Papers in Journals
2006

J. Rebola, A. Cartaxo, “Analysis and validation of the probability density function of the output current of optically preamplified receivers with arbitrary optical filtering through Monte Carlo simulation”, accepted for publication in Journal of Optical Communications.

J. Rebola, A. Cartaxo, “Closed-form expression for arbitrary modulation formats performance evaluation in optically amplified systems”, accepted for publication in Journal of Optical Communications.

D. Fonseca, A. Cartaxo, P. Monteiro, “Modeling and experimental validation of an x-cut 4 phase modulators structure”, accepted for publication in IEE Proceedings, Part J – Optoelectronics.

D. Fonseca, A. Cartaxo, P. Monteiro, “Spectrally efficient optical label insertion/extraction technique using an optical singe sideband filter”, IEEE Photonics Technology Letters, vol. 18, nº13, 1st July 2006, pp. 1463-1465.

P. Charrua, A. Cartaxo, “Performance analysis of AMI-RZ single-sideband signals in 40 Gbit/s transmission systems”, IEE Proceedings, Part J – Optoelectronics, vol. 153, nº3, June 2006, pp. 109-118.

D. Fonseca, A. Cartaxo, P. Monteiro, “Optical single-sideband transmitter for various electrical signalling formats”, IEEE/OSA Journal of Lightwave Technology, vol. 24, nº5, May 2006, pp. 2059-2069.

M. Leiria, A. Cartaxo, “Optimization of optical add-drop multiplexers based on arrayed waveguide gratings with fabrication errors for transparent optical networks”, Fiber and Integrated Optics, vol. 25, nº1, February 2006, pp. 141-159.

D. Fonseca, A. Cartaxo, P. Monteiro, “Adaptive opto-electrical filter for improved optical single sideband generation”, IEEE Photonics Technology Letters, vol. 18, nº2, 15 January 2006, pp. 415-417.
2005

R. Luís, A. Cartaxo, “Impact of dispersion slope on XPM-degradation in WDM systems with high channel count”, IEEE/OSA Journal of Lightwave Technology, vol. 23, nº11, November 2005, pp. 3764-3772.

J. Rebola, A. Cartaxo, “Performance evaluation of optically preamplified receivers with partially polarized noise and arbitrary optical filtering: a rigorous approach”, IEE Proceedings, Part J – Optoelectronics, vol. 152, nº5, October 2005, pp. 251-262.

D. Fonseca, P. Monteiro, A. Cartaxo, “Adaptive optical single sideband filter based on a phase modulator”, IEE Electronics Letters, vol. 41, nº13, 23 June 2005, pp. 760-761.

D. Fonseca, A. Cartaxo, “On the transition to pseudo-linear regime in dispersion managed systems with NRZ, RZ and duobinary signal formats”, IEE Proceedings, Part J – Optoelectronics, vol. 152, nº3, June 2005, pp. 181-187.

J. Rocha, A. Cartaxo, H. Silva, J. Pinto, A. Teixeira, A. Gameiro, P. Monteiro, J. Pires, R. Ribeiro, M. Violas, A. Pinto, M. Lima, P. André, M. Freire, A. Ribeiro, C. Fernandes, J. Pereira, J. Pousa, J. Santos, M. Almeida, A. Tavares, R. Nogueira, J. Machado, “Optical communications research at Institute of Telecommunications”, Fiber and Integrated Optics (invited paper), vol. 24, nº3-4, April 2005, pp. 411-428.

A. Cartaxo, J. Rebola, N. Pavlovic, P. Charrua, D. Fonseca, J. Morgado, R. Luís, M. Leiria, “Overview of DWDM/ODC project”, Fiber and Integrated Optics (invited paper), vol. 24, nº3-4, April 2005, pp. 331-352.

M. Leiria, A. Cartaxo, “Evaluation of transparent optical network performance in presence of incoherent homodyne crosstalk”, Fiber and Integrated Optics (invited paper), vol. 24, nº3-4, April 2005, pp. 315-330.

R. Luís, A. Cartaxo, “Analytical characterization of SPM impact on XPM-induced degradation in dispersion-compensated WDM systems”, IEEE/OSA Journal of Lightwave Technology, vol. 23, nº3, March 2005, pp. 1503-1513.

J. Rebola, A. Cartaxo, “Probability density function of the output current of cascaded multiplexer/demultiplexers in transparent optical networks”, Fiber and Integrated Optics, vol. 24, nº2, March 2005, pp. 55-72.

J. Morgado, A. Cartaxo, “Laser optimisation for dispersion supported transmission systems”, IEE Proceedings, Part J – Optoelectronics, vol. 152, nº1, February 2005, pp. 49-56.

P. Charrua, A. Cartaxo, “Performance of DCS-RZ single-sideband signal in 40 Gbit/s long-haul transmission systems”, IEE Proceedings, Part J – Optoelectronics, vol. 152, nº1, February 2005, pp. 33-40.

P. Charrua, A. Cartaxo, “Optimized filtering for AMI-RZ and DCS-RZ SSB signals in 40 Gbit/s/ch-based UDWDM systems”, IEEE Photonics Technology Letters, vol. 17, nº1, January 2005, pp. 223-225.
2004
M. Leiria, J. Rebola, A. Cartaxo, “Gaussian approach for the performance assessment of optical multiplexer / demultiplexer concatenation in transparent optical networks”, IEE Proceedings, Part J – Optoelectronics, vol. 151, nº3, June 2004, pp. 157-165.
N. Pavlovic, A. Cartaxo, “Influence of transmitter chirp on optimised dispersion managed 10 Gbit/s NRZ installed links”, IEE Proceedings, Part J – Optoelectronics, vol. 151, nº1, February 2004, pp. 27-36.
2003
J. Morgado, A. Cartaxo, “Directly modulated laser parameters optimisation for metropolitan area networks utilizing negative dispersion fibers”, IEEE Journal of Selected Topics in Quantum Electronics, vol. 9, nº5, Sep. / Oct. 2003, pp. 1315-1324.
J. Morgado, A. Cartaxo, “Assessment of laser noise influence on direct detection transmission system performance”, IEEE/OSA Journal of Lightwave Technology, vol. 21, nº3, March 2003, pp. 759-768.
J. Rebola, A. Cartaxo, “Q-factor estimation and impact of spontaneous-spontaneous beat noise on the performance of optically preamplified systems with arbitrary optical filtering”, IEEE/OSA Journal of Lightwave Technology, vol. 21, nº1, January 2003, pp. 87-95.
2002
J. Rebola, A. Cartaxo, “Performance optimization of Gaussian apodized fiber Bragg grating filters in WDM systems”, IEEE/OSA Journal of Lightwave Technology, vol. 20, nº8, August 2002, pp. 1537-1544.
J. Rebola, A. Cartaxo, “Power penalty assessment in optically preamplified receivers with arbitrary optical filtering and signal-dependent noise dominance”, IEEE/OSA Journal of Lightwave Technology, vol. 20, nº3, March 2002, pp. 401-408.
2001
J. Rebola, A. Cartaxo, “Gaussian approach for performance evaluation of optically preamplified receivers with arbitrary optical and electrical filters”, IEE Proceedings, Part J – Optoelectronics, vol. 148, nº2, June 2001, pp. 135-142.
A. Cartaxo, J. Morgado, “Rigorous simulation and analysis of semiconductor laser dynamics taking multiple reflections in the external cavity into account”, Fiber and Integrated Optics, vol. 20, nº3, May 2001, pp. 295-323.
J. Morgado, A. Cartaxo, “Dispersion supported transmission technique: comparison of performance in anomalous and normal propagation regimes”, IEE Proceedings, Part J – Optoelectronics, vol. 148, nº2, April 2001, pp. 107-116.
2000
A. Cartaxo, J. Morgado, “Analysis of semiconductor laser frequency noise taking into account multiple reflections in the external cavity”, IEE Proceedings, Part J - Optoelectronics, vol. 147, nº5, October 2000, pp. 335-344.
1999
A. Cartaxo, “Small-signal analysis for nonlinear and dispersive optical fibres and its application to design of dispersion supported transmission systems with optical dispersion compensation”, IEE Proceedings, Part J - Optoelectronics, vol. 146, nº5, October 1999, pp. 213-222.
A. Cartaxo, B. Wedding, W. Idler, “Influence of fiber nonlinearity on the fiber transfer function: theoretical and experimental analysis”, IEEE/OSA Journal of Lightwave Technology, vol. 17, nº10, October 1999, pp. 1806-1813.
A. Cartaxo, “Cross-phase modulation in intensity modulation – direct detection WDM systems with multiple optical amplifiers and dispersion compensators”, IEEE/OSA Journal of Lightwave Technology, vol. 17, nº2, February 1999, pp. 178-190.
A. Cartaxo, J. Morgado, “Rigorous assessment of small-signal analysis for linear and dispersive optical communication systems operating near zero-dispersion wavelength”, IEEE/OSA Journal of Lightwave Technology, vol. 17, nº1, January 1999, pp. 86-94.
1998
A. Cartaxo, “Impact of modulation frequency on cross-phase modulation effect in intensity modulation - direct detection WDM systems”, IEEE Photonics Technology Letters, vol. 10, nº9, September 1998, pp. 1268-1270. 
A. Cartaxo, J. Morgado, “Intensity and frequency noise transmission along single-mode fibre at zero-dispersion wavelength”, IEE Proceedings, Part J - Optoelectronics, vol. 145, nº4, August 1998, pp. 211-216. 
A. Cartaxo, B. Wedding, W. Idler, “Influence of fiber nonlinearity on the phase noise to intensity noise conversion in fiber transmission: theoretical and experimental analysis”, IEEE/OSA Journal of Lightwave Technology, vol. 16, nº7, July 1998, pp. 1187-1194. 
 
 
 
 
Papers in Conferences
 
2006

D. Fonseca, A. Cartaxo, P. Monteiro, “Opto-electrical filter for 40 Gbit/s optical single sideband signal generation”, accepted for presentation in 2006 Optical Fiber Communication Conference (OFC/NFOEC'06), Anaheim, California, U.S.A., 5-10 March 2006, paper JThB14.
2005

D. Fonseca, A. Cartaxo, P. Monteiro, “Highly efficient electrical dispersion compensation scheme for optical single sideband systems”, 18th IEEE Lasers and Electro Optics Society (LEOS) Annual Meeting, Sydney, Australia, 23-27 October 2005, paper ThU5, pp. 898-899.


D. Fonseca, A. Cartaxo, P. Monteiro, R. Sousa, T. Silveira, A. Ferreira, M. Violas, “40 Gbit/s OSSB-NRZ transmitter for high capacity systems”, 31st European Conference on Optical Communications (ECOC'05), Glasgow, Scotland, 25-29 September 2005, paper Th 1.2.6, pp. 787-788.

N. Pavlovic, A. Cartaxo, “Optimized bandwidth-limited duobinary coding format for ultra dense WDM systems”, 7th International Conference on Transparent Optical Networks (ICTON) 2005, Barcelona, Spain, 3-7 July 2005, pp. 385-388.


D. Fonseca, A. Cartaxo, P. Monteiro, “Transmission improvements using electrical dispersion compensation at the transmitter side and RZ pulse format in optical single sideband systems”, 7th International Conference on Transparent Optical Networks (ICTON) 2005, Barcelona, Spain, 3-7 July 2005, pp. 381-384.


D. Fonseca, A. Cartaxo, P. Monteiro, “Comparison of implementations using the phase shift technique to generate OSSB-NRZ and OSSB-RZ signals”, 7th International Conference on Transparent Optical Networks (ICTON) 2005, Barcelona, Spain, 3-7 July 2005, pp. 197-200.

J. Rebola, A. Cartaxo, “Simplified approach for the assessment of the performance of optical systems with polarisation dependent loss”, 7th International Conference on Transparent Optical Networks (ICTON) 2005, Barcelona, Spain, 3-7 July 2005, pp. 189-192.

R. Luís, A. Teixeira, A. Cartaxo, P. Monteiro, “A short theoretical study on the XPM frequency limitations in NOLM based wavelength converters”, 7th International Conference on Transparent Optical Networks (ICTON) 2005, Barcelona, Spain, 3-7 July 2005, pp. 109-112.

P. Charrua, A. Cartaxo, “On the suitability of some signalling formats for optical single-sideband transmission”, Winter School e-Photon One, Aveiro, Portugal, 23-25 February 2005, pp. C11-C16.

N. Pavlovic, A. Cartaxo, “Optimisation of duobinary coding formats for UDWDM systems”, Winter School e-Photon One, Aveiro, Portugal, 23-25 February 2005, pp. C5-C10.
2004
N. Pavlovic, A. Cartaxo, “Optimized optical filtering for 40 Gb/s/channel enhanced phase-shaped binary transmission in ultra dense WDM systems”, 6th International Conference on Transparent Optical Networks (ICTON) 2004, Wroclaw, Poland, 4-8 July 2004, vol. 1, pp. 221-224.
D. Fonseca, P. Monteiro, A. Cartaxo, “Impact of electrical equalization and modulation depth on single-sideband performance witj linear and non,linear transmission”, IASTED - International Conference on Optical Communication Systems and Networks - OCSN 2004, 8-10 July 2004, Banff, Canada, pp. 870-875.
D. Fonseca, A. Cartaxo, “Dependence of reduced model of SPM-limited dispersion-managed systems on transmission fiber parameters”, IASTED - International Conference on Optical Communication Systems and Networks - OCSN 2004, 8-10 July 2004, Banff, Canada, pp. 866-869.
P. Charrua, A. Cartaxo, “Generation and performance of AMI-RZ and DCS-RZ signals with sideband suppression”, IASTED - International Conference on Optical Communication Systems and Networks - OCSN 2004, 8-10 July 2004, Banff, Canada, pp. 857-860.
M. Leiria, A. Cartaxo, “Performance assessment of transparent optical networks with incoherent homodyne crosstalk and amplified spontaneous emission noise”, IASTED - International Conference on Optical Communication Systems and Networks - OCSN 2004, 8-10 July 2004, Banff, Canada, pp. 851-856.
R. Luís, A. Cartaxo, “Influence of dispersion slope on XPM-induced degradation in dispersion compensated WDM systems”, IASTED - International Conference on Optical Communication Systems and Networks - OCSN 2004, 8-10 July 2004, Banff, Canada, pp. 834-839.
P. Charrua, A. Cartaxo, “Performance of AMI-RZ and DCS-RZ single-sideband signals in an 80% spectral-efficient UDWDM ultra-long-haul transmission system”, IEEE LEOS 2004 Workshop on Advanced Modulation Formats, S. Francisco, U. S. A., 1-2 July 2004, paper FC3, pp. 43-44.
D. Fonseca, P. Monteiro, A. Cartaxo, M. Fujita, “Single sideband demonstration using a four phase-modulators structure”, IEEE LEOS 2004 Workshop on Advanced Modulation Formats, S. Francisco, U. S. A., 1-2  July 2004, paper FC2, pp. 41-42.
2003
J. Rebola, A. Cartaxo, “Validation of the probability density function of the output current of optically preamplified receivers with arbitrary optical filtering through Monte Carlo simulation”, 8th European Conference on Networks and Optical Communications 2003, Eds. H. R. van As and D. W. Faulkner, 2003, pp. 151-158
J. Morgado, A. Cartaxo, “Comparison of laser optimisation for dispersion supported transmission systems at various bit rates”, 8th European Conference on Networks and Optical Communications 2003, Eds. H. R. van As and D. W. Faulkner, 2003, pp. 28-35.
2002
M. Leiria, A. Cartaxo, “Performance optimisation of AWG-based optical add-drop multiplexers for transparent optical networks”, accepted for presentation at First International Conference on Optical Communications and Networks, ICOCN'2002, Singapure, 11-14 November 2002. 
N. Pavlovic, A. Cartaxo, “Impact of transmitter chirp on optimised pre-and post-dispersion compensation schemes for 10 Gbits/s NRZ links”, accepted for presentation at 15th IEEE Lasers and Electro-Optics Society Annual Meeting, LEOS'02, Glasgow, Scotland, 10-14 November 2002.
J. Rebola, A. Cartaxo, “Optimisation of the duty-cycle of RZ signals in optically preamplified receivers with arbitrary optical filtering”, accepted for presentation at 15th IEEE Lasers and Electro-Optics Society Annual Meeting, LEOS'02, Glasgow, Scotland, 10-14 November 2002, paper ThQ5.
P. Sebastião, F. Cercas, A. Cartaxo, “Performance of TCH codes in a land mobile satellite channel”, 13th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications - PIMRC 2002, vol. 4, Lisboa, Portugal, 15-18 September 2002, paper P1, session WAPo-D, pp. 1675-1679.
M. Leiria, A. Cartaxo, “Simple expression to evaluate the margin of transparent optical networks with signal-dependent noise dominance”, 7th European Conference on Networks and Optical Communications 2002, ds. R. Herber and D. W. Faulkner, 2002, pp. 425-432.
J. Rebola, A. Cartaxo, “Impact of the spontaneous-spontaneous beat noise on the sensitivity of optically preamplified receivers with arbitrary optical filtering”, 7th European Conference on Networks and Optical Communications 2002, Eds. R. Herber and D. W. Faulkner, 2002, pp. 257-264.
J. Rebola, A. Cartaxo, “Performance optimisation of fibre Bragg gratings for 40 Gbit/s WDM systems with channel spacing of 100 GHz and 200 GHz”, 7th European Conference on Networks and Optical Communications 2002, Eds. R. Herber and D. W. Faulkner, 2002, pp. 192-199.
2001
J. Morgado, A. Cartaxo, “New semi-analytical method of estimating the influence of laser noise on direct detection system performance”, 2001 Pacific Rim Conference on Lasers and Electro-Optics, Chiba, Japan, 15-19 July 2001, paper P2-48, vol. II, pp. 324-325. 
J. Rebola, A. Cartaxo, “Rigorous assessment of performance degradation caused by optical filter detuning in optically preamplified receivers”, 2001 Pacific Rim Conference on Lasers and Electro-Optics, Chiba, Japan, 15-19 July 2001, paper P2-45, vol. II, pp. 318-319.
J. Rebola, A. Cartaxo, “New Gaussian approximation for performance assessment of optically preamplified receivers with arbitrary optical and electrical filters”, 2001 Pacific Rim Conference on Lasers and Electro-Optics, Chiba, Japan, 15-19 July 2001, paper P2-44, vol. II, pp. 316-317. 
J. Rebola, A. Cartaxo, “Performance of improved fibre grating filters in WDM systems”, in Long-Haul and Access Networks, Optical Metro and WDM - Networks and Optical Communications 2001, Edits. A. Lord, D. W. Faulkner and D. W. Smith, IOS Press Ohmsha, 2001, pp. 463-469.
J. Rebola, A. Cartaxo, “Power penalty estimation in optically preamplified receivers”, in Long-Haul and Access Networks, Optical Metro and WDM - Networks and Optical Communications 2001, Edits. A. Lord, D. W. Faulkner and D. W. Smith, IOS Press Ohmsha, 2001, pp. 317-323.
J. Rebola, A. Cartaxo, “On the quaternary level spacing signalling optimisation for increasing the transmission distance in optical communication systems”, 3ªConferência Nacional de Telecomunicações, Figueira da Foz, Portugal, 23-24 April 2001, pp. 514-518.
J. Morgado, A. Cartaxo, “On the semi-analytical estimation of laser noise influence on direct detection transmission system performance”, 3ªConferência Nacional de Telecomunicações, Figueira da Foz, Portugal, 23-24 April 2001, pp. 364-368.
J. Rebola, A. Cartaxo, “New Gaussian approximation for the performance evaluation of optical receivers with arbitrary optical and electrical filters”, 3ªConferência Nacional de Telecomunicações, Figueira da Foz, Portugal, 23-24 April 2001, pp. 302-306.
D. Fonseca, R. Luís, A. Cartaxo, “Design and performance of AWG multiplexer / demultiplexer in WDM systems”, 3ªConferência Nacional de Telecomunicações, Figueira da Foz, Portugal, 23-24 April 2001, pp. 164-168.
R. Luís, D. Fonseca, A. Cartaxo, “Comparison between DWDM transmission systems over SMF and NZDSF with 25´40Gb/s signals and 50GHz channel spacing”, 3ªConferência Nacional de Telecomunicações, Figueira da Foz, Portugal, 23-24 April 2001, pp. 159-163.
2000
P. Sebastião, F. Cercas, A. Cartaxo, “Efficient simulation performance of TCH codes with 3 states Markov model”, World Multiconference on Systemics, Cybernetics and Informatics, Orlando, Florida, U. S. A., 23-26 July 2000, pp. 256-261.
A. Cartaxo, J. Morgado, “On the steady-state stability of external-cavity semiconductor lasers operating at the strong feedback regime”, in Applications of Photonic Technology 2000 - Photonics North, Quebec, Canadá, Eds. R. A. Lessard and G. A. Lampropoulos, SPIE Press vol. 4087, June 2000, pp. 851-862. 
A. Cartaxo, J. Morgado, “On the assessment of transmission performance of external-cavity semiconductor lasers”, in Applications of Photonic Technology 2000 - Photonics North, Quebec, Canadá, Eds. R. A. Lessard and G. A. Lampropoulos, SPIE Press vol. 4087, June 2000, pp. 840-850. 
J. Morgado, A. Cartaxo, “Influence of relative intensity noise enhancement by fiber nonlinearity on dispersion supported transmission system performance”, in Applications of Photonic Technology 2000 - Photonics North, Quebec, Canada, Eds. R. A. Lessard and G. A. Lampropoulos, SPIE Press vol. 4087, June 2000, pp. 469-480. 
J. Morgado, A. Cartaxo, “Influence of dispersion propagation regime on the dispersion supported transmission performance”, in Applications of Photonic Technology 2000 - Photonics North, Quebec, Canada, Eds. R. A. Lessard and G. A. Lampropoulos, SPIE Press vol. 4087, June 2000, pp. 457-468. 
 J. Rebola, A. Cartaxo, “Optimisation of level spacing in quaternary optical communication systems”, in Applications of Photonic Technology 2000 - Photonics North, Quebec, Canada, Eds. R. A. Lessard and G. A. Lampropoulos, SPIE Press vol. 4087, June 2000, pp. 49-59.
1999
A. Cartaxo, J. Morgado, “On the dynamic stability of external-cavity semiconductor lasers operating at the strong feedback regime”, 12th IEEE Lasers and Electro-Optics Society Annual Meeting, LEOS'99, S. Francisco, U. S. A., 8-11 November 1999, paper ThA6, pp. 667-668.
J. Morgado, A. Cartaxo, “Nonlinear transmission of noise along singlemode fiber at zero-dispersion wavelength”, 12th IEEE Lasers and Electro-Optics Society Annual Meeting, LEOS'99, S. Francisco, U. S. A., 8-11 November 1999, paper WZ1, pp. 607-608.
F. Cercas, A. Cartaxo, P. Sebastião, “Performance of TCH codes with independent and burst errors using efficient simulation techniques”, 50th Vehicular Technology Conference, vol. 5, Amsterdam, Netherlands, 19-22 September 1999, paper 4.8.3., pp. 2536-2540.
A. Cartaxo, J. Morgado, “Accurate simulation of laser diode noise with arbitrary levels of optical feedback”, 1999 Pacific Rim Conference on Lasers and Electro-Optics, vol. III, Seul, South Korea, 30 August - 3 September 1999, paper P2.41, pp. 912-913.
J. Morgado, A. Cartaxo, “Impact of laser and booster noises in repeaterless IM/DD systems with optical post- and pre-amplifiers”, 1999 Pacific Rim Conference on Lasers and Electro-Optics, vol. II, Seul, South Korea, 30 August - 3 September 1999, paper P1.89, pp. 497-498.
A. Cartaxo, J. Nunes, “First results on dispersion supported transmission performance improvement achieved by using transversal filters”, 2ªConferência Nacional de Telecomunicações, Sesimbra, Portugal, 15-16 April 1999, pp. 545-549.
P. Sebastião, F. Cercas, A. Cartaxo, “Desempenho dos códigos TCH para erros independentes e em rajada”, Proc. 4º Encontro Nacional do Colégio de Engenharia Electrotécnica, Lisboa, 27-28 May 1999, pp. 170-177.
P. Sebastião, F. Cercas, A. Cartaxo, “Estimação do desempenho dos códigos TCH em canais com erros em burst”, Proc. XVII Simpósio Brasileiro de Telecomunicações, Espírito Santo, Brasil, 7-10 September 1999, pp. 605-610. 
J. Morgado, A. Cartaxo, “Relative intensity noise induced by fibre dispersion at zero-dispersion wavelength in nonlinear dispersive singlemode fibres”, 2ªConferência Nacional de Telecomunicações, Sesimbra, Portugal, 15-16 April 1999, pp. 540-544.
J. Morgado, A. Cartaxo, “Frequency noise transmission over nonlinear dispersive singlemode fibres at zero-dispersion wavelength”, 2ªConferência Nacional de Telecomunicações, Sesimbra, Portugal, 15-16 April 1999, pp. 535-539.
A. Cartaxo, “Cross-phase modulation in intensity modulation – direct detection WDM systems with multiple fibre spans”, 2ªConferência Nacional de Telecomunicações, Sesimbra, Portugal, 15-16 April 1999, pp. 357-361.
P. Sebastião, F. Cercas, A. Cartaxo, “Performance results for TCH codes using efficient simulation”, 2ªConferência Nacional de Telecomunicações, Sesimbra, Portugal, 15-16 April 1999, pp. 337-341.
J. Morgado, A. Cartaxo, “Influence of fibre nonlinearity on noise transmission in IM/DD repeaterless system with optical post- and pre-amplifiers”, 2ªConferência Nacional de Telecomunicações, Sesimbra, Portugal, 15-16 April 1999, pp. 269-273.
1998
A. Cartaxo, B. Wedding, W. Idler, “New measurement technique of nonlinearity coefficient of optical fibre using fibre transfer function”, 1998 European Conference on Optical Communications (ECOC'98), vol. 1, Madrid, Spain, 20-24 September 1998, pp. 169-170.
A. Cartaxo, J. Morgado, “Relative intensity noise induced by fibre dispersion at zero-dispersion wavelength in singlemode fibres”, European Conf. on Lasers and Electro-Optics / European Quantum Electronics Conference, Glasgow, Scotland, paper CThH99, 14-18 September 1998, pp. 319. 
J. Morgado, A. Cartaxo, “A new measurement technique of optical fiber nonlinearity using the first dip frequency of fiber transfer function”, in Applications of Photonic Technology 3, Edits. G. A. Lampropoulos and R. A. Lessard, SPIE Press vol. 3491, 1998, pp. 812-817.
A. Cartaxo, J. Morgado, “Validation of small-signal analysis for nonlinear dispersive fiber systems with multiple in-line amplifiers using numerical simulation”, in Applications of Photonic Technology 3, Edits. G. A. Lampropoulos and R. A. Lessard, SPIE Press vol. 3491, 1998, pp. 547-552.
A. Cartaxo, J. Morgado, “Relative intensity noise induced by fiber dispersion near zero-dispersion wavelength in linear singlemode fibers”, in Applications of Photonic Technology 3, Edits. G. A. Lampropoulos and R. A. Lessard, SPIE Press vol. 3491, 1998, pp. 521-526.
J. Morgado, A. Cartaxo, “Assessment of laser intensity noise spectrum from rigorous numerical simulation of singlemode laser rate equations”, in Applications of Photonic Technology 3, Edits. G. A. Lampropoulos and R. A. Lessard, SPIE Press vol. 3491, 1998, pp. 157-162.
A. Cartaxo, M. O'Mahony, “Impact of cross-phase modulation on WDM system performance taking the relative delay between channels into account”, in Long-Haul, ATM and Multi-Media Networks - Networks and Optical Communications 1998, Edits. D. W. Faulkner and A. L. Harmer, IOS Press, 1998, pp. 259-266.
P. Goulart, A. Cartaxo, “Increasing the transmission distance of 40 Gbit/s 4-level DST system”, in Long-Haul, ATM and Multi-Media Networks - Networks and Optical Communications 1998, Edits. D. W. Faulkner and A. L. Harmer, IOS Press, 1998, pp. 236-243.
J. Morgado, A. Cartaxo, “Impact of amplifier spacing on RIN enhancement of IM/DD transmission system”, in Long-Haul, ATM and Multi-Media Networks - Networks and Optical Communications 1998, Edits. D. W. Faulkner and A. L. Harmer, IOS Press, 1998, pp. 220-227.
 
Last update on 9 January 2006