlling optical nanomachines, paving the way for advanced applications.

Keywords:

D3-symmetry far-field optical manipulations light recoiling light-driven nanodrone optical forces and torques optical manipulations

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Area of Science:

Nanotechnology
Optics
Materials Science

Background:

Optical nanomachines, like light-driven nanodrones, are promising for nanoscale tasks.
Scaling light-driven microdrones to the nanoscale faces challenges like fabrication limits and weakened optical forces.

Purpose of the Study:

To introduce a scalable mechanism for controlling optical nanomachines at the nanoscale.
To overcome fabrication and optical interference challenges in nanoscale light-driven devices.

Main Methods:

Exploiting particle symmetry to control motion via optical recoil forces.
Utilizing the polarization state of a plane wave to direct particle movement.
Demonstrating control with D3-symmetric triangular silicon nanopillars.

Main Results:

Achieved polarization-controlled, single-beam actuation of a light-driven nanodrone.
Demonstrated that particle symmetry dictates response to light polarization (e.g., D3 symmetry induces lateral force with linear polarization).
Showcased robust control mitigating Brownian motion and fabrication imperfections.

Conclusions:

A symmetry-based strategy enables scalable and robust control of optical nanomachines from micro- to nanoscale.
This approach offers a viable pathway for advanced nanoscale applications requiring precise motion control.
The developed nanodrone technology holds significant potential for future scientific and technological advancements.