Maximum loss budget criteria for subcarrier multiplex broadcast passive optical networks

3 August 1989

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

Vol. 25 (16) , 1023-1025
https://doi.org/10.1049/el:19890684

Abstract

Analytic criteria for the laser optical modulation index and avalanche photodiode gain which maximise the loss budget of subcarrier multiplexed, broadcast, passive optical networks are described for the first time. A theoretical loss budget approaching 40dB is predicted for 16.5dB carrier-to-noise ratio in 36 MHz bandwidth for each of 120 channels under optimum conditions with < 1 pA/√(Hz) thermal noise III-V avalanche photodiode receivers, 0dBm laser launch power and <0.1% laser nonlinearity.

Keywords

40 DB
MAXIMUM LOSS BUDGET
36 MHZ
CNR
APD
LASER OPTICAL MODULATION INDEX
THERMAL NOISE
SUBCARRIER MULTIPLEX BROADCAST
AVALANCHE PHOTODIODE GAIN
16.5 DB
PASSIVE OPTICAL NETWORKS
CARRIER/NOISE NOISE

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