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AMI-CPFSK heterodyne transmission experiment using a novel delay-line demodulation method

AMI-CPFSK heterodyne transmission experiment using a novel delay-line demodulation method

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A novel delay-line demodulation method is proposed that can directly convert an AMI-CPFSK signal into a NRZ baseband signal. A pattern-independent 622 Mbit/s CPFSK heterodyne transmission experiment for a fibre span of 121 km is demonstrated by using AMI line coding and the proposed demodulation method.

References

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      • H. Tsushima , S. Sasaki , R. Takeyari , M. Maeda . Novel optical FSK modulation/demodulation schemes with Alternate Mark Inversion (AMI) coding. Trans. IEICE Lett. , 11 , 1086 - 1088
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      • R.C. Steele , M. Creaner . 565 Mbit/s AMI FSK coherent system using commercial DFB lasers. Electron. Lett. , 732 - 734
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      • K. Uomi , S. Sasaki , T. Tsuchiya , M. Okai , M. Aoki , N. Chinone . Spectral linewidth reduction by low spatial hole burning in 1.5 μm multi-quantum-well λ/4-shifted DFB lasers. Electron. Lett. , 52 - 53
    4. 4)
      • Noe, R., Maeda, M.W., Menocal, S.G., Zah, C.E.: `AMI signal format for pattern-independent FSK heterodyne transmission and two channel crosstalk measurements', ECOC'88, Tech. Digest, 1988, p. 175–178.
http://iet.metastore.ingenta.com/content/journals/10.1049/el_19900817
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