Low cost high capacity data transmission over plastic optical fibre using wavelength multiplexed quadrature amplitude modulation

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Abstract

Quadrature Amplitude Modulation (QAM) is considered to increase the channel capacity in bandwidth-limited large-core step-index polymer optical fiber links since it can take advantage of widely used low-cost QAM chips. The baseband in-phase and quadrature-phase signals of the QAM signal can be transmitted in two different wavelength channels with two low cost LEDs, at 460nm and 650nm respectively. In the computer simulation, the occupied bandwidth with this implementation decreased to 1/3, compared to the normal implementation of QAM. Using 16 QAM, 60Mbit/s over 100m 1mm core diameter step-index PMMA optical fiber has been realized. This system showed the feasibility of QAM transmission for low-cost high-speed transmission over large core plastic optical fibre. Using a 650nm red LED which combines the higher bandwidth and enough optical power, the transmission capacity can be increased further.
Original languageEnglish
Title of host publicationProceedings of the 12th Annual Symposium of the IEEE/LEOS Benelux Chapter, 17-18 December 2007, Brussels, Belgium
EditorsM. Delqué, Ph. Emplit, S.P. Gorza, P. Kockaert, X.J.M. Leijtens
Place of PublicationBrussels
PublisherIEEE/LEOS
Pages131-134
ISBN (Print)978-2-9600753-0-4
Publication statusPublished - 2007
Event12th Annual Symposium of the IEEE/LEOS Benelux Chapter, December 17-18, 2007, Brussels, Belgium - Brussels, Belgium
Duration: 17 Dec 200718 Dec 2007

Conference

Conference12th Annual Symposium of the IEEE/LEOS Benelux Chapter, December 17-18, 2007, Brussels, Belgium
CountryBelgium
CityBrussels
Period17/12/0718/12/07

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