ArticleScientific reports2014
Brownian motion in a speckle light field: tunable anomalous diffusion and selective optical manipulation.
Article in Scientific reports, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
- Mesoporous silica derivatives in random optical fields.iScience · 2026Article
- Speckle tweezers near water-oil and water-air interfaces.Biomedical optics express · 2026Article
- Deep learning for optical tweezers.Nanophotonics (Berlin, Germany) · 2024Review
- Light, Matter, Action: Shining Light on Active Matter.ACS photonics · 2023Review
- Fickian yet non-Gaussian diffusion of a quasi-2D colloidal system in an optical speckle field: experiment and simulations.Scientific reports · 2023Article
- First-passage statistics of colloids on fractals: Theory and experimental realization.Science advances · 2022Article
- Collective transient ratchet transport induced by many elastically interacting particles.Scientific reports · 2021Article
- Spatial coherence of light inside three-dimensional media.Nature communications · 2021Article
- Opto-thermoelectric speckle tweezers.Nanophotonics (Berlin, Germany) · 2020Article
- High-performance reconstruction of microscopic force fields from Brownian trajectories.Nature communications · 2018Article
- The nanofluidic confinement apparatus: studying confinement-dependent nanoparticle behavior and diffusion.Beilstein journal of nanotechnology · 2018Article
- Active dynamics of colloidal particles in time-varying laser speckle patterns.Scientific reports · 2016Article
- Disorder-mediated crowd control in an active matter system.Nature communications · 2016Article
- Article
- Trapping and assembling of particles and live cells on large-scale random gold nano-island substrates.Scientific reports · 2015Article
- Optical focusing deep inside dynamic scattering media with near-infrared time-reversed ultrasonically encoded (TRUE) light.Nature communications · 2015Article
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The motion of particles in random potentials occurs in several natural phenomena ranging from the mobility of organelles within a biological cell to the diffusion of stars within a galaxy. A Brownian particle moving in the random optical potential associated to a speckle pattern, i.e., a complex interference pattern generated by the scattering of coherent light by a random medium, provides an ideal model system to study such phenomena. Here, we derive a theory for the motion of a Brownian particle in a speckle field and, in particular, we identify its universal characteristic timescale. Based on this theoretical insight, we show how speckle light fields can be used to control the anomalous diffusion of a Brownian particle and to perform some basic optical manipulation tasks such as guiding and sorting. Our results might broaden the perspectives of optical manipulation for real-life applications.
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Registered trials
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