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20 August 2020 Magneto-optical control of radiative heat transfer and optical forces
Antonio Garcia-Martin
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Proceedings Volume 11461, Active Photonic Platforms XII; 114610J (2020) https://doi.org/10.1117/12.2567281
Event: SPIE Nanoscience + Engineering, 2020, Online Only
Abstract
Here, we show that magneto-optically resonant particles present a large anisotropic thermal magnetoresistance (ATMR) in the near-field radiative heat transfer when the direction of an external magnetic field is changed with respect to the heat current direction. We illustrate this effect with the case of two InSb particles where we find that the ATMR amplitude can reach values of up to 800% for a magnetic field of 5 T, orders of magnitude larger than its spintronic analogue. We also show that this two InSb particles experience non-reciprocal forces leading to a Stern-Gerlach like effect and permanent non-reciprocal torque.
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Antonio Garcia-Martin "Magneto-optical control of radiative heat transfer and optical forces", Proc. SPIE 11461, Active Photonic Platforms XII, 114610J (20 August 2020); https://doi.org/10.1117/12.2567281
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KEYWORDS
Magneto-optics
Radiative energy transfer
Magnetism
Near field optics
Particles
Modulation
Molybdenum
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