Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 31, Issue 21, Pages 1737-1740Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2019.2944208
Keywords
Fiber lasers; laser mode locking; fiber grating; ultrafast optics; bidirectional cavity
Funding
- National Natural Science Foundation of China [61775072, 61775067]
- Wuhan Morning Light Plan of Youth Science and Technology [2017050304010280]
- Science Fund for Creative Research Groups of the Nature Science Foundation of Hubei [2018CFA004]
- Major Projects of Technical Innovation of Hubei [2018AAA040]
- Fundamental Research Funds for the Central Universities [HUST2017KFXKJC002]
- China Postdoctoral Science Foundation [2018M630853]
- Science and Technology Program of Shenzhen, China [JCYJ20160531194407693]
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We report on the multi-state soliton generation in a chirped fiber Bragg grating (CFBG) based bidirectional mode-locked fiber laser. In particular, a theta-shape associate cavity is designed to introduce reverse dispersion distributions in counter-propagation directions through incorporating the bidirectional reflection of the CFBG into the lasing oscillator. With a relatively compact cavity configuration, the clockwise (CW) and counter-clockwise (CCW) directions are managed into large anomalous and normal dispersion regimes, respectively. Consequently, conventional solitons (CSs) and dissipative solitons (DSs) can be emitted from the counter-propagation directions. To the best of our knowledge, it is the first report of CS/DS generation in a CFBG based bidirectional fiber laser. This investigation can contribute to research community of multiplexed ultrafast fiber lasers.
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