A novel architecture of single-arm duobinary direct modulation format for optical communication

Lee, L.H. and Geok, T.K. and Reza, A.W. (2010) A novel architecture of single-arm duobinary direct modulation format for optical communication. Journal of Optoelectronics and Advanced Materials, 12 (10). pp. 2022-2030.

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Abstract

Recent trend have shown that the growth of internet traffic has accentuated the aggravating lag of access network capacity and most widely deployed broadband solutions are unable to provide enough bandwidth for the emerging services. A new technology is required that is inexpensive, simple, scalable, and capable of handling above mentioned fundamental constraints in high-speed communication systems. The optical duobinary coding is an effective method in high-speed transmission systems to increase the dispersion tolerance, to improve the spectral efficiency, and to reduce the sensitivity of non-linear effects. Therefore, a novel and simple (alternative) duobinary precoder is presented in this paper using standard logic ICs for the configuration of duobinary single-arm direct modulation transmitter. The performance of the proposed single-arm duobinary direct modulation format is evaluated by comparing the bit-error-rate (BER), eye diagram, and Q value with different bit rates. The obtained results show satisfactory performance and good agreement with the simulated results.

Item Type: Article
Uncontrolled Keywords: Optical communication; Single-arm duobinary; Modulation format; Optical fiber
Subjects: Q Science > Q Science (General)
Depositing User: Mr Faizal 2
Date Deposited: 19 Jan 2015 03:41
Last Modified: 19 Jan 2015 03:41
URI: http://eprints.um.edu.my/id/eprint/12186

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