Ultrafast saturable absorption devices incorporating efficiently electrosprayed carbon nanotubes

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We demonstrate saturable absorption operation of single-walled carbon nanotubes (CNTs) deposited by an efficient electrospray process that provides target-localized deposition with a homogeneous dispersion of the nanomaterials. An improvement in deposition efficiency of 95% is achieved. CNT dispersion/deposition conditions are optimized for suppressed CNT agglomeration, thereby maximizing the nonlinear absorption of CNTs. An ultrafast saturable absorber is formed with side-polished fiber as a substrate for evanescent field interaction of propagated light with CNTs. A resultant fiber mode-locked laser is realized. The laser has output with an estimated pulse duration and repetition rate of 190.9 fs and 3.95 MHz, respectively.
Publisher
AMER INST PHYSICS
Issue Date
2010-02
Language
English
Article Type
Article
Keywords

FIBER LASER; PHOTONICS; ABSORBER

Citation

APPLIED PHYSICS LETTERS, v.96, no.5

ISSN
0003-6951
DOI
10.1063/1.3295699
URI
http://hdl.handle.net/10203/100815
Appears in Collection
MS-Journal Papers(저널논문)
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