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Tailoring group-velocity dispersion in microspheres with alumina coating

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Author(s):
Inga, Marvyn ; dos Santos, Lais Fujii ; da Silva Filho, Jose M. C. ; Espinel, Y. A., V ; Marques, Francisco C. ; Alegre, Thiago P. M. ; Wiederhecker, Gustavo S. ; IEEE
Total Authors: 8
Document type: Journal article
Source: 2020 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO); v. N/A, p. 2-pg., 2020-01-01.
Abstract

We experimentally demonstrate that the group-velocity dispersion of silica microspheres can be engineered by coating it with nanometer-thick layers of alumina (Al2O3). The ultra-high optical quality factor (> 10(7)) achieved allows for the generation of optical frequency combs. (C) 2020 The Author(s) (AU)

FAPESP's process: 12/17610-3 - Optomechanics in photonic and phononic crystals
Grantee:Thiago Pedro Mayer Alegre
Support Opportunities: Research Grants - Young Investigators Grants
FAPESP's process: 18/21311-8 - On-chip degenerate parametric amplification for photonic information processing
Grantee:Laís Fujii dos Santos
Support Opportunities: Scholarships in Brazil - Doctorate
FAPESP's process: 12/17765-7 - Nanophotonics in Group IV and III-V semiconductors
Grantee:Gustavo Silva Wiederhecker
Support Opportunities: Research Grants - Young Investigators Grants
FAPESP's process: 18/15580-6 - Optomechanical cavities towards single photon strong coupling
Grantee:Thiago Pedro Mayer Alegre
Support Opportunities: Research Grants - Young Investigators Grants - Phase 2
FAPESP's process: 18/15577-5 - Nonlinear nanophotonics circuits: building blocks for optical frequency synthesis, filtering and signal processing
Grantee:Gustavo Silva Wiederhecker
Support Opportunities: Research Grants - Young Investigators Grants - Phase 2
FAPESP's process: 18/25339-4 - Integrated photonics devices
Grantee:Newton Cesario Frateschi
Support Opportunities: Research Projects - Thematic Grants