Wavelength-stepped, actively mode-locked fiber laser based on wavelength-division-multiplexed optical delay lines

We propose a new scheme for an actively mode-locked wavelength-swept fiber laser that produces a train of discretely wavelength-stepped pulses from a short fiber cavity. Pulses with different wavelengths are split and combined by standard wavelength division multiplexers with fiber delay lines. As a proof of concept, we demonstrate a laser using an erbium doped fiber amplifier and commercially available wavelength-division multiplexers with wavelength spacing of 0.8 nm. The results show simultaneous mode-locking at three different wavelengths. Laser output parameters in time domain, optical and radio frequency spectral domain, and the noise characteristics are presented. Suggestions for the improved design are discussed. (C) 2017 Elsevier B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2017-12
Language
English
Keywords

NOISE CHARACTERIZATION; COHERENCE TOMOGRAPHY; DUAL-WAVELENGTH; LOCKING; SWEPT

Citation

OPTICS COMMUNICATIONS, v.405, pp.185 - 191

ISSN
0030-4018
DOI
10.1016/j.optcom.2017.08.030
URI
http://hdl.handle.net/10203/227038
Appears in Collection
PH-Journal Papers(저널논문)
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