Published February 15, 1985
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Direct modulation and active mode locking of ultrahigh speed GaAlAs lasers at frequencies up to 18 GHz
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Abstract
It is demonstrated that an ultrahigh speed window buried heterostructure GaAlAs laser fabricated on a semi-insulating substrate can be used as a narrowband signal transmitter in the Ku band frequency range (12–20 GHz). The modulation efficiency can be increased over a limited bandwidth by a weak optical feedback. A stronger optical feedback enables one to actively mode lock the laser diode at a very high repetition rate up to 17.5 GHz, producing pulses ~12 ps long.
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© 1985 American Institute of Physics. Received 24 September 1984; accepted 12 November 1984. This research was supported by the Defense Advance Research Project Agency, the National Science Foundation under the Optical Communication Program, and by the Army Research Office.Files
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2008-03-24Created from EPrint's datestamp field
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