Journal
OPTICS EXPRESS
Volume 21, Issue 2, Pages 2402-2407Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.21.002402
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Funding
- National Natural Science Foundation of China [11074078]
- Specialized Research Fund for the Doctoral Program of Higher Education, China [20094407110002]
- Key Program for Scientific and Technological Innovations of Higher Education Institutes in Guangdong Province [cxzd1011]
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The generation of mode-locked rectangular pulses operating in dissipative soliton resonance (DSR) region is demonstrated in an erbium-doped figure-eight fiber laser with net anomalous dispersion. The duration of the wave-breaking-free rectangular pulse broadens with the increase of pump power. At a maximum pump power of 341mW, the pulse energy can be up to 3.25 nJ with a repetition rate of 3.54 MHz. Particularly, the spectrum of rectangular pulse operating in DSR exhibits conventional soliton sidebands. The observed results show that the formation of pulse operating in DSR region is independent of mode-locking techniques, which may be helpful for further understanding the DSR phenomenon. (C) 2013 Optical Society of America
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