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Photonic Thermal Conductance in Multi-layer Photonic Crystals

Published online by Cambridge University Press:  31 January 2011

Wah Tung Lau
Affiliation:
wlau@stanford.eduwahtung@gmail.com, Stanford University, Electrical Engineering, Stanford, California, United States
Jung-Tsung Shen
Affiliation:
jushen@stanford.edu, Stanford University, Stanford, California, United States
Shanhui Fan
Affiliation:
shanhui@staford.edu, Stanford University, Electrical Engineering, Stanford, California, United States
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Abstract

Photonic thermal conductance of a multi-layer photonic crystal, when normalized with the corresponding thermal conductance of vacuum at each temperature, can be significantly below unity. The minimum of this normalized thermal conductance occurs at the high-temperature limit, and the conductance value at this limit is independent of the layer thicknesses. We give an analytic theory to explain such independence, and show that it is related to the ergodic nature of the distribution of photonic bands in frequency space.

Type
Research Article
Copyright
Copyright © Materials Research Society 2009

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References

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5 Eckmann, J. -P. and Ruelle, D. Rev. Mod. Phys. 57, 617 (1985).CrossRefGoogle Scholar

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