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Transmission experiment at 3 Gbit/s with close-spaced wavelength-division-multiplexed single-frequency lasers at 1.5 ¿m

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3 Author(s)
Olsson, N.A. ; AT&T Bell Laboratories, Murray Hill, USA ; Logan, R.A. ; Johnson, L.F.

We report the first fibre-optic transmission experiment employing close-spaced wavelength division multiplexing and high-bit-rate modulation. Experimental results from transmission at 3 Gbit/s over 60 km of single-mode fibre using two wavelength-multiplexed single-frequency distri-buted-feedback lasers are described. The lasers, operating at 1.55 ¿m and with a wavelength separation of only 2.9 nm, are each modulated at 1.5 Gbit/s giving a total system capacity of 180 Gbitkm/s.

Published in:

Electronics Letters  (Volume:20 ,  Issue: 17 )