期刊
IEEE PHOTONICS TECHNOLOGY LETTERS
卷 28, 期 1, 页码 7-10出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2015.2478836
关键词
Mode-locked laser; erbium-doped ZBLAN fiber laser; mid-infrared laser
资金
- Engineering Research Center for Integrated Access Networks through National Science Foundation [EEC-0812072]
- Technology Research Initiative Fund Photonics Initiative through University of Arizona
- National Natural Science Foundation of China [21173041, 61378025]
Mid-infrared erbium (Er3+)-doped ZrF4-BaF2-LaF3-AIF(3)-NaF fiber laser mode-locked by multilayer graphene saturable absorber was demonstrated. Mode-locked pulses at 2.8 mu m with an average output power of 18 mW at a repetition rate of 25.4 MHz, corresponding to a pulse energy of 0.7 nJ, were obtained. The pulsewidth was measured to be similar to 42 ps by a home-made autocorrelator. Our experiment has validated the mode-locking capability of graphene in the 3-mu m wavelength region.
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