Entropy driven multi-photon frequency up-conversion

@article{Manor2013EntropyDM,
  title={Entropy driven multi-photon frequency up-conversion},
  author={Assaf Manor and Nimrod Kruger and Carmel Rotschild},
  journal={CLEO: 2013},
  year={2013},
  pages={1-2}
}
We experimentally demonstrate a fundamentally new, entropy driven photon up-conversion mechanism, where 10.6μ photons are tenfold up-converted to 1μ with efficiency of 10%. This work opens novel ways of converting thermal-radiation to electricity. 
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