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Two‐dimensional graphdiyne for passively Q‐switched Yb3+:Sc2SiO5 laser

In this article, we demonstrate a laser diode pumped passively Q‐switched Yb3+:Sc2SiO5 (Yb:SSO) laser for the first time, applying a graphdiyne (GDY) saturable absorber which was prepared by the liquid phase exfoliation method. Utilizing the saturable absorption characteristic of the two‐dimensional GDY material, the pulsed Yb:SSO laser performances were investigated. The single pulse energy of 9.0 μJ and the peak power of 2.2 W were realized at an absorbed pump power of 3.151 W.