1.5 Gbit/s FSK transmission system using two electrode DFB laser as a tunable FSK discriminator/photodetector

19 July 1990

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 26 (15) , 1146-1148
https://doi.org/10.1049/el:19900742

Abstract

An optical FSK receiver based on a multielectrode DFB laser is reported. The device, biassed just below threshold, acts as a tunable filter, FSK discriminator and photodetector. Using two-electrode DFB laser for the transmitter and the receiver a FSK transmission up to 1.5 Gbit/s with–20 dBm sensitivities for 10⁻⁹ BER over 40 km single mode optical fibre was observed.

Keywords

TUNABLE FSK DISCRIMINATOR
FSK DISCRIMINATOR
BIASSED JUST BELOW THRESHOLD
BER
1.5 GBIT/S
SENSITIVITIES
TUNABLE PHOTODETECTOR
OPTICAL FSK RECEIVER
TWO ELECTRODE DFB LASER
TUNABLE FILTER
FSK TRANSMISSION SYSTEM
SINGLE MODE OPTICAL FIBRE
40 KM
WDM

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