Carbon nanotube-incorporated sol-gel glass for high-speed modulation of intracavity absorption of fiber lasers

Title
Carbon nanotube-incorporated sol-gel glass for high-speed modulation of intracavity absorption of fiber lasers
Authors
송용원Kok Hann FongSze Y. SetKazuro KikuchiShinji Yamashita
Keywords
Carbon nanotube; sol-gel; fiber laser; pulsed laser; mode-locking
Issue Date
2010-10
Publisher
Optics communications
Citation
VOL 283, NO 19, 3740-3742
Abstract
We prepared carbon nanotube (CNT)-incorporated sol–gel glass at a low temperature guaranteeing homogeneous CNT dispersion and intact nonlinearity of the CNTs for ultrafast optic devices. Significant defects and CNT agglomeration were avoided by optimizing the process steps, including stabilized CNT dispersion in dimethylformamide and the gelation of silica sol. After verifying undamaged nanomorphologies and optical properties of the enclosed CNTs via nonlinear absorption checks, we successfully demonstrated all-fiber, mode-locked laser modulating the intracavity absorption with the CNT-incorporated glass transferred onto a laser component. Resultant spectral width and repetition rate of the laser pulse output were 1.1 nm and 2.96 MHz, respectively.
URI
http://pubs.kist.re.kr/handle/201004/37695
ISSN
0030-4018
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KIST Publication > Article
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