Oto Brzobohaty, Stephen Simpson, Martin Siler, Petr Jakl, Jana Damkova, Vojtech Svak, Alejandro Arzola, Karen Volke-Sepulveda, Radim Filip and Pavel Zemanek
We will present our recent theoretical and experimental results related to the behaviour of micro- and nanoparticle placed into nonlinear optical potentials under overdamped or underdamped regime. The two-dimensional optical ratchet rectifies motion of Brownian particles in any direction in the plane, unstable cubic optical potential results in noise-induced particle motion and action of non-conservative optical spin-force leads to orbiting of a levitated particle.
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