<title>Stabilization of ultrafast mode-locked diode lasers and its application for narrow-linewidth millimeter wave sources</title>

Abstract

Recent progress in the stabilization and ultrahigh-repetition-rate operation of mode-locked semiconductor diode lasers is described. Special attention is given to a new method for stabilizing the modelocked LD at frequencies over several tens of gigahertz by optical pulse injection, and to methods for generating subterahertz and terahertz rate optical pulses and optical beats.