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All-fiber dissipative soliton laser with 10.2 nJ pulse energy using an evanescent field interaction with graphene saturable absorber

Cited 49 time in Web of Science Cited 62 time in Scopus
Authors
Choi, Sun Young; Jeong, Hwanseong; Hong, Byung Hee; Rotermund, Fabian; Yeom, Dong-Il
Issue Date
2014-01
Citation
Laser Physics Letters, Vol.11 No.1, p. 015101
Abstract
We demonstrate a high-power dissipative soliton fiber laser by employing an evanescent field-coupled graphene saturable absorber (SA). In the SA, a polymer supporter enhances the nonlinear interaction between the guided mode and the high-quality graphene layers, which enables high-power operation of the mode-locked laser in the normal dispersion regime of the laser cavity. A self-started dissipative soliton fiber laser stably generates pulses with a spectral bandwidth of 10.4 nm at 1565 nm. The linearly chirped pulse of the laser output has a pulse duration of 13.8 ps at a repetition rate of 16.99 MHz. The maximum output power achieved is 174 mW using a single-mode pump laser diode with an applied power of 785 mW. The pulse energy is estimated to be 10.2 nJ; we believe this is the highest pulse energy ever reported for an Er-doped dissipative soliton fiber laser oscillator using a graphene SA.
ISSN
1612-2011
URI
https://hdl.handle.net/10371/172211
DOI
https://doi.org/10.1088/1612-2011/11/1/015101
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College of Natural Sciences (자연과학대학)Dept. of Chemistry (화학부)Journal Papers (저널논문_화학부)
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