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Multi-impairment monitoring from adaptive finite-impulse-response filters in a digital coherent receiver |
Optics Express, Vol. 18, Issue 26, pp. 26929-26936 (2010)
http://dx.doi.org/10.1364/OE.18.026929
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Abstract
We propose a novel and unified algorithm that estimates linear impairments in optical transmission systems from tap coefficients of an adaptive finite-impulse response (FIR) filter in a coherent optical receiver. Measurable impairments include chromatic dispersion (CD), differential group delay (DGD) between two principal states of polarization, second-order polarization-mode dispersion (second-order PMD), and polarization-dependent loss (PDL). We validate our multi-impairment monitoring algorithm by dual-polarization quadrature phase-shift keying (QPSK) transmission experiments.
© 2010 OSA
OCIS Codes
(060.1660) Fiber optics and optical communications : Coherent communications
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.2920) Fiber optics and optical communications : Homodyning
ToC Category:
Fiber Optics and Optical Communications
History
Original Manuscript: November 12, 2010
Manuscript Accepted: November 29, 2010
Published: December 7, 2010
Citation
Md. Saifuddin Faruk, Yojiro Mori, Chao Zhang, Koji Igarashi, and Kazuro Kikuchi, "Multi-impairment monitoring from adaptive finite-impulse-response filters in a digital coherent receiver," Opt. Express 18, 26929-26936 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-26-26929
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References
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