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9 June 2006 Ultimate spectral efficiency of information transmission of erbium-doped fiber amplifiers and lumped amplifier chains
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Proceedings Volume 6162, International Conference on Lasers, Applications, and Technologies 2005: Laser Sensing, Imaging, and Information Technologies; 61620J (2006) https://doi.org/10.1117/12.675000
Event: International Conference on Lasers, Applications, and Technologies 2005, 2005, St. Petersburg, Russian Federation
Abstract
Ultimate spectral efficiency of information transmission of erbium-doped fiber amplifiers and lumped amplifier chains is considered on the basis of the number-state model for linear communication channel. For single amplifier the efficiency is about 12-14 bit⋅s-1Hz-1 at 1 μW⋅GHz-1 input signal power density depending on pumping conditions. For long-haul communication lines it approximates 7-14 bit⋅s-1 Hz-1 for spectral density of input signal power of 1-100 μW⋅GHz-1.
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Mikhail A. Khodasevich and Yury A. Varaksa "Ultimate spectral efficiency of information transmission of erbium-doped fiber amplifiers and lumped amplifier chains", Proc. SPIE 6162, International Conference on Lasers, Applications, and Technologies 2005: Laser Sensing, Imaging, and Information Technologies, 61620J (9 June 2006); https://doi.org/10.1117/12.675000
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