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Performance of direct frequency modulation DFB lasers in multigigabit per second ASK, FSK, and DPSK lightwave systems

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Abstract

There is considerable interest in lightwave systems operating in the 10-20 Gbit/s range to meet future demand for higher transmission capacity. Direct modulation of the transmitter laser is attractive to avoid the insertion loss and additional systems complexity of external modulation.

© 1990 Optical Society of America

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