FDM-FSK star network with a tunable optical filter demultiplexer

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FDM-FSK star network with a tunable optical filter demultiplexer

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© The Institution of Electrical Engineers
Published

An optical frequency-division-multiplexed star network is analysed and demonstrated experimentally using two 45Mbit/s frequency-shift-keyed laser channels at 1.5 μm. A tunable fibre Fabry–Perot filter is used as demultiplexer. The analysis predicts and experiment supports a minimum channel spacing of about six times bit rate B for a single FFP and 3B for a tandem FFP.

Inspec keywords: multiplexing equipment; frequency shift keying; optical couplers; frequency division multiplexing; optical communication equipment; tuning; optical filters

Other keywords: frequency-shift keyed laser channels; Fabry-Perot filter; 45 Mbits/s; 1.5 micron; frequency-division-multiplexed star network; tunable optical filter demultiplexer; FDM-FSK star network

Subjects: Optical communication; Switching centres and equipment; Modulation and coding methods; Optical waveguides

References

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      • B. Glance , P.J. Fitzgerald , K.J. Pollock , J. Stone , C.A. Burrus , G. Eisenstein , L.W. Stulz . Frequency stabilisation of FDM optical signals. Electron. Lett.
    2. 2)
      • J. Stone , L.W. Stulz . Pigtailed high-finesse tunable fibre Fabry-Perot interferometers with large, medium and small free spectral ranges. Electron. Lett.
    3. 3)
      • N.A. Olsson , B.H. Johnson , H.J. Lee , C.H. Henry , R.F. Kazarinov , D.A. Ackerman , P.J. Anthony . Coherent transmission using external waveguide Bragg reflector laser with direct frequency modulation. Electron. Lett.
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