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Simplified optical duobinary coding with a new return-to-one modulation format capable of transmitting 10 Gbit/s over 200 km standard dispersive fiber

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2 Author(s)
Royset, A. ; Norwegian Univ. of Sci. & Technol., Trondheim, Norway ; Hjelme, D.R.

Summary form only given. Optical duobinary coding is an attractive way to improve the dispersion tolerance in high-speed systems. The introduction of a three-level electrical signal causes distortion in saturated electrical amplifiers leading to excessive penalties at long word lengths. Two solutions have been proposed to avoid the need for a three level signal, but they do not have the same tolerance against dispersion. In this paper we present a new design avoiding the electrical three-level signal without reducing the dispersion tolerance.

Published in:

Optical Fiber Communication Conference and Exhibit, 1998. OFC '98., Technical Digest

Date of Conference:

22-27 Feb. 1998