| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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High-Energy Rectangular Pulse Dissipative Soliton Generation in a Long-Cavity Sigma-Shaped Configuration Mode-Locked Fiber Laser |
| YANG Jin-Hui1, GUO Chun-Yu1**, RUAN Shuang-Chen1**, OUYANG De-Qin1,2, LIN Huai-Qin1,2, WU Yi-Ming1,2 |
1Shenzhen Key Laboratory of Laser Engineering, Key Laboratory of Advanced Optical Precision Manufacturing Technology of Guangdong Higher Education Institutes, College of Electronic Science and Technology, Shenzhen University, Shenzhen 518060
2College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060
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| Cite this article: |
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YANG Jin-Hui, GUO Chun-Yu, RUAN Shuang-Chen et al 2014 Chin. Phys. Lett. 31 024208 |
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Abstract The high-energy rectangular pulse dissipative soliton (DS) is achieved in a long-cavity sigma-shaped configuration erbium-doped fiber laser. A long fiber is inserted in the linear arm of the sigma-shaped configuration to extend the resonator length twice, which effectively improves the pulse energy. The nonlinear polarization rotation technique is employed to realize the mode-locked state. Stable rectangular pulses with pulse energy of 421.22 nJ are obtained at the pump power of 620 mW. To the best of our knowledge, this high pulse energy is a new record of the rectangular pulse mode-locked DS fiber lasers.
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Received: 16 September 2013
Published: 28 February 2014
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| PACS: |
42.55.Wd
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(Fiber lasers)
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42.60.Fc
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(Modulation, tuning, and mode locking)
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42.81.Dp
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(Propagation, scattering, and losses; solitons)
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42.60.Da
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(Resonators, cavities, amplifiers, arrays, and rings)
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