High energy low-repetition-rate graphene mode-locked Er-doped fiber lasers

Jia Xu; Jiang Liu; Sida Wu; Quan-Hong Yang; Pu Wang

doi:10.1117/12.902217

22 August 2011 High energy low-repetition-rate graphene mode-locked Er-doped fiber lasers

Jia Xu, Jiang Liu, Sida Wu, Quan-Hong Yang, Pu Wang

Proceedings Volume 8192, International Symposium on Photoelectronic Detection and Imaging 2011: Laser Sensing and Imaging; and Biological and Medical Applications of Photonics Sensing and Imaging; 81924B (2011) https://doi.org/10.1117/12.902217
Event: International Symposium on Photoelectronic Detection and Imaging 2011, 2011, Beijing, China

Abstract

We report high energy low-repetition-rate graphene mode-locked Er-doped fiber laser with a long ring cavity. The stable 227 kHz nanosecond pulse is generated at diode core-pumped power of 44 mW. Increasing the pump power to 110 mW, we achieved the maximum output power of 15 mW, corresponding to single pulse energy of 66 nJ. The pulse width was measured to be 16 ns. The spectral central wavelength was 1559.6 nm and 3dB bandwidth of the emission spectrum was 0.76 nm. The time-bandwidth product (TBP) of the pulse was ~1499, indicating that pulses were highly chirped. To the best of our knowledge, this is the first report for graphene mode-locked Er-doped fiber laser in such low repetition rate and high pulse energy.

Citation Download Citation

Jia Xu, Jiang Liu, Sida Wu, Quan-Hong Yang, and Pu Wang "High energy low-repetition-rate graphene mode-locked Er-doped fiber lasers", Proc. SPIE 8192, International Symposium on Photoelectronic Detection and Imaging 2011: Laser Sensing and Imaging; and Biological and Medical Applications of Photonics Sensing and Imaging, 81924B (22 August 2011); https://doi.org/10.1117/12.902217

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KEYWORDS

Fiber lasers

Mode locking

Graphene

Dispersion

Pulsed laser operation

Mirrors

Baryon acoustic oscillations

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