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Proceedings Paper

Performance comparison of advanced optical modulation formats in wavelength division multiplexing (WDM) systems employing G.655 fibers
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Paper Abstract

This paper studies the non-linear tolerance of several modulation formats in a four-span WDM system (8x10Gb/s) using low chromatic dispersion fiber. The narrow spacing between the channels (50 GHz) makes FWM to be the most detrimental effect experienced in each span made of G.655 fiber (80 km, D=2ps/nm.km) compensated by 0.8 km of DCF. A particular attention to the Q factor computed in the simulations enables a fair comparison between IMDD (Intensity Modulated Direct Detection) and phase modulated formats. It is shown that the various amplitude modulation alternatives result in more or less the same performance. Phase modulation schemes drastically increase the system performance leading to an increase of the Q-factor by almost 3dB.

Paper Details

Date Published: 10 February 2006
PDF: 7 pages
Proc. SPIE 6103, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications V, 610317 (10 February 2006); doi: 10.1117/12.647789
Show Author Affiliations
Ioannis Neokosmidis, Univ. of Athens (Greece)
Thomas Kamalakis, Univ. of Athens (Greece)
Athanasios Theocharidis, Univ. of Athens (Greece)
Antonis Bogris, Univ. of Athens (Greece)
Thomas Sphicopoulos, Univ. of Athens (Greece)


Published in SPIE Proceedings Vol. 6103:
Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications V
Peter E. Powers, Editor(s)

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