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Compensation of int...
Compensation of intra-channel nonlinear fibre impairments using simplified digital back-propagation algorithm
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- Rafique, Danish (author)
- Photonics Systems Group, Tyndall National Institute and Department of Electrical Engineering/Physics, University College Cork, Dyke Parade, Prospect Row, Cork, Ireland
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- Mussolin, Marco (author)
- RISE,Acreo
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- Forzati, Macro (author)
- Acreo AB, Network Transmission Lab.
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- Mårtensson, Jonas (author)
- RISE,Acreo
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- Chughtai, Mohsan Niaz (author)
- Acreo Netlab, SE 16440, Kista, Electrum 236, Sweden
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Ellis, David (author)
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(creator_code:org_t)
- Optical Society of America, 2011
- 2011
- English.
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In: Optics Express. - : Optical Society of America. - 1094-4087. ; 19:10, s. 9453-9460
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Abstract
Subject headings
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- We investigate a digital back-propagation simplification method to enable computationally-efficient digital nonlinearity compensation for a coherently-detected 112 Gb/s polarization multiplexed quadrature phase shifted keying transmission over a 1,600 km link (20x80km) with no inline compensation. Through numerical simulation, we report up to 80% reduction in required back-propagation steps to perform nonlinear compensation, in comparison to the standard back-propagation algorithm. This method takes into account the correlation between adjacent symbols at a given instant using a weighted-average approach, and optimization of the position of nonlinear compensator stage to enable practical digital back-propagation.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
- NATURVETENSKAP -- Data- och informationsvetenskap (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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