A 113 fs fiber laser operating at 156 μm using a cascadable film-type saturable absorber with P3HT-incorporated single-wall carbon nanotubes coated on polyamide | Zendy

Fumio Shohda | Zendy; Masataka Nakazawa | Zendy; Junji Mata | Zendy; Jun Tsukamoto | Zendy

Open Access

A 113 fs fiber laser operating at 156 μm using a cascadable film-type saturable absorber with P3HT-incorporated single-wall carbon nanotubes coated on polyamide

Author(s) -

Fumio Shohda,

Masataka Nakazawa,

Junji Mata,

Jun Tsukamoto

Publication year - 2010

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.18.009712

Subject(s) - saturable absorption , materials science , carbon nanotube , polyamide , laser , fiber laser , absorption (acoustics) , optics , optoelectronics , fiber , composite material , physics

We successfully fabricated a cascadable film-type single-wall carbon nanotube (SWNT) saturable absorber coated on aromatic polyamide film, in which the saturable absorption effect can be controlled with the number of films. A conductive polymer P3HT (poly-3-hexylthiophene) was adopted to obtain a uniform SWNT solution. We applied saturable absorber films to a passively mode-locked fiber laser and successfully generated a 113 fs, 42 MHz pulse by inserting two film layers between fiber connectors in the cavity.

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