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Optical fibre digital pulse-position-modulation assuming a Gaussian received pulse shape

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5 Author(s)
R. A. Cryan ; Dept. of Electr. & Electron. Eng., Huddersfield Polytech., UK ; R. T. Unwin ; I. Garrett ; M. J. N. Sibley
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The abundance in bandwidth available in the best monomode fibres may be exchanged for improved receiver sensitivity by employing digital PPM. The paper presents a performance and optimisation analysis for a digital PPM coding scheme operating over a fibre channel employing a PIN-BJT receiver and assuming a Gaussian received pulse shape. The authors present original results for a 50 Mbit/s, 1.3 mu m wavelength digital PPM system and conclude that, provided the fibre bandwidth is several times that of the data rate, digital PPM can outperform commercially available PIN-BJT binary PCM systems.<>

Published in:

IEE Proceedings J - Optoelectronics  (Volume:137 ,  Issue: 2 )