Transmission of a true single polarisation 40 Gbit/s soliton data signal over 205 km using a stabilised erbium fibre ring laser and 40 GHz electronic timing recovery

27 May 1993

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

Vol. 29 (11) , 990-992
https://doi.org/10.1049/el:19930659

Abstract

Four independently modulated 10 Gbit/s channels were transmitted over 205 km with a penalty of less than 1.5 dB. The pulse source comprised a stabilised 10 GHz erbium fibre ring laser, multiplexed to 40 Gbit/s in a single polarisation by four independent lithium niobate modulators. Following transmission the requirement to kick start the demodulator is avoided using a 40 GHz electronic clock recovery circuit with a 10 GHz output. The experiment is performed entirely with commercial components and semiconductor laser diodes.

Keywords

SINGLE POLARISATION
40 GHZ
OPTICAL TIME DOMAIN MULTIPLEXING
ELECTRONIC TIMING RECOVERY
205 KM
INDEPENDENTLY MODULATED CHANNELS
ER FIBRE RING LASER
SEMICONDUCTOR LASER DIODES
DEMULTIPLEXER ARRAY
SOLITON DATA SIGNAL TRANSMISSION
LINBO3 MODULATORS
40 GBIT/S

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