Laser Raman à fibra operando na banda O em regime de acoplamento passivo de modos utilizando nanotubos de carbono como absorvedores saturáveis
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Arquivos
Tipo
Tese
Data de publicação
2015-08-27
Periódico
Citações (Scopus)
Autores
Steinberg, David
Orientador
Souza, Eunézio Antônio de
Título da Revista
ISSN da Revista
Título de Volume
Membros da banca
Saito, Lúcia Akemi Miyazato
Oliveira, Rafael Euzebio Pereira de
Yazdani, Farshad
Segatto, Marcelo Eduardo Vieira
Oliveira, Rafael Euzebio Pereira de
Yazdani, Farshad
Segatto, Marcelo Eduardo Vieira
Programa
Engenharia Elétrica
Resumo
In this thesis, for the first time we present results of passively-mode-locking O-band Raman fiber laser operating at 1310 nm by using carbon nanotubes as saturable absorber. The first results were obtained for an experimental setup based on single mode fiber (SMF) with laser operating near zero fiber dispersion at 1310 nm at anomalous regime. In this same configuration, a study of pulse duration shortening in terms of intracavity dispersion management with dispersion shifted fiber lengths (DSF) was performed. Replacing the SMF by a highly doped germanium fiber as gain medium of Raman fiber laser, operation was shifted to normal dispersion regime and passive mode-locking was also generated. In this laser, a study of pulse duration shortening in terms of gain medium length reduction was performed and the picosecond pulse regime of the laser could be estimated. We also present a brief comparison between the two dispersion regimes of the Raman fiber laser and passive mode-locking results obtained with different diameters of carbon nanotubes as saturable absorbers.
Descrição
Palavras-chave
laser Raman à fibra , acoplamento passivo de modos , banda O , absorvedores saturáveis , nanotubos de carbono , Raman fiber laser , passive mode-locking , O-band , saturable absorbers , carbon nanotubes
Assuntos Scopus
Citação
STEINBERG, David. Laser Raman à fibra operando na banda O em regime de acoplamento passivo de modos utilizando nanotubos de carbono como absorvedores saturáveis. 2015. 113 f. Tese (Doutorado em Engenharia Elétrica) - Universidade Presbiteriana Mackenzie, São Paulo, 2015.