NON COHERENT EXPERIMENTAL IN-BAND OSNR MONITORING USING COST-EFFECTIVE DSP TECHNIQUE INSENSITIVE TO POLARIZATION EFFECTS
Keywords:
DSP, Monitoring, OSNR, Photodetection, PolarizationAbstract
We develop and demonstrate an experimental cost-effective solution for non-coherent single polarization channel in-band OSNR estimation, using a digital signal processing (DSP) technique, insensitive to effects of different states of polarization. It was verified that previous reported methods when applied in a real optical network scenario (without polarization control), provides an OSNR error estimation above 8Â dB when different states of polarization are considered. We analyzed, modeled and implemented this influence through numerical simulations and applied to the experimental device, resulting in a successfully OSNR estimation from 5.5 to 17Â dB (range of 11.5Â dB) with error below 2Â dB for OOK modulated channels.
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Reconfigurable Optical Networks (CHRON): Enabling Technologies and Techniques”,
International Conference on Transparent Optical Networks, 2011.
[2] J. H. Lee and Y. C. Chung, “OSNR monitoring technique using polarization nulling method”
IEEE Photon. Technol. Lett., vol. 13, no. 1, pp. 88–90, Jan. 2001.
[3]E. Flood, W. H. Guo, J. F. Smyth, M. Lynch, A. L. Bradley, L. P. Barry and J. F. Donegan, “Dual
Polarization Interferometric In-Band OSNR Measurement”, IEEE Photon. Technol. Lett., vol. 24,
no. 11, pp. 873–875, June. 2012.
[4] Lee JH, Yoshikane N, Tsuritani T, Otani T, “In-band OSNR monitoring technique based on linkby-link estimation for dynamic optical networks”, Optical Fiber Communication Conference,
Anaheim, CA, 2006.
[5] Shin Sk, Park KJ, Chung YC, “A novel optical signal-to-noise ratio monitoring technique for
WDIM networks”, Optical Fiber Communication Conference, Baltimore, 2000.
[6] Qi Sui, Alan Pak Lau and Chao Lu, “OSNR monitoring in the presence of first-order PMD using
polarization diversity and DSP”, Journal of Lightwave Technology, vol. 28, no. 15, pp 2105-2114,
Aug. 2010.
[7] V. V. Nascimento, J. C. S. S. Januário, J. C. R. F. de Oliveira, “Análise de Influência do Ruído
Térmico e Filtragem Elétrica em Técnicas de Monitoração de OSNR Digital”, Anais SBrT, 2011.
[8] G.P. Agrawal, “Fiber-Optic Communications Systems”, 3th ed., (Wiley, 2002).
[9] D. Gariépy, G. He, G. W. Schinn, “ Non-intrusive measurement of In-Band OSNR of high
bitrate polarization-multiplexed signals”, Optical Fiber Technology, vol 17, pp 518-522, 2011.
[10]T. Saida, et al., “In-band OSNR monitor with high-speed integrated Stokes polarimeter for
polarization division multiplexed signal”, ECOC, Th.2.A.2, 2012.
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Published
2013-08-01
How to Cite
João C. S. S. Januário, Heitor S. Carvalho, Juliano R. F. Oliveira, & Júlio C. R. F. de Oliveira. (2013). NON COHERENT EXPERIMENTAL IN-BAND OSNR MONITORING USING COST-EFFECTIVE DSP TECHNIQUE INSENSITIVE TO POLARIZATION EFFECTS. Journal of Microwaves, Optoelectronics and Electromagnetic Applications (JMOe), 12, si140-si155. Retrieved from http://www.jmoe.org/index.php/jmoe/article/view/395
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