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Dynamic modulation of optical potential wells and rotating nanoparticles by radiation force
Jingjing Su1, Nan Li2, Chuyun Jin1
1School of Transportation Management, Zhejiang Institute of Communications, Hangzhou 311112, China.
Iscience
|April 17, 2026
Summary
Researchers developed a method for controlling multiple optical traps, enabling precise manipulation and rotation of nanoparticles. This breakthrough offers new possibilities for quantum technology applications by adjusting optical trap stiffness.
Area of Science:
- Optics
- Quantum Physics
- Nanotechnology
Background:
- Multiple optical traps offer advantages like adjustable positions and nanoparticle rotation.
- Controllable Gaussian optical traps can generate distinct beam shapes and trap different nanoparticles simultaneously.
Purpose of the Study:
- To establish dynamic regulation of gradient fields in multi-beam optical traps.
- To enable particle rotation manipulation using optical field properties.
Main Methods:
- Utilizing the distribution formula for arrays of Gaussian beams.
- Establishing dynamic regulation of gradient fields within multi-beam optical traps.
Main Results:
- Demonstrated dynamic regulation of gradient fields for particle rotation.
- Showcased manipulation dependent solely on the optical field properties of a single specialized beam.
Conclusions:
- Flexible adjustment of optical trap stiffness and photoinduced rotation are key for quantum field applications.
- The developed method allows for precise control and manipulation of particles within optical traps.
