Abstract

We experimentally investigate the performance of a commercial tapered amplifier diode operating in a pulsed-current mode with a peak current that is significantly higher than the specified maximum continuous current. For a tapered amplifier rated at 500mW of continuous power, we demonstrate 2.6W of peak optical output power with 15mW of injection light for 200μs, 7A current pulses. Different failure mechanisms for the tapered amplifier, including thermal and optical damage, are identified under these conditions.

© 2007 Optical Society of America

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