@article{3ef19be354c5430daf38de75e3ee838e,
title = "A path to practical solar pumped lasers via radiative energy transfer",
abstract = "The optical conversion of incoherent solar radiation into a bright, coherent laser beam enables the application of nonlinear optics to solar energy conversion and storage. Here, we present an architecture for solar pumped lasers that uses a luminescent solar concentrator to decouple the conventional trade-off between solar absorption efficiency and the mode volume of the optical gain material. We report a 750-μm-thick Nd 3+ -doped YAG planar waveguide sensitized by a luminescent CdSe/CdZnS (core/shell) colloidal nanocrystal, yielding a peak cascade energy transfer of 14\%, a broad spectral response in the visible portion of the solar spectrum, and an equivalent quasi-CW solar lasing threshold of 23W-cm-2, or approximately 230 suns. The efficient coupling of incoherent, spectrally broad sunlight in small gain volumes should allow the generation of coherent laser light from intensities of less than 100 suns.",
author = "Reusswig, \{Philip D.\} and Sergey Nechayev and Scherer, \{Jennifer M.\} and Hwang, \{Gyu Weon\} and Bawendi, \{Moungi G.\} and Baldo, \{Marc A.\} and Carmel Rotschild",
note = "Funding Information: This work was initially supported under the Center for Excitonics, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences and subsequently by the Cooperative Agreement between the Masdar Institute of Science and Technology (Masdar Institute), Abu Dhabi, UAE and the Massachusetts Institute of Technology. J.M.S. acknowledges governmental support, awarded by the Department of Defense, Air Force Office of Scientific Research, National Defense Science and Engineering Graduate (NDSEG) Fellowship. G.W.H. acknowledges support by the US Army through the Institute of Soldier Nanotechnology. C.R. acknowledges the partial supported by the Russell Berrie Nanotechnology Institute (RBNI), and the Grand Technion Energy Program (GTEP) and comprises part of The Leona M. and Harry B. Helmsley Charitable Trust reports on Alternative Energy series of the Technion, Israel Institute of Technology and the Weizmann Institute of Science. Funding: U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, DESC0001088 (MIT); Cooperative Agreement between the Masdar Institute of Science and Technology (Masdar Institute), Abu Dhabi, UAE and the MIT, 02/MI/MI/CP/11/07633/GEN/G/. Department of Defense, Air Force Office of Scientific Research, National Defense Science and Engineering Graduate (NDSEG) Fellowship, 32 CFR 168a, FA9550-11-C-0028. US Army, Institute of Soldier Nanotechnology, W911NF-13-D-0001. Publisher Copyright: {\textcopyright} 2015 Macmillan Publishers Limited. All rights reserved.",
year = "2015",
month = oct,
day = "5",
doi = "10.1038/srep14758",
language = "English",
volume = "5",
journal = "Scientific Reports",
issn = "2045-2322",
publisher = "Nature Research",
}
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