Decision gate for all-optical data retiming using a semiconductor laser amplifier in a loop mirror configuration

7 January 1993

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

Vol. 29 (1) , 107-109
https://doi.org/10.1049/el:19930070

Abstract

The authors report a new kind of decision gate based on a semiconductor laser amplifier (SLA) in a loop mirror (SLALOM) configuration. This decision gate was operated at 1 Gbit/s. It exhibits a contrast ratio of better than 20 dB, has no polarisation dependence for the data signals, and simultaneously enables all-optical wavelength conversion over a wavelength range of approximately 60 nm. As compared with the nonlinear Sagnac interferometer switch, it requires optical power for switching which is about three orders of magnitude lower. It is very compact and offers the advantage of possible integration on a chip

Keywords

POLARISATION INDEPENDENT GATE
DECISION GATE
ALL-OPTICAL DATA RETIMING
HIT ERROR RATE
BER
LOOP MIRROR CONFIGURATION
CLOCK-RECOVERY
1 GBIT/S
PHOTONIC SWITCHING SYSTEMS
WAVELENGTH CONVERSION
SEMICONDUCTOR LASER AMPLIFIER
DATA SIGNALS

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