Abstract

We report the fabrication of a saturable absorber based on SU8 single wall carbon nanotube (SWCNT) composite material. Thin films with a controllable thickness can be fabricated using a simple and reliable process. These films can be inserted between two FC/APC connectors in order to have an inline saturable absorber. A passive mode-locked laser was built by interleaving the fiberized saturable absorber in an erbium-doped fiber (L-band) ring cavity laser. The laser produces $871\mathrm{fs}$ pulses with a repetition rate of $21.27\mathrm{MHz}$ and a maximum average power of $1\mathrm{mW}$.

© 2011 Optical Society of America

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