Journal
OPTICS EXPRESS
Volume 17, Issue 6, Pages 4284-4288Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.17.004284
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Funding
- National Natural Science Foundation of China [10874118]
- Program of Shanghai Jiao Tong University
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We demonstrate the direct generation of 55 fs pulses from an all-fiber Erbium-doped ring laser oscillator using the nonlinear polarization rotation mode-locking. The average output power is 56.4 mW but limited by available pump power of 330 mW. The linear chirped pulse duration is 55 fs after recompression using standard single-mode fiber. The pulses show to resist optical wave breaking with a smooth spectrum without any side lobe and cw-breakthrough. This all-fiber laser exhibits relatively high transfer efficiency of 17% and the single pulse energy reaches 1.5 nJ. (C) 2009 Optical Society of America
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