International Journal of Computer Network and Information Security(IJCNIS)
ISSN: 2074-9090 (Print), ISSN: 2074-9104 (Online)
Published By: MECS Press
IJCNIS Vol.4, No.4, May. 2012
Recent Advances of Distributed Optical Fiber Raman Amplifiers in Ultra Wide Wavelength Division Multiplexing Telecommunication Networks
Full Text (PDF, 810KB), PP.63-74
Recently, many research works have been focused on the fiber optic devices for optical communication systems. One of the main interests is on the optical amplifiers to boost a weak signal in the communication systems. In order to overcome the limitations imposed by electrical regeneration, a means of optical amplification was sought. The competing technology emerged: the first was Raman amplification. One reason was that the optical pump powers required for Raman amplification were significantly higher than that for Erbium doped fiber amplifier (EDFA), and the pump laser technology could not reliably deliver the required powers. However, with the improvement of pump laser technology Raman amplification is now an important means of expanding span transmission reach and capacity. We have deeply studied an analytical model for optical distributed Raman amplifiers (DRAs) in the transmission signal power and pump power within Raman amplification technique in co-pumped, counter-pumped, and bi-directional pumping direction configurations through different types of fiber cable media. The validity of this model was confirmed by using experimental data and numerical simulations.
Cite This Paper
Abd El–Naser A. Mohamed,Ahmed Nabih Zaki Rashed,Mahmoud M. A. Eid,"Recent Advances of Distributed Optical Fiber Raman Amplifiers in Ultra Wide Wavelength Division Multiplexing Telecommunication Networks", IJCNIS, vol.4, no.4, pp.63-74, 2012.
Abd El-Naser A. Mohammed, and Ahmed Nabih Zaki Rashed, “Comparison Performance Evolution of Different Transmission Techniques With Bi-directional Distributed Raman Gain Amplification Technique in High Capacity Optical Networks,” International Journal of Physical Sciences, Vol. 5, No. 5, pp. 484-495, May 2010.
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