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Title: Copropagating pump and probe experiments on Si-nc in SiO2 rib waveguides doped with Er: The optical role of non-emitting ions
Author: Navarro Urrios, Daniel
Ferrarese Lupi, Federico
Prtljaga, Nikola
Pitanti, Alessandro
Jambois, Olivier
Ramírez Ramírez, Joan Manel
Berencén Ramírez, Yonder Antonio
Daldosso, Nicola
Garrido Fernández, Blas
Pavesi, Lorenzo
Keywords: Fotònica
Òptica integrada
Integrated optics
Issue Date: 2011
Publisher: American Institute of Physics
Abstract: We present a study that demonstrates the limits for achieving net optical gain in an optimized waveguide where Si nanoclusters in SiO2 codoped with Er3+ are the active material. By cross correlating absorption losses measurements with copropagant pump (λpump = 1.48 µm) and probe (λprobe = 1.54 µm) experiments we reveal that the role of more than 80% of the total Er3+ population present on the material (intended for optical amplification purposes) is to absorb the propagating light, since it is unfeasible to invert it.
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It is part of: Applied Physics Letters, 2011, vol. 99, núm. 23, 231114
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ISSN: 0003-6951
Appears in Collections:Articles publicats en revistes (Enginyeria Electrònica i Biomèdica)
Publicacions de projectes de recerca finançats per la UE

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