© The Institution of Engineering and Technology
Dispersion in the multimode fibres (MMF) limits the transmission distance of the modern data communication networks. The authors show that the use of single-mode (SM) vertical cavity surface emitting lasers (VCSELs) in combination with the receiver module of a commercially available transceiver can increase the transmission distance to several kilometres. They report 25.78 Gbit/s error-free transmission over 1800 m of multimode fibre with 850 nm and 1400 m with 910 nm SM VCSELs. Data transmission up to 2600 and 2400 m can be achieved with BER below 3.8×10−3 forward error correction limit accordingly. The use of multiple wavelengths demonstrates the opportunity to increase the capacity of MMF links with shortwave wavelength division multiplexing.
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Correspondence
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in brief
25.78 Gbit/s data transmission over 2 km multi-mode-fibre with 850 and 910 nm single-mode VCSELs and a commercial quad small form-factor pluggable transceiver