Thermodynamic Upper Bound on Broadband Light Coupling with Photonic Structures
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ArticleKAUST Grant Number
KUSC1-015-21Date
2012-10-23Permanent link to this record
http://hdl.handle.net/10754/600002
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The coupling between free space radiation and optical media critically influences the performance of optical devices. We show that, for any given photonic structure, the sum of the external coupling rates for all its optical modes are subject to an upper bound dictated by the second law of thermodynamics. Such bound limits how efficient light can be coupled to any photonic structure. As one example of application, we use this upper bound to derive the limit of light absorption in broadband solar absorbers. © 2012 American Physical Society.Citation
Yu Z, Raman A, Fan S (2012) Thermodynamic Upper Bound on Broadband Light Coupling with Photonic Structures. Physical Review Letters 109. Available: http://dx.doi.org/10.1103/PhysRevLett.109.173901.Sponsors
This work was supported in part by the Center for Advanced Molecular Photovoltaics (Grant No. KUSC1-015-21), made by King Abdullah University of Science and Technology, and by Department of Energy Grant No. DE-FG02-07ER46426. A. R. also acknowledges the support of the Alberta Scholarship Programs Sir James Lougheed Award of Distinction.Publisher
American Physical Society (APS)Journal
Physical Review LettersPubMed ID
23215189ae974a485f413a2113503eed53cd6c53
10.1103/PhysRevLett.109.173901
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