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14 March 2016 An investigation of semiconductor nanoparticles for application to all-optical switching
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Abstract
A practical all-optical switch is necessary to alleviate electronic bottlenecks in fibre optic networks. Thus, a new alloptical switch is introduced here—exhibiting femtojoule switching energies and femtosecond switching times. The alloptical switches use 40 μm dielectric spheres to direct high-intensity photonic nanojets into peripheral coatings of semiconductor nanoparticles. Semiconductor nanoparticle coatings of Si, CdTe, InP, and CuO are studied and found to yield switching energies of approximately 1 pJ, 500 fJ, 400 fJ, and 300 fJ with switching times of 2 ps, 2.3 ps, 900 fs, and 350 fs, respectively.
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Brandon Born, Simon Geoffroy-Gagnon, and Jonathan F. Holzman "An investigation of semiconductor nanoparticles for application to all-optical switching", Proc. SPIE 9746, Ultrafast Phenomena and Nanophotonics XX, 97460E (14 March 2016); https://doi.org/10.1117/12.2208638
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