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Proceedings Paper

High power passive mode-locked L-band fiber laser based on microfiber topological insulator saturable absorber
Author(s): Georges Semaan; Yichang Meng; Mohamed Salhi; Alioune Niang; Khmaies Guesmi; Zhi-Chao Luo; Francois Sanchez
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Paper Abstract

In this communication, we demonstrate a passive mode-locked Er:Yb co-doped double-clad fiber laser using a tapered microfiber topological insulator (Bi2Se3) saturable absorber (TISA). The topological insulator is drop-casted onto the tapered fiber and optically deposited by optical tweezer effect. We use a ring laser setup including the fabricated TISA. By carefully optimizing the cavity losses and output coupling ratio, the mode-locked laser can operate in L-band with a high average output power. At a maximum pump power of 5 W, we obtain the 91st harmonic mode-locking of soliton bunches with a 3dB spectral bandwidth of 1.06nm, a repetition rate of 640.9 MHz and an average output power of 308mW. As far as we know, this is the highest output power yet reported of a mode-locked fiber laser operating with a TISA.

Paper Details

Date Published: 27 April 2016
PDF: 7 pages
Proc. SPIE 9893, Laser Sources and Applications III, 98930R (27 April 2016); doi: 10.1117/12.2224945
Show Author Affiliations
Georges Semaan, Univ. d'Angers (France)
Yichang Meng, Univ. d'Angers (France)
Mohamed Salhi, Univ. d'Angers (France)
Alioune Niang, Univ. d'Angers (France)
Khmaies Guesmi, Univ. d'Angers (France)
Zhi-Chao Luo, South China Normal Univ. (China)
Francois Sanchez, Univ. d'Angers (France)

Published in SPIE Proceedings Vol. 9893:
Laser Sources and Applications III
Jacob I. Mackenzie; Helena JelÍnková; Takunori Taira; Marwan Abdou Ahmed, Editor(s)

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