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. 2014 Apr 25;4:4794. doi: 10.1038/srep04794

Figure 6. Performance of few-layer Bi2Se3 to passively Q-switch erbium-doped fiber laser.

Figure 6

(a) The typical oscilloscope trace of Q-switched pulses at the pump power of 87.2 mW. (b) The single pulse envelope. (c) The typical optical spectrum of Q-switching operation. (d) The RF output spectrum. (e) The pulse repetition rate and the pulse energy vs the pump power. (f) The pulse duration as a function of the pump power.