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Proceedings Paper

Hybrid mode-locked fiber ring laser using graphene and charcoal nanoparticles as saturable absorbers
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Paper Abstract

A fiber ring laser which implements hybrid mode locking technique has been proposed and experimentally demonstrated to generate pulse train at 20 GHz repetition rate with ultrashort pulse width. Graphene and charcoal nano-particles acting as passive mode lockers are inserted into a rational harmonic mode-locked fiber laser to improve the performance. With graphene saturable absorbers, the pulse duration is shortened from 5.3 ps to 2.8 ps, and with charcoal nano-particles, it is shortened to 3.2 ps. The RF spectra show that supermode noise can be removed in the presence of the saturable absorbers. Numerical simulation of the pulse transmission has also been carried out, which shows good agreement with the experimental results.

Paper Details

Date Published: 25 May 2016
PDF: 8 pages
Proc. SPIE 9836, Micro- and Nanotechnology Sensors, Systems, and Applications VIII, 983630 (25 May 2016); doi: 10.1117/12.2224962
Show Author Affiliations
Hongyu Hu, Univ. of Connecticut (United States)
Xiang Zhang, Univ. of Connecticut (United States)
Wenbo Li, Univ. of Connecticut (United States)
Niloy K. Dutta, Univ. of Connecticut (United States)

Published in SPIE Proceedings Vol. 9836:
Micro- and Nanotechnology Sensors, Systems, and Applications VIII
Thomas George; Achyut K. Dutta; M. Saif Islam, Editor(s)

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