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1.5 μm optical heterodyne system operating over 30 km of monomode fibre

1.5 μm optical heterodyne system operating over 30 km of monomode fibre

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© The Institution of Electrical Engineers
Published

A 1.52 μm wavelength 8 Mbit/s system using heterodyne detection is demonstrated over 30 km of installed monomode fibre cable. Sensitivity improvements of 14 dB over direct detection were obtained at the remote receiver with only −27 dBm local oscillator power. It was not necessary to use special polarisation-maintaining fibre to obtain these results.

Inspec keywords: optical fibres; optical communication equipment

Other keywords: 30 km optical fibre cable; 8 Mbit/s system; 1.5 microns wavelength; optical heterodyne system; monomode fibre; heterodyne detection

Subjects: Fibre optics; Optical communication

References

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