Noise-like rectangular pulses in a mode-locked double-clad Er:Yb laser with a record pulse energy<xref rid="cpb_29_1_014202fn1" ref-type="fn">*</xref><fn id="cpb_29_1_014202fn1"><label>*</label><p>Project supported by the National Natural Science Foundation of China (Grant Nos. 61435009, 61235008, and 61405254).</p></fn>

Noise-like rectangular pulses in a mode-locked double-clad Er:Yb laser with a record pulse energy**

Project supported by the National Natural Science Foundation of China (Grant Nos. 61435009, 61235008, and 61405254).

Wu Tianyi¹, Dou Zhiyuan¹, Zhang Bin^{1, 2, 3}, Hou Jing^{1, 2, 3, ‡}

Calculated output R of the FLM 1 as a function of the input peak power P (in the range of 10–20 W) with γ = 1.3 W⁻¹ · km⁻¹, L = 153 m, k = 0.05, 0.1, 0.2, 0.3, 0.4.