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Active devices exploiting capacitively-inducedc free-carrier effects in silicon waveguides

Grant number: 15/20525-6
Support type:Scholarships abroad - Research Internship - Doctorate
Effective date (Start): February 01, 2016
Effective date (End): January 31, 2017
Field of knowledge:Physical Sciences and Mathematics - Physics - Condensed Matter Physics
Principal researcher:Newton Cesario Frateschi
Grantee:Mário César Mendes Machado de Souza
Supervisor abroad: Yeshaiahu Fainman
Home Institution: Instituto de Física Gleb Wataghin (IFGW). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Research place: University of California, San Diego (UC San Diego), United States  
Associated to the scholarship:14/04748-2 - Coupled microresonators applied to signal processing and photonics integration, BP.DR


This project will involve theoretical and experimental characterization of capacitively-induced free-carrier effects in silicon waveguides. We anticipate our results to show that, in addition to being a critical factor in the analysis of such active Si photonics devices as capacitively-driven silicon modulators, this effect should also be taken into account when considering the propagation losses of passive silicon waveguides. (AU)

News published in Agência FAPESP Newsletter about the scholarship:
Espectrômetro de infravermelho que cabe em um chip 
Infrared spectrometer on a chip 
Un espectrómetro de infrarrojo que cabe en un chip 

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
SOUZA, MARIO C. M. M.; GRIECO, ANDREW; FRATESCHI, NEWTON C.; FAINMAN, YESHAIAHU. Fourier transform spectrometer on silicon with thermo-optic non-linearity and dispersion correction. NATURE COMMUNICATIONS, v. 9, FEB 14 2018. Web of Science Citations: 25.
DAVIS, JORDAN A.; GRIECO, ANDREW; SOUZA, MARIO C. M. M.; FRATESCHI, NEWTON C.; FAINMAN, YESHAIAHU. Hybrid multimode resonators based on grating-assisted counter-directional couplers. Optics Express, v. 25, n. 14, p. 16484-16490, JUL 10 2017. Web of Science Citations: 3.

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Filed patent(s) as a result of this research project

Solicitação em análise e dentro do prazo legal de sigilo previsto na legislação BR1020170270157 - Universidade Estadual de Campinas (UNICAMP) . Solicitação em análise e dentro do prazo legal de sigilo previsto na legislação - December 2017, 14