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5 February 1990 Recent Progress in Multichannel Coherent Lightwave Systems at Bellcore
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We review the recent progress of a 16-channel coherent broadcast network at 155.52 Mb/s, that uses packaged 1.54 μ m DFB lasers stabilized at absolute frequencies and a tunable, polarization-insensitive receiver. System experiments conducted show a 0.3 dB power penalty incurred at a channel spacing of 8.5 Ghz. Results using an erbium-doped fiber amplifier gave a fiber-to-fiber gain of 22 dB and an amplifier dynamic range of 15 dB, enabling the distribution of sixteen 155 Mb/s signals to one of 256 end-users at a distance of 102 km.
© (1990) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
W. B. Sessa, R. Welter, M. W. Maeda, R. E. Wagner, L. Curtis, J. Young, H. Kodera, Y. Koga, and R. I. Laming "Recent Progress in Multichannel Coherent Lightwave Systems at Bellcore", Proc. SPIE 1175, Coherent Lightwave Communications: Fourth in a Series, (5 February 1990);

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