Abstract

We report on a diode-pumped passively mode-locked subpicosecond Nd:CLNGG disordered crystal laser for the first time to our knowledge. Owing to the large inhomogeneous broadening and spectrum splitting of the disordered crystal, the Nd:CLNGG laser generated 900fs mode-locked pulses with a repetition rate of 88MHz at 1061nm wavelength. With a single-emitter laser diode pumping, a maximum average output power of 486mW was achieved with a slope efficiency of 26%. Our experimental results show that the four-level Nd:CLNGG disordered crystal could be an excellent alternative for subpicosecond pulse generation.

© 2008 Optical Society of America

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