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Proceedings Paper

40 Gbit/s on-off-keyed system with 5.71 GHz clock recovery circuit using duty cycle division multiplexing
Author(s): G. Amouzad Mahdiraji; A. Malekmohammadi; A. Fauzi Abas; M. Khazani Abdullah
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Paper Abstract

Principle of 7 × 5.71 Gbit/s on-off-keyed (OOK) over duty cycle division multiplexing (DCDM) technique is presented. The 40 Gbit/s DCDM signals are then recovered with a receiver operates at 5.71 GHz clock using seven sampling circuits. With seven-user DCDM we show that spectral width of return-to-zero signal can be reduced around 42.8 %. The 40 Gbit/s OOK using DCDM required an optical signal-to-noise ratio of around 31.6 dB and tolerate around 50 ps/nm of chromatic dispersion. In addition, performance of the system is compared against other multiplexing techniques and modulation formats.

Paper Details

Date Published: 1 December 2009
PDF: 8 pages
Proc. SPIE 7632, Optical Transmission Systems, Switching, and Subsystems VII, 763212 (1 December 2009); doi: 10.1117/12.853294
Show Author Affiliations
G. Amouzad Mahdiraji, UCSI Univ. (Malaysia)
A. Malekmohammadi, Univ. Putra Malaysia (Malaysia)
A. Fauzi Abas, Univ. Putra Malaysia (Malaysia)
M. Khazani Abdullah, Significant Technologies Sdn. Bhd. (Malaysia)

Published in SPIE Proceedings Vol. 7632:
Optical Transmission Systems, Switching, and Subsystems VII
Dominique Chiaroni, Editor(s)

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