Electrical wavelength tunable and multiwavelength actively mode-locked fiber ring laser
- 20 April 1998
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 72 (16) , 1954-1956
- https://doi.org/10.1063/1.121263
Abstract
Electrical single- and dual-wavelength tuning and three-wavelength operation of an actively mode-locked fiber ring laser generating picosecond pulses were demonstrated by using a cavity with large dispersion. A continuous tuning range up to ∼37 nm of single-wavelength picosecond pulses at ∼1 GHz was achieved by only changing the modulation frequency. Continuous wavelength tuning of dual-wavelength (18.5 nm spacing) 3 GHz picosecond pulses was also demonstrated with a tuning range up to ∼17 nm. The tuning ranges were mainly limited by the gain bandwidth of the Er-doped fiber. Simultaneous generation of three-wavelength picosecond pulses at ∼2 GHz was also demonstrated by further increasing the cavity dispersion.Keywords
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