Abstract
The 40-year history of research on semiconductor lasers for high-speed long-distance optical fiber
communications, so-called dynamic single-mode (DSM) lasers, is reviewed. DSM lasers include phase-shift distributed
feedback (DFB) lasers, uniform DFB lasers, wavelength tunable (WT) distributed Bragg reflector lasers, WT distributed
reflector lasers, and external reflector lasers. The vertical cavity surface emitting laser is also a type of DSM
laser that is applied for rather short-distance communication. Photonic-integrated circuits with monolithic
integration of DSM lasers with other devices, as well as photonic crystal lasers, have advanced significantly to
support stable operation of photonic subsystems. The DSM laser is currently essential for most long-haul optical
communications and transoceanic submarine cables, as well as medium-distance local area networks. Its application to
sensing systems is another interesting area.
© 2013 IEEE
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