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Proceedings Paper

Ultrahigh contrast and large-bandwidth thermal rectification in near-field electromagnetic thermal transfer between nanoparticles
Author(s): Linxiao Zhu; Clayton R. Otey; Shanhui Fan
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Paper Abstract

We exploit the unique properties of electromagnetic waves in nanophotonic structures to enhance the capabilities for active control of electromagnetic thermal transfer at nanoscale. We show that the near-field thermal transfer between two nanospheres can exhibit thermal rectification effect with very high contrast, and with large operating bandwidth. In this system, the scale invariance properties of the resonance modes result in a large difference in the coupling constants between relevant modes in the forward and reverse scenarios. Such a difference in coupling constants provides a new mechanism for thermal rectification.

Paper Details

Date Published: 10 September 2014
PDF: 9 pages
Proc. SPIE 9161, Nanophotonic Materials XI, 91610T (10 September 2014); doi: 10.1117/12.2061262
Show Author Affiliations
Linxiao Zhu, Stanford Univ. (United States)
Clayton R. Otey, Stanford Univ. (United States)
Shanhui Fan, Stanford Univ. (United States)


Published in SPIE Proceedings Vol. 9161:
Nanophotonic Materials XI
Stefano Cabrini; Gilles Lérondel; Adam M. Schwartzberg; Taleb Mokari, Editor(s)

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