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Opt Express. 2011 Feb 28;19(5):3984-9. doi: 10.1364/OE.19.003984.

Dual-wavelength passively mode-locked Nd:LuYSiO5 laser with SESAM.

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School of Information Science and Engineering, Shandong University, Jinan, China.


A diode-end-pumped dual-wavelength mode-locked laser based on Nd:LuYSiO5 crystal is demonstrated. With a SESAM, simultaneous mode locking at the 1075.8 nm and 1078.1 nm is achieved and the dual-wavelength mode locked pulses have a pulse width of 8.9 ps. Due to frequency beating, ultrahigh repetition rate ultrafast pulses with 997 fs pulse width and 0.59 THz repetition rate are further formed. Under 12.7 W absorbed pump power 1.7 W mode-locked output power was obtained, the slope efficiency of the mode locked laser was 24.3%.

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