Abstract

We demonstrate a synchronously self-Q-switched and self-mode-locked output pulse fiber laser based on a linear compound resonator and an LD cladding-pumped Yb-doped double-clad fiber. A maximum average output power of 332.1 mW is achieved. We observe that the maximum pulse envelope width is 8 μs, and the pulse energy is 3.83 μJ for the self-Q-switched pulse envelope. At the same time, the achieved maximum pulse width is 37.8 ns and pulse energy is 17.61 nJ for the self-mode-locked pulse. We observe the pulse splitting of the self-Q-switched envelope as well and achieve 14 subpulse packets for L1 = 180 mm. There are 75 self-mode-locked pulses in single packets.

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