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17 December 1992 Multigigabit/s optical transmission based on FM-IM conversion
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Direct frequency modulation of a DFB laser followed by FM to IM conversion in an interferometer is a promising technique to produce low chirp transmitters to be used in high speed direct detection systems. In this paper, the performance of FSK-IM systems operating at 10 Gb/s is analyzed, and the sensitivity and the linewidth requirements are estimated. A comparison between FSK-IM systems and FSK heterodyne systems is also performed, showing that for 1 dB sensitivity penalty, the linewidth requirements for heterodyne systems are higher.
© (1992) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Joao Jose De Oliveira Pires and Jose Ferreira da Rocha "Multigigabit/s optical transmission based on FM-IM conversion", Proc. SPIE 1787, Multigigabit Fiber Communications, (17 December 1992);

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