Abstract
Broadly wavelength tunable semiconductor lasers are key components in wavelength division multiplexing (WDM) networks and switching systems. Recently, we developed wavelength tunable distributed Bragg reflector (DBR) lasers with super structure grating (SSG).1 These lasers have a broad wavelength tuning range of more than 100 nm.2 Although those reports described only discrete wavelength tuning, the device is capable of quasi-continuous wavelength tuning. In this work, we demonstrate quasicontinuous wavelength tuning in those SSG DBR lasers.
© 1994 Optical Society of America
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