Carbon nanotube-doped polymer optical fiber
- Carbon nanotube-doped polymer optical fiber
- Sho Uchida; Amos Martinez; 송용원; Takaaki Ishigure; Shinji Yamashita
- carbon nanotube; optical fiber; polymer optical fiber; pulse laser; mode-locking
- Issue Date
- Optics letters
- VOL 34, NO 20, 3077-3079
- We present a method to fabricate graded-index multimode polymer optical fibers doped with carbon nanotubes
(CNTs). Such fiber structures provide the means to fully utilize the exceptional optical properties of
the CNTs. The core region of the fiber is composed of CNTs and polymethyl methacrylate (PMMA) with the
addition of diphenyl sulfide (DPS), which acts as the dispersion stabilizer of CNTs in PMMA as well as the
dopant to increase the refractive index of the core. Utilizing 2.5 cm of the fiber as a saturable absorber, passively
mode-locked lasing with duration of 3.0 ps and repetition rate of 30.3 MHz was demonstrated.
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