WDM crosstalk analysis for systems employing spectrally-sliced LED sources

Linear crosstalk due to interchannel spectral overlapping in wavelength division multiplexed (WDM) systems employing spectrally-sliced LED sources is examined with the aid of a new analytical approach. Mathematical expressions are obtained that predict that, in general, the crosstalk in such WDM sys...

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Bibliographic Details
Published in:IEEE photonics technology letters 1996-03, Vol.8 (3), p.440-442
Main Authors: Murtaza, G., Senior, J.M.
Format: Article
Language:English
Subjects:
Band pass filters
Bandwidth
Light emitting diodes
Optical crosstalk
Optical filters
Optical noise
Optical sensors
Stimulated emission
System performance
Wavelength division multiplexing
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Summary:Linear crosstalk due to interchannel spectral overlapping in wavelength division multiplexed (WDM) systems employing spectrally-sliced LED sources is examined with the aid of a new analytical approach. Mathematical expressions are obtained that predict that, in general, the crosstalk in such WDM systems will be approximately six times the square of the channel separation expressed as a fraction of the spectral bandwidth of the channels. Experimental optical crosstalk measurements are also reported for a dual-channel spectrally-sliced LED sourced WDM system that support the theoretical predictions.
ISSN:1041-1135
1941-0174
DOI:10.1109/68.481143