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Optical FSK modulation using injection-locked laser diodes

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3 Author(s)
Spano, P. ; Fondazione Ugo Bordoni, Rome, Italy ; Tamburrini, M. ; Piazzolla, S.

A FSK (frequency shift keying) modulator based on the alpha -parameter induced frequency shift in injection-locked laser diodes is studied. The attainable frequency deviations can easily be set up to several gigahertz by acting on the injected power. A major limitation is found in the switching time which, in some anomalous cases, can become as large as 10 ns.<>

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Lightwave Technology, Journal of  (Volume:7 ,  Issue: 4 )