Abstract
We report operation of an integrated diode laser device, which utilizes light injected from a pump curved waveguide branch terminated by a reflecting facet to provide feedback. This waveguide geometry eliminates relaxation oscillations while simultaneously decreasing the response time of the laser to pulsed current modulation. Randomly timed pulses as short as 250 psec duration are observed and this value results from limitations of the electronics and not the laser. An analysis indicates the roles of the various parameters.
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