Optical heterodyne receiver for selecting densely frequency division multiplexed signals

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Optical heterodyne receiver for selecting densely frequency division multiplexed signals

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Published

An optical heterodyne receiver that can select any channel out of 2.5 Gbit/s frequency division multiplexed (FDM) signals with spacing as narrow as 5 GHz has been developed. Sharp filtering characteristics of the heterodyne receiver at the intermediate frequency stage enable FDM signals with such narrow channel spacing to be demultiplexed.

Inspec keywords: optical receivers; frequency division multiplexing; demultiplexing; heterodyne detection

Other keywords: 2.5 Gbit/s; optical heterodyne receiver; IF filtering; FDM signal; channel selection; demultiplexing

Subjects: Multiplexing and switching in optical communication; Optical communication equipment

References

    1. 1)
      • Fukuchi, K., Kasamatsu, T., Morie, M., Ohhira, R., Ito, T., Sekiya, K., Ogasahara, D., Ono, T.: `10.92-Tb/s (273×40-Gb/s) triple-band/ultra-dense WDM optical-repeatered transmission experiment', Optical Fiber Communication Conf. (OFC2001), March 2001, Anaheim, CA, USA, PD24.
    2. 2)
      • J.D. Love , W.M. Henry , W.J. Stewart , R.J. Black , S. Lacroix , F. Gonthier . Tapered singlemode fibres and devices. IEE Proc. J, Optoelectron. , 5 , 343 - 354
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