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Light harvesting by a spherical silicon microcavity

Author
Garin, M.; Fenollosa, R.; Ortega, P.; Meseguer, F.
Type of activity
Journal article
Journal
Journal of applied physics
Date of publication
2016
Volume
119
Number
3
First page
033101
Last page
(1-7)
DOI
https://doi.org/10.1063/1.4940047 Open in new window
Repository
http://hdl.handle.net/2117/84865 Open in new window
URL
http://scitation.aip.org/content/aip/journal/jap/119/3/10.1063/1.4940047 Open in new window
Abstract
Silicon colloids are presented as efficient absorbers in the VIS-NIR region. The theory of resonant absorption by Mie modes in a single high-index sphere is reviewed and engineering rules established. The presented model predicts enhanced absorption in the crystalline silicon band-to-band absorption region, with absorption efficiencies exceeding one in the VIS and excellent NIR response. A maximum resonant absorption efficiency close to 4 can be obtained at the violet region (425 nm), and value...
Citation
Garin, M., Fenollosa, R., Ortega, P., Meseguer, F. Light harvesting by a spherical silicon microcavity. "Journal of applied physics", 2016, vol. 119, núm. 3, p. 033101-(1-7).
Keywords
Mie resonances, Silicon microspheres, light harvesting, optical microcavity
Group of research
MNT - Micro and Nanotechnologies Research Group

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