- Costa, N.; Cartaxo, A.; "Optical DQPSK modulation performance evaluation" - Chapter in Advances in Lasers and Electro optics, Nelson Costa, Adolfo Cartaxo, In-Tech, ,
2010.
Papers in Journals [4]
- Costa, N.; Cartaxo, A.; "Optical DQPSK system performance evaluation using equivalent differential phase in presence of receiver imperfections", IEEE/OSA Journal of Lightwave Tech., Vol. 28, No. 12, pp. 1735 - 1744, June, 2010. Abstract
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- Pavlovic, N.P.; Costa, N.; Cartaxo, A.; "Single-sideband differential phase shift keying asynchronous carrier-suppressed return-to-zero — a novel signaling format optimized for long-haul UDWDM systems", IEEE/OSA Journal of Lightwave Tech., Vol. 27, No. 12, pp. 1990 - 2000, June, 2009. Abstract | Full text (PDF 721KB) | BibTex
- Costa, N.; Cartaxo, A.; "Novel semi-analytical method for BER evaluation in simulated optical DQPSK systems", IEEE Photonics Technology Letters, Vol. 21, No. 7, pp. 447 - 449, April, 2009. Abstract
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- Costa, N.; Cartaxo, A.; "Influence of the channel number on the optimal dispersion map due to XPM in WDM links", IEEE/OSA Journal of Lightwave Tech., Vol. 26, No. 22, pp. 3640 - 3649, November, 2008. Abstract
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Papers in Conference Proceedings [14]
- Costa, N.; Alves , T. M. F.; Fonseca, D.F.; Cartaxo, A.; "General memory polynomial for transmission impairments mitigation in coherent communication systems", Proc OSA Signal Processing in Photonic Communications - SPPCom, Colorado Springs, United States, Vol. -, pp. - - -, June, 2012.
Abstract
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- Costa, N.; Fonseca, D.F.; Cartaxo, A.; "Influence of local oscillator-to-signal power ratio on the gaussianity of CP-QPSK signal statistics", Proc International Conf. on Transparent Networks – ICTON , Stockholm, Sweden, Vol. Tu.C1.6, pp. -1 - -4, June, 2011.
Abstract
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- Cartaxo, A.; Costa, N.; Fonseca, D.F.; "Analysis of optimum dispersion maps for DQPSK systems", Proc International Conf. on Transparent Networks – ICTON , Munich, Germany, Vol. Mo.D1.1, pp. 1 - 4, June, 2010.
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- Costa, N.; Fonseca, D.F.; Cartaxo, A.; "Impact of nonlinear phase noise on the optimum dispersion map for DQPSK systems", Proc European Conf. on Networks and Optical Communications - NOC, Faro, Portugal, Vol. -, pp. - - -, June, 2010.
Abstract
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- Costa, N.; Cartaxo, A.; "Impact of inter-symbol interference on optical DQPSK systems performance evaluation using equivalent differential phase", Proc International Conf. on Transparent Networks – ICTON , Ponta Delgada, Portugal, Vol. Tu.B2.3, pp. - , June, 2009.
Abstract
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- Costa, N.; Cartaxo, A.; "Analysis of DQPSK signals performance in upgrading metropolitan area networks to 40 Gbit/s per channel", Proc International Conf. on Transparent Networks – ICTON , Athens, Greece, Vol. 1, pp. 43 - 46, June, 2008.
Abstract
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- Costa, N.; Cartaxo, A.; "BER estimation in DPSK systems using the differential phase Q taking into account the electrical filtering influence", Proc International Microwave and Optoelectronics Conf. - IMOC, Salvador, Brazil, Vol. _, pp. 337 - 340, October, 2007.
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- Costa, N.; Cartaxo, A.; "Novel approach for BER evaluation of DQPSK systems using differential phase Q", Proc IEEE Lasers and Electro Optics Society Annual Meeting - LEOS, Lake Buena Vista, United States, Vol. MP3, pp. 143 - 144, October, 2007.
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- Alves , T. M. F.; Costa, N.; Cartaxo, A.; "Dependence of XPM degradation on the dispersion map for 10 Gbit/s WDM links over standard-fibre employing duobinary format", Proc International Conf. on Transparent Networks – ICTON , Rome, Italy, Vol. Tu.A1.1, pp. 79 - 82, July, 2007.
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- Costa, N.; Alves , T. M. F.; Cartaxo, A.; "Influence of dispersion compensation granularity on the XPM-induced degradation in NRZ-IM-DD WDM links at 10 Gbit/s per channel with 50 GHz of channel spacing", Proc International Conf. on Transparent Networks – ICTON , Rome, Italy, Vol. Tu.C1.6, pp. 151 - 154, July, 2007.
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- A. Guardado ; S. Santos; Costa, N.; Alves , T. M. F.; Cartaxo, A.; "A software tool for designing wavelength division multiplexed links", Proc Conf. on Telecommunications - ConfTele, Peniche, Portugal, Vol. 1, pp. 497 - 500, May, 2007.
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- Costa, N.; Cartaxo, A.; "Analysis of optimal dispersion map due to XPM in 10 Gbit/s WDM links with standard single mode fibres", Proc Conf. on Telecommunications - ConfTele, Peniche, Portugal, Vol. 1, pp. 537 - 540, May, 2007.
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- Costa, N.; Alves , T. M. F.; Cartaxo, A.; "Dispersion map optimization for XPM-limited 10 Gbit/s NRZ-IM-DD WDM links", Proc IASTED International Conf. on Wireless and Optical Communications - WOC, Montréal, Canada, Vol. 1, pp. 274 - 279, May, 2007.
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- Alves , T. M. F.; Costa, N.; Cartaxo, A.; "Influence of DCM nonlinearity on the XPM degradation in 10 Gbit/s dispersion managed NRZ-IM-DD links", Proc IASTED International Conf. on Wireless and Optical Communications - WOC, Montreal, Canada, Vol. 1, pp. 221 - 224, May, 2007.
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