Abstract
We propose a feedback technique for obtaining stable mode-locked operation in lasers that would normally exhibit switching. Using the Haus model with population dynamics, we examine numerically the case in which the intensity is monitored by a slow detector and fed back to the pump power after electronic derivation. This approach allows elimination of switching in all situations considered, in particular, in lasers with a long upper-state lifetime.
© 2001 Optical Society of America
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