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Light scattering processes in photonic microstructures


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)

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Scientific publications (11)
(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)
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, . (12/50259-8, 15/04113-0, 13/20180-3)
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, . (08/57857-2, 15/04113-0, 13/20180-3)
JARSCHEL, PAULO F.; LAMILLA, ERICK; ESPINEL, YOVANNY A. V.; ALDAYA, IVAN; PITA, JULIAN L.; GIL-MOLINA, ANDRES; WIEDERHECKER, GUSTAVO S.; DAINESE, PAULO. Intermodal Brillouin scattering in solid-core photonic crystal fibers. APL PHOTONICS, v. 6, n. 3, . (13/20180-3, 18/15577-5, 18/25339-4, 15/24517-8, 08/57857-2)
PITA RUIZ, JULIAN L.; ROCHA, LUCAS G.; YANG, JUN; KOCABAS, SUKRU EKIN; LI, MING-JUN; ALDAYA, IVAN; DAINESE, PAULO; GABRIELLI, LUCAS H.. Compact dual-polarization silicon integrated couplers for multicore fibers. OPTICS LETTERS, v. 46, n. 15, p. 3649-3652, . (16/19270-6, 15/24517-8, 13/20180-3)
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, . (08/57857-2, 13/20180-3, 15/04113-0)
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, . (08/57857-2, 13/20180-3, 15/24517-8, 16/19270-6, 15/04113-0)
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, . (15/11779-4, 12/50259-8, 15/04113-0, 13/20180-3)
WIEDERHECKER, GUSTAVO S.; DAINESE, PAULO; MAYER ALEGRE, THIAGO P.. Brillouin optomechanics in nanophotonic structures. APL PHOTONICS, v. 4, n. 7, . (08/57857-2, 12/17765-7, 18/15580-6, 13/20180-3, 12/17610-3, 18/15577-5)
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, . (08/57857-2, 12/17765-7, 12/17610-3, 13/20180-3)
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, . (08/57857-2, 13/20180-3)
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, . (15/11779-4, 08/57857-2, 12/50259-8, 13/20180-3)

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