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Multimode couplers for integrated photonics


Optical communication channels evolve to supply the demand for ever increasing transmission rates in response to new entertainment technologies, services, and high performance computing. Together with conventional wavelength, division multiplexing and advanced modulation formats, the use of space (or mode) division multiplexing presents the next step in the capacity evolution path. Following the same tendency, nanophotonics presents mechanisms for modal multiplexing in the same platform of modulation, detection and signal processing, but it still does not offer efficient devices to couple multimode channels and integrated waveguides. This project proposes the development of nanophotonic couplers for communication channels supporting space division multiplexing and their demonstration in high bit rate systems, considering in particular multicore and few-mode fibers, and free-space beams with orbital angular momentum. (AU)

Scientific publications (4)
(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)
PITA RUIZ, JULIAN L.; ALDAYA, IVAN; DAINESE, PAULO; GABRIELLI, LUCAS H. Design of Compact Arbitrary-Ratio Multimode Power Splitters Based on Topological Derivative. IEEE PHOTONICS TECHNOLOGY LETTERS, v. 32, n. 18, p. 1187-1190, SEP 15 2020. Web of Science Citations: 0.
PITA RUIZ, JULIAN L.; AMAD, ALAN A. S.; GABRIELLI, LUCAS H.; NOVOTNY, ANTONIO ANDRE. Optimization of the electromagnetic scattering problem based on the topological derivative method. Optics Express, v. 27, n. 23, p. 33586-33605, NOV 11 2019. Web of Science Citations: 0.
RAMIREZ, JHONATTAN C.; GABRIELLI, LUCAS H.; LECHUGA, LAURA M.; HERNANDEZ-FIGUEROA, HUGO E. Trimodal Waveguide Demonstration and Its Implementation as a High Order Mode Interferometer for Sensing Application. SENSORS, v. 19, n. 12 JUN 2 2019. Web of Science Citations: 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, FEB 5 2018. Web of Science Citations: 1.

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