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Non-linear effects and dissipation in optomechanical cavities

Grant number: 20/06348-2
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): September 01, 2020
Effective date (End): July 31, 2023
Field of knowledge:Physical Sciences and Mathematics - Physics - General Physics
Principal researcher:Thiago Pedro Mayer Alegre
Grantee:Cauê Moreno Kersul de Castro Carvalho
Home Institution: Instituto de Física Gleb Wataghin (IFGW). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated research grant:18/15580-6 - Optomechanical cavities towards single photon strong coupling, AP.JP2


In this project we will study, theoretically and experimentally, the influence of dissipation and of optical nonlinearities over optomechanical devices. Those effects are the main performance limiting factors in optomechanical devices. Nevertheless under certain conditions, when correctly optimized, they can enhance the optomechanical interaction. Through our project we will use new materials and develop new geometries and experimental techniques both for the suppression and for the optimization of nonlinear effects. (AU)

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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)
RODRIGUES, CAIQUE C.; KERSUL, CAUE M.; PRIMO, ANDRE G.; LIPSON, MICHAL; ALEGRE, THIAGO P. MAYER; WIEDERHECKER, GUSTAVO S. Optomechanical synchronization across multi-octave frequency spans. NATURE COMMUNICATIONS, v. 12, n. 1 SEP 24 2021. Web of Science Citations: 0.
PRIMO, ANDRE G.; KERSUL, CAUE M.; BENEVIDES, RODRIGO; CARVALHO, NATALIA C.; MENARD, MICHAEL; FRATESCHI, NEWTON C.; DE ASSIS, PIERRE-LOUIS; WIEDERHECKER, GUSTAVO S.; MAYER ALEGRE, THIAGO P. Accurate modeling and characterization of photothermal forces in optomechanics. APL PHOTONICS, v. 6, n. 8 AUG 1 2021. Web of Science Citations: 0.
PRIMO, ANDRE G.; CARVALHO, NATALIA C.; KERSUL, CAUE M.; FRATESCHI, NEWTON C.; WIEDERHECKER, GUSTAVO S.; MAYER ALEGRE, THIAGO P. Quasinormal-Mode Perturbation Theory for Dissipative and Dispersive Optomechanics. Physical Review Letters, v. 125, n. 23 DEC 2 2020. Web of Science Citations: 1.

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