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Light scattering processes in photonic microstructures

Grant number: 13/20180-3
Support type:Research Grants - Young Investigators Grants
Duration: February 01, 2014 - January 31, 2019
Field of knowledge:Physical Sciences and Mathematics - Physics
Principal Investigator:Paulo Clóvis Dainese Júnior
Grantee:Paulo Clóvis Dainese Júnior
Home Institution: Instituto de Física Gleb Wataghin (IFGW). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated grant(s):14/20281-7 - Multi-User Equipment approved under grant 2013/20180-3: optical spectrum analyzer, AP.EMU
14/20277-0 - Multi-User Equipment approved in grant 2013/20180: pulsed laser, AP.EMU
Associated scholarship(s):17/17832-0 - Non linear effects Cherenkov radiation in waveguides, BP.IC
17/17093-2 - Thermos-optic effect on integrated photonics devices, BP.IC
17/17855-0 - Photonic devices based on optical forces, BP.IC
15/08786-9 - Light scattering processes in photonic microstructures, BP.IC


Photonic structures with micro to nano-scale feature size have inspired great interest due to their ability to control the propagation of light and its interaction with matter. Light scattering, both linear and nonlinear, is one of the most important physical mechanisms that govern propagation and confinement characteristics in these structures. Scattering loss for example is recognized to be the main limitation for further progress in the field of microstructured photonic devices. Understanding scattering processes in detail is therefore of key importance, both fundamentally as well as for practical applications such as in parametric oscillators, advanced fibers for telecommunications, integrated photonic devices for future on-chip communication, solar cells, and nanophotonic biosensors. In this project, we propose to develop modeling and experimental methods to study linear and nonlinear light scattering in a variety photonic structures, aiming particularly at micro-structured fibers and semiconductor based photonic structures. (AU)

Articles published in Revista Pesquisa FAPESP about the project
Bright future 

Scientific publications (8)
(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)
LAMILLA, ERICK; FARIA, MAICON S.; ALDAYA, IVAN; JARSCHEL, PAULO F.; PITA, JULIAN L.; DAINESE, PAULO. Characterization of surface-states in a hollow core photonic crystal fiber. Optics Express, v. 26, n. 25, p. 32554-32564, DEC 10 2018. Web of Science Citations: 0.
GIL-MOLINA, ANDRES; ALDAYA, IVAN; PITA, JULIAN L.; GABRIELLI, LUCAS H.; FRAGNITO, HUGO L.; DAINESE, PAULO. Optical free-carrier generation in silicon nano-waveguides at 1550nm. Applied Physics Letters, v. 112, n. 25 JUN 18 2018. Web of Science Citations: 1.
GIL-MOLINA, A.; PEREZ-RAMIREZ, A.; RAMIREZ, J. C.; GABRIELLI, L. H.; FRAGNITO, H. L. Shift of zero-dispersion wavelength in bent optical fibers. Optics Express, v. 26, n. 6, p. 6700-6714, MAR 19 2018. Web of Science Citations: 0.
JARSCHEL, P. F.; MAGALHAES, L. S.; ALDAYA, I.; FLOREZ, O.; DAINESE, P. Fiber taper diameter characterization using forward Brillouin scattering. OPTICS LETTERS, v. 43, n. 5, p. 995-998, MAR 1 2018. Web of Science Citations: 5.
PITA, JULIAN L.; ALDAYA, IVAN; DAINESE, PAULO; HERNANDEZ-FIGUEROA, HUGO E.; GABRIELLI, LUCAS H. Design of a compact CMOS-compatible photonic antenna by topological optimization. Optics Express, v. 26, n. 3, p. 2435-2442, FEB 5 2018. Web of Science Citations: 0.
PITA, JULIAN L.; ALDAYA, IVAN; SANTANA, OCTAVIO J. S.; DE ARAUJO, LUIS E. E.; DAINESE, PAULO; GABRIELLI, LUCAS H. Side-lobe level reduction in bio-inspired optical phased-array antennas. Optics Express, v. 25, n. 24, p. 30105-30114, NOV 27 2017. Web of Science Citations: 6.
ALDAYA, I.; GIL-MOLINA, A.; PITA, J. L.; GABRIELLI, L. H.; FRAGNITO, H. L.; DAINESE, P. Nonlinear carrier dynamics in silicon nano-waveguides. OPTICA, v. 4, n. 10, p. 1219-1227, OCT 20 2017. Web of Science Citations: 7.
FLOREZ, O.; JARSCHEL, P. F.; ESPINEL, Y. A. V.; CORDEIRO, C. M. B.; MAYER ALEGRE, T. P.; WIEDERHECKER, G. S.; DAINESE, P. Brillouin scattering self-cancellation. NATURE COMMUNICATIONS, v. 7, JUN 2016. Web of Science Citations: 39.

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