140 Mbit/s optical FSK fibre heterodyne experiment at 1.54 μm

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140 Mbit/s optical FSK fibre heterodyne experiment at 1.54 μm

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© The Institution of Electrical Engineers
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An optical fibre heterodyne experiment using 2-FSK modulation at 140 Mbit/s has been operated in the 1.5 μm loss window. A receiver sensitivity of −55 dBm has been obtained; operation over a fibre link of 199.7 km showed no additional system degradation.

Inspec keywords: optical fibres; optical communication; demodulation; frequency shift keying

Other keywords: heterodyne detection; 1.54 micron loss window; 140 Mbit/s; fibre link; optical fibre heterodyne experiment; optical communication; FSK modulation; receiver sensitivity -55 dBm

Subjects: Fibre optics; Optical communication; Modulation and coding methods; Optical communication devices, equipment and systems; Fibre optics and fibre waveguides

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