Abstract
We have experimentally demonstrated a dual-wavelength synchronously mode-locked Nd:CNGG laser based on the semiconductor saturable absorber mirror technique. Mode locking was achieved simultaneously on two gain bands of the crystal that have a central wavelength separation of . The fundamental mode-locked pulse train has a repetition rate of and pulse duration of , with an average output power of . Autocorrelation measurements show that each of the synchronously mode-locked pulses consists of a train of quasi-periodic beat pulses with a pulse width and a repetition rate.
© 2008 Optical Society of America
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