TITLE

Nanosecond-pulse fiber lasers mode-locked with nanotubes

AUTHOR(S)
Kelleher, E. J. R.; Travers, J. C.; Sun, Z.; Rozhin, A. G.; Ferrari, A. C.; Popov, S. V.; Taylor, J. R.
PUB. DATE
September 2009
SOURCE
Applied Physics Letters;9/14/2009, Vol. 95 Issue 11, p111108
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
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.
ACCESSION #
44292292

 

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