Nanosecond-pulse fiber lasers mode-locked with nanotubes
- 14 September 2009
- journal article
- conference paper
- Published by AIP Publishing in Applied Physics Letters
- Vol. 95 (11) , 111108
Abstract
We demonstrate that mode-locking of ytterbium fiber lasers with a carbon nanotube saturable absorber can produce pulses ranging from 20 ps to 2 ns at repetition rates between 21 MHz and 177 kHz, respectively, depending on cavity length. Nonlinear polarization evolution is not responsible for mode-locking. Even in the nanosecond regime, clean single pulses are observed and the pulse train exhibits low jitter. Combined with extremely large chirp, these properties are suited for chirped-pulse amplification systems.Keywords
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