Abstract

We demonstrate a simple approach based on a photonic lantern spatial-mode multiplexer and a few-mode fiber for optical and manipulation of multiple microspheres. Selective generation of linearly polarized (LP) fiber modes provides light patterns useful for trapping one or multiple microparticles. Furthermore, rotation of the particles can be achieved by switching between degenerate LP modes, as well as through polarization rotation of the input light. Our results show that emerging fiber optic devices such as photonic lanterns can provide a versatile and compact means for developing optical fiber traps.

© 2018 Optical Society of America

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Supplementary Material (3)

NameDescription
» Visualization 1       Video showing the trapping of 8 um borosilicate microparticles using a photonic lantern spliced to a 2-LP few-mode fiber and the movement of the particles between the two LP11 degenerate modes by switching the input fiber of the photonic lantern.
» Visualization 2       Video showing the rotation of the 8 um borosilicate microparticles by using a photonic lantern spliced to a 2-LP few-mode fiber and adjusting the polarization of the signal at one of the photonic lantern inputs corresponding to the LP11a spatial mode.
» Visualization 3       Rotation of a 4.8 um polystyrene microparticles cluster trapped using a photonic lantern spliced to a 2-LP few-mode fiber and adjusting the polarization of the signal in one of the photonic lantern inputs corresponding to the LP11a spatial mode.

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