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Noise performance o...
Noise performance of optical fiber transmission links that use non-degenerate cascaded phase-sensitive amplifiers
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- Tong, Zhi, 1977 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- McKinstrie, Colin (author)
- Nokia AB,Nokia Oy
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- Lundström, Carl Peter, 1982 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Karlsson, Magnus, 1967 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Andrekson, Peter, 1960 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2010
- 2010
- English.
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In: Optics Express. - 1094-4087 .- 1094-4087. ; 18:15, s. 15426-15439
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https://doi.org/10.1...
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Abstract
Subject headings
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- Based on semi-classical theory, the noise performance of a multispan fiber optical transmission system employing a cascaded phaseinsensitive amplifier (PIA) and phase-sensitive amplifiers (PSAs) is investigated. Compared with the pure-PIA and pure-PSA based in-line amplification schemes, the copier + PSA scheme is found to improve the system NF by up to 6 and 3 dB, respectively, in an optimized long-haul fiber link, In addition, this cascaded configuration will significantly relax the requirement for accurate phase- and wavelength-locking which is rigorously needed in the pure-PSA configuration, This scheme is also modulation-format independent. As a proof of concept, the NF of a fiber parametric amplifier based copier + PSA cascade with inter-stage attenuation representing the fiber link is measured, which shows a 1.8-dB total NF improvement over the conventional EDFA cascade. © 2010 Optical Society of America.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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