Journal
OPTICS LETTERS
Volume 34, Issue 1, Pages 103-105Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.34.000103
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Funding
- National Research Foundation Singapore [NRF-G-CRP 2007-01]
- National Natural Science Foundation of China (NSFC) [50672050, 50721002]
- Grant for State Key Program of China [2004CB619002]
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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 900 fs mode-locked pulses with a repetition rate of similar to 88 MHz at 1061 nm wavelength. With a single-emitter laser diode pumping, a maximum average output power of 486 mW 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. (c) 2008 Optical Society of America OCIS codes: 140.4050, 140.3380, 140.3480.
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