Low noise GHz passive harmonic mode-locking of soliton fiber laser using evanescent wave interaction with carbon nanotubes

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Passive harmonic mode-locking in soliton fiber laser is presented with excellent noise characteristics by employing a single-walled carbon nanotubes saturable absorber designed to interact with evanescent wave of the laser field. The 34th harmonic mode-locking pulses at 943.16 MHz repetition rate were stably generated with 18 mW output power, > 50 dB side-mode suppression and. -140 dB/Hz relative intensity noise. Soliton energy control with polarization controller further increased the harmonic order to 61st, 1.692 GHz, but with compromised performance. Scaling to higher-order harmonic mode-locking is discussed for practical application in optical communication system. (C) 2011 Optical Society of America
Publisher
OPTICAL SOC AMER
Issue Date
2011-09
Language
English
Article Type
Article
Keywords

SATURABLE ABSORBER; FIELD INTERACTION; POWER

Citation

OPTICS EXPRESS, v.19, no.20, pp.19775 - 19780

ISSN
1094-4087
URI
http://hdl.handle.net/10203/100279
Appears in Collection
PH-Journal Papers(저널논문)
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