Efficient graphene saturable absorbers on D-shaped optical fiber for ultrashort pulse generation
Tipo
Artigo
Data de publicação
2016
Periódico
Scientific Reports
Citações (Scopus)
129
Autores
Zapata J.D.
Steinberg D.
Saito L.A.M.
De Oliveira R.E.P.
Cardenas A.M.
De Souza E.A.T.
Steinberg D.
Saito L.A.M.
De Oliveira R.E.P.
Cardenas A.M.
De Souza E.A.T.
Orientador
Título da Revista
ISSN da Revista
Título de Volume
Membros da banca
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Resumo
© 2016, Nature Publishing Group. All rights reserved.We demonstrated a method to construct high efficiency saturable absorbers based on the evanescent light field interaction of CVD monolayer graphene deposited on side-polished D-shaped optical fiber. A set of samples was fabricated with two different core-graphene distances (0 and 1 μm), covered with graphene ranging between 10 and 25 mm length. The mode-locking was achieved and the best pulse duration was 256 fs, the shortest pulse reported in the literature with CVD monolayer graphene in EDFL. As result, we find a criterion between the polarization relative extinction ratio in the samples and the pulse duration, which relates the better mode-locking performance with the higher polarization extinction ratio of the samples. This criterion also provides a better understanding of the graphene distributed saturable absorbers and their reproducible performance as optoelectronic devices for optical applications.