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Random access optical heterodyne receiver for coherent FDM broadcasting systems

Random access optical heterodyne receiver for coherent FDM broadcasting systems

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© The Institution of Electrical Engineers
Published

A random access optical heterodyne receiver for a coherent FDM broadcasting system has been developed, using a wavelength tunable local DBR LD, polarisation diversity technique and a random access automatic frequency controller. In a 10-channel FDM experimental system, 114 GHz capture range, 80 GHz lock range and arbitrary channel selection within less than 1 ms were realised.

Inspec keywords: optical communication equipment; optical links; distributed Bragg reflector lasers; frequency division multiplexing; video signals; semiconductor junction lasers

Other keywords: 114 GHz; random access; coherent FDM broadcasting systems; lock range; 80 GHz; optical heterodyne receiver; wavelength tunable local DBR LD; arbitrary channel selection; polarisation diversity technique; automatic frequency controller; capture range

Subjects: Optical communication; Radio and television broadcasting

References

    1. 1)
      • Shibutani, M., Yamazaki, S., Murata, S.: `Polarization diversity coherent optical receiver with a balanced receiver configuration.', ECOC '88, pp, 1988, p. 151–154.
    2. 2)
      • Shimosaka, N., Kaede, K., Murata, S.: `Frequency locking FDM optical sources using widely tunable DBR LDs.', OFC '88, 1988, THG3.
    3. 3)
      • Braun, R.P., Ludwig, R., Molt, R.: `Ten-channel coherent optic fibre transmission using an optical traveling wave amplifer.', ECOC '86, post-deadline paper, 1986, p. 29–32.
    4. 4)
      • Murata, S., Mito, I., Kobayashi, K.: `Over 5.8-nm continuous wavelength tuning of 1.5 μm wavelength tunable DBR laser.', OFC/IOOC '87, 1987, WC3.
    5. 5)
      • Emura, K., Yamazaki, S., Murata, S., Fujiwara, M.: `Design consideration for a coherent FDM-FSK dual-filter detection system with wavelength tunable DBR LD.', OFC '88, 1988, WC4.
    6. 6)
      • D.J. Heatley , T.G. Hodgkinson . Video transmission over cabled monomode fibre at 1.523 μm using PFM with 2-PSK heterodyne detection. Electron. Lett. , 110 - 112
    7. 7)
      • B. Glance , J. Stone , K.J. Pollock , C.A. Burrus , B.L. Kasper , L.W. Stulz . Densely spaced FDM coherent star network with optical signals confined to equally spaced frequencies. IEEE J. Lightwave Technol. , 11 , 1770 - 1781
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