We analyze the performance of regenerative feedback mode locking using intracavity amplitude modulation (AM). Regenerative feedback is predicted to improve the stability of AM mode locking especially at low and moderate repetition rates and short pulse durations. We report on AM regenerative- feedback mode locking of a continuous wave Nd:glass laser. The generated train of 8 ps pulses has an excellent long-term stability and is completely free of relaxation oscillation instabilities inherent in conventional AM mode locking.
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Project (external):
National Science Foundation, Hungary, and the Fonds zur Förderung der wissenschaftlichen Forschung in Österreich,