2 February 1993 Low-distortion high-link budget lightwave CATV transport with amplifer at 1.55 um
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Abstract
We demonstrate a 42 channel, low distortion, high link budget 1.55 micrometers lightwave AM- VSB CATV transport system based on modulated laser and erbium doped fiber amplifier. The link budget is enhanced by 21 db by the erbium doped fiber amplifier, an increase of 13 dB, while maintaining the carrier to noise ratio of 52 dB with a single stage amplifier. For the distortion due to the fiber amplifier (independent of carrier frequency) and fiber dispersion (linearly dependent on the carrier frequency), we employ a unique electronic compensation technique to effectively suppress the distortion to satisfy the stringent system requirement of lower than -60 dBc.
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Chien-yu C. Kuo, Ernest E. Bergmann, Louis P. Corvo, "Low-distortion high-link budget lightwave CATV transport with amplifer at 1.55 um", Proc. SPIE 1786, Fiber Networks for Voice, Video, and Multimedia Services, (2 February 1993); doi: 10.1117/12.139293; https://doi.org/10.1117/12.139293
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