Creating and sharing knowledge for telecommunications
... Tiago Manuel Ferreira Alves

Researcher

Tiago Alves

Academic position: Researcher
Joining date: 15-07-2006
Roles in IT: Researcher
Scientific Area: Optical Communications
Group: Optical Networking – Lx

Email: Send Email
Address: IT – Lisboa
Instituto Superior Técnico - Torre Norte - Piso 10
Av. Rovisco Pais, 1
1049 - 001 Lisboa
Tel: +351 21 841 84 54
Fax: +351 21 841 84 72


Scientific Achievements

  • PhD, Instituto Superior Técnico, 01-01-2011
  • Licenciatura, Instituto Superior Técnico, 01-01-2006
  • Fibre optic communication systems
  • Access networks
  • OFDM-based LR-PONs
  • Photonic analogue-to-digital converter
  • Multi-band OFDM systems
  • Space division multiplexing systems
Supervision of theses
Co-Supervision of theses
  • AMEN, Research Grant, Ricardo Outurelo Soeiro, Concluded 03-2018
  • P. E. D. Cruz, T. M. F. Alves, A. Cartaxo, Chapter 8: Performance Evaluation of Optical Noise-Impaired Multi-band OFDM Systems Through Analytical Modeling, Chapter in, Photoptics 2014 - Proceedings of the 2nd International Conference on Photonics, Optics and Laser Technology - Revised Selected Papers, Springer International Publishing, Switzerland, 2016
  • J. Rebola, A. Cartaxo, T. M. F. Alves, A. S. M. Marques, Outage Probability Due to Intercore Crosstalk in Dual-Core Fiber Links With Direct-Detection, IEEE Photonics Technology Letters, Vol. 31, No. 14, pp. 1195 - 1198, July, 2019,
    | Abstract
    | BibTex
  • A. Cartaxo, T. M. F. Alves, Corrections to “Impact of Longitudinal Variation of the Coupling Coefficient Due to Bending and Twisting on Inter-Core Crosstalk in Weakly-Coupled MCFs”, Journal of Lightwave Technology, Vol. 37, No. 14, pp. 3701 - 3703, July, 2019 | BibTex
  • T. M. F. Alves, R. Soeiro, A. Cartaxo, Probability Distribution of Intercore Crosstalk in Weakly Coupled MCFs With Multiple Interferers, IEEE Photonics Technology Letters, Vol. 31, No. 8, pp. 651 - 654, April, 2019 | BibTex
  • T. M. F. Alves, A. Cartaxo, Decorrelation Bandwidth of Intercore Crosstalk in Weakly-Coupled Multicore Fibers with Multiple Interfering Cores, Journal of Lightwave Technology, Vol. -, No. -, pp. 1 - 1, January, 2019 | BibTex
  • R. Soeiro, T. M. F. Alves, A. Cartaxo, Inter-core crosstalk in weakly coupled MCFs with arbitrary core layout and the effect of bending and twisting on the coupling coefficient, Optics Express, Vol. 27, No. 1, pp. 74 - 74, January, 2019 | BibTex
  • R. Soeiro, T. M. F. Alves, A. Cartaxo, Impact of Longitudinal Variation of the Coupling Coefficient Due to Bending and Twisting on Inter-Core Crosstalk in Weakly-Coupled MCFs, Journal of Lightwave Technology, Vol. 36, No. 18, pp. 3898 - 3911, September, 2018 | BibTex
  • T. M. F. Alves, A. Cartaxo, Characterization of the stochastic time evolution of short-term average intercore crosstalk in multicore fibers with multiple interfering cores, Optics Express, Vol. 26, No. 4, pp. 4605 - 4620, February, 2018 | BibTex
  • T. M. F. Alves, A. Cartaxo, Intercore Crosstalk in Homogeneous Multicore Fibers: Theoretical Characterization of Stochastic Time Evolution, Journal of Lightwave Technology, Vol. 35, No. 21, pp. 4613 - 4623, November, 2017 | BibTex
  • T. M. F. Alves, A. Cartaxo, R.S. Luis, B. J. Puttnam, Y. Awaji, N. Wada, Intercore crosstalk in direct-detection homogeneous multicore fiber systems impaired by laser phase noise, Optics Express, Vol. 25, No. 23, pp. 29417 - 29431, November, 2017 | BibTex
  • P. E. D. Cruz, T. M. F. Alves, A. Cartaxo, Virtual carrier-assisted DD-MB-OFDM schemes for UDWDM metro-access networks with improved tolerance to four-wave mixing, Journal of Lightwave Technology, Vol. 35, No. 20, pp. 4468 - 4478, October, 2017,
    | Abstract
    | BibTex
  • R. Soeiro, T. M. F. Alves, A. Cartaxo, Dual polarization discrete changes model of inter-core crosstalk in multi-core fibers, IEEE Photonics Technology Letters, Vol. 29, No. 16, pp. 1395 - 1398, August, 2017 | BibTex
  • R. Soeiro, T. M. F. Alves, A. Cartaxo, Power budget of direct-detection ultra-dense WDM-Nyquist-SCM PON with low-complexity SSBI mitigation, Optical Fiber Technology, Vol. 36, No. -, pp. 255 - 264, July, 2017 | BibTex
  • A. Cartaxo, T. M. F. Alves, Discrete changes model of inter-core crosstalk of real homogeneous multi-core fibers, Journal of Lightwave Technology, Vol. 35, No. 12, pp. 2398 - 2408, June, 2017 | BibTex
  • T. M. F. Alves, R.S. Luis, B. J. Puttnam, A. Cartaxo, Y. Awaji, N. Wada, Performance of adaptive DD-OFDM multicore fiber links and its relation with intercore crosstalk, Optics Express, Vol. 25, No. 13, pp. 16017 - 16027, June, 2017 | BibTex
  • P. E. D. Cruz, T. M. F. Alves, A. Cartaxo, Theoretical analysis of the four-wave mixing effect in virtual carrier-assisted DD MB-OFDM ultra-dense WDM metropolitan networks, Journal of Lightwave Technology, Vol. 34, No. 23, pp. 5401 - 5411, December, 2016,
    | Abstract
    | BibTex
  • T. M. F. Alves, A. Cartaxo, Power Budget of Ultra-Dense Virtual-Carrier-Assisted DD MB-OFDM Next-Generation PON, IEEE Photonics Technology Letters, Vol. 28, No. 13, pp. 1406 - 1409, July, 2016 | BibTex
  • R. O. J. Soeiro, T. M. F. Alves, A. Cartaxo, Inter-Ring Band-Transfer Limited by Laser Wavelength Drift in DD MB-OFDM Metro Networks, Journal of Lightwave Technology, Vol. 34, No. 10, pp. 2473 - 2483, May, 2016 | BibTex
  • T. M. F. Alves, A. Cartaxo, 100 Gb/s DD-MB-OFDM metro network with 11 Gb/s granularity and 2.85 GHz receiver, IEEE Photonics Technology Letters, Vol. 27, No. 24, pp. 2551 - 2554, December, 2015,
    | Abstract
    | BibTex
  • T. M. F. Alves, A. Cartaxo, Virtual-carrier assisted direct-detection MB-OFDM next generation ultra-dense metro networks limited by laser phase noise, Journal of Lightwave Technology, Vol. 33, No. 19, pp. 4093 - 4100, October, 2015,
    | Abstract
    | BibTex
  • T. M. F. Alves, A. Cartaxo, Performance assessment of XPM-limited direct-detection short-reach DSB OFDM optical systems, Journal of Optical Communications and Networking, Vol. 7, No. 8, pp. 736 - 747, August, 2015,
    | Abstract
    | BibTex
  • T. M. F. Alves, L. Mendes, A. Cartaxo, High granularity multiband OFDM virtual carrier-assisted direct-detection metro networks, Journal of Lightwave Technology, Vol. 33, No. 1, pp. 42 - 54, January, 2015 | BibTex
  • M. Morant, T. M. F. Alves, R. Llorente, A. Cartaxo, Broadband impairment compensation in hybrid fiber-wireless OFDM long-reach PONs, Journal of Lightwave Technology, Vol. 32, No. 7, pp. 1387 - 1393, April, 2014 | BibTex
  • P. E. D. Cruz, T. M. F. Alves, A. Cartaxo, Experimental assessment of 10 Gbit/s SSB OFDM IM-DD systems performance employing raised-cosine based symbol precoding, Journal of Lightwave Technology, Vol. 32, No. 8, pp. 1631 - 1638, April, 2014,
    | Abstract
    | BibTex
  • M. Morant, R. Llorente, J. H. Herrera, T. M. F. Alves, A. Cartaxo, M. H. Herman, Integrated FTTH and in-building fiber-coax OFDM field trial, IEEE Photonics Technology Letters, Vol. 26, No. 8, pp. 809 - 812, April, 2014 | BibTex
  • T. M. F. Alves, A. Cartaxo, Analytical characterization of four wave mixing effect in direct-detection double-sideband OFDM optical transmission systems, Optics Express, Vol. 22, No. 7, pp. 8598 - 8616, April, 2014 | BibTex
  • R. Llorente, M. Morant, E. P. Pellicer, M. H. Herman, Z. N. Nagy, T. M. F. Alves, A. Cartaxo, J. H. Herrera, J. C. Correcher, et. al., On-the-field performance of quintuple-play long-reach OFDM-based WDM-PON optical access networks, Optics Express, Vol. 22, No. 6, pp. 6203 - 6209, March, 2014 | BibTex
  • T. M. F. Alves, M. Morant, A. Cartaxo, R. Llorente, P. C. Cluzeaud, R. S. Sambaraju, Real-time ultra-wideband video streaming in long-reach passive optical networks with wireless radiation in the 10 and 60 GHz Bands, Chinese Optics Letters, Vol. 11, No. 10, pp. 1 - 6, October, 2013 | BibTex
  • T. M. F. Alves, M. Morant, A. Cartaxo, R. Llorente, Design of directly modulated long-reach PONs reaching 125 km for provisioning of hybrid wired-wireless quintuple-play service, Journal of Optical Communications and Networking, Vol. 5, No. 8, pp. 848 - 857, August, 2013 | BibTex
  • T. M. F. Alves, A. Cartaxo, Performance comparison of power fading mitigation techniques in multiband OFDM-UWB signals transmission along LR-PONs, Chinese Optics Letters, Vol. 11, No. 8, pp. 080602-1 - 080602-6, August, 2013 | BibTex
  • T. M. F. Alves, R. S. Sambaraju, A. Cartaxo, A. G. Ngoma, OFDM-WDM LR-PON with ultra-bendable fiber for last-mile distribution of quintuple-play service, Chinese Optics Letters, Vol. 11, No. 3, pp. 030606-1 - 030606-6, March, 2013 | BibTex
  • T. M. F. Alves, A. Cartaxo, Transmission of OFDM-UWB radio signals in IM–DD optical fiber communication systems employing optimized dual parallel Mach–Zehnder modulators, Journal of Optical Communications and Networking, Vol. 5, No. 2, pp. 159 - 171, February, 2013 | BibTex
  • T. M. F. Alves, M. Morant, A. Cartaxo, R. Llorente, Transmission of OFDM wired-wireless quintuple-play services along WDM LR-PONs using centralized broadband impairment compensation, Optics Express, Vol. 20, No. 13, pp. 13748 - 13761, June, 2012,
    | Abstract
    | BibTex
  • T. M. F. Alves, A. Cartaxo, Experimental demonstration of 9 double sideband OFDM-UWB sub-bands transmission along long-reach PONs, Microwave and Optical Tech. Letters, Vol. 54, No. 4, pp. 995 - 999, April, 2012,
    | Abstract
    | BibTex
  • T. M. F. Alves, A. Cartaxo, Transmission of multiband OFDM-UWB signals along LR-PONs employing a Mach-Zehnder modulator biased at the quasi-minimum power transmission point, Journal of Lightwave Technology, Vol. 30, No. 11, pp. 1587 - 1594, February, 2012 | BibTex
  • T. M. F. Alves, A. Cartaxo, Distribution of double-sideband OFDM-UWB radio signals in dispersion compensated long-reach PONs, Journal of Lightwave Technology, Vol. 29, No. 16, pp. 2467 - 2474, August, 2011,
    | Abstract
    | BibTex
  • T. M. F. Alves, M. Morant, A. Cartaxo, R. Llorente, Performance comparison of OFDM-UWB radio signals distribution in long-reach PONs using Mach-Zehnder and linearized modulators, IEEE Journal on Selected Areas in Communications, Vol. 29, No. 6, pp. 1311 - 1320, June, 2011,
    | Abstract
    | BibTex
  • A. Cartaxo, T. M. F. Alves, Theoretical and experimental performance evaluation methods for DD-OFDM systems with optical amplification, Journal of Microwaves, Optoelectronics and Electromagnetics Applications, Vol. 10, No. 1, pp. 82 - 94, June, 2011 | BibTex
  • T. M. F. Alves, A. Cartaxo, SNR approach for performance evaluation of time-stretching photonic analogue to digital converter system, Optics Express, Vol. 19, No. 2, pp. 1493 - 1509, January, 2011,
    | Abstract
    | BibTex
  • T. M. F. Alves, A. Cartaxo, Extension of the exhaustive Gaussian approach for BER estimation in experimental direct-detection OFDM setups, Microwave and Optical Tech. Letters, Vol. 52, No. 12, pp. 2772 - 2775, December, 2010,
    | Abstract
    | BibTex
  • T. M. F. Alves, A. Cartaxo, Analysis of methods of performance evaluation of direct-detection OFDM communication systems, Fiber and Integrated Optics, Vol. 29, No. 3, pp. 170 - 186, March, 2010,
    | Abstract
    | BibTex
  • T. M. F. Alves, A. Cartaxo, Semi-analytical approach for performance evaluation of direct-detection OFDM optical communication systems, Optics Express, Vol. 17, No. 21, pp. 18714 - 18729, October, 2009,
    | Abstract
    | BibTex
  • M. Morant, T. M. F. Alves, R. Llorente, A. Cartaxo, J. Marti, Experimental comparison of transmission performance of multi-channel OFDM-UWB signals on FTTH networks, Journal of Lightwave Technology, Vol. 27, No. 10, pp. 1408 - 1414, May, 2009,
    | Abstract
    | BibTex
  • T. M. F. Alves, A. Cartaxo, Performance degradation due to OFDM-UWB radio signals transmission along dispersive single-mode fiber, IEEE Photonics Technology Letters, Vol. 21, No. 3, pp. 158 - 160, February, 2009,
    | Abstract
    | BibTex
  • R. Llorente, T. M. F. Alves, M. Morant, M. Beltran, J. Perez, A. Cartaxo, J. Marti, Ultra wide-band radio signals distribution in FTTH networks, IEEE Photonics Technology Letters, Vol. 20, No. 11, pp. 945 - 947, June, 2008,
    | Abstract
    | BibTex
  • T. M. F. Alves, J. Rebola, A. Cartaxo, Characterization of Crosstalk-Impaired OOK Signals in WC-MCF Systems with High and Low Skew×Bit Rate, European Conference on Optical Communication ECOC, Dublin, Ireland, Vol., pp. -, September, 2019 | BibTex
  • P. E. D. Cruz, T. M. F. Alves, A. Cartaxo, SNR evaluation of WDM photonic ADCs in high-resolution radar systems, International Conf. on Transparent Optical Networks - ICTON, Angers, France, Vol. Th.P.17, pp. 1 - 4, July, 2019,
    | Abstract
    | BibTex
  • J. Rebola, T. M. F. Alves, A. Cartaxo, Assessment of the combined effect of laser phase noise and intercore crosstalk on the outage probability of DD OOK systems, International Conference on Transparent Optical Networks ICTON, Angers, France, Vol., pp. -, July, 2019,
    | Abstract
    | BibTex
  • T. M. F. Alves, J. Rebola, A. Cartaxo, Outage probability due to intercore crosstalk in weakly-coupled MCF systems with OOK signaling, OSA Optical Fiber Communications - OFC, San Diego, United States, Vol., pp. -, March, 2019 | BibTex
  • J. Rebola, T. M. F. Alves, A. Cartaxo, A. S. M. Marques, 5G fronthauls with multicore fibers: CPRI signals performance degradation induced by intercore crosstalk, SPIE Photonics West, San Francisco, United States, Vol., pp. -, February, 2019 | BibTex
  • T. M. F. Alves, R. Soeiro, A. Cartaxo, Statistical Distribution and Correlation Properties of Intercore Crosstalk in Weakly-Coupled MCFs, Asia Pacific Comunication Conf., Hangzhou, China, Vol. -, pp. - - -, October, 2018 | BibTex
  • T. M. F. Alves, A. Cartaxo, Dependence of the Intercore Crosstalk Decorrelation Bandwidth on the Skew in Weakly-Coupled Multicore Fibers with Multiple Interferers, Asia Communications and Photonics Conf. - ACP, Hangzhou, China, Vol. -, pp. - - -, October, 2018 | BibTex
  • T. M. F. Alves, A. Cartaxo, Theoretical characterization of the decorrelation bandwidth of intercore crosstalk in weakly-coupled multicore fibers, European Conference on Optical Communication ECOC, Rome, Italy, Vol. -, pp. - - -, September, 2018 | BibTex
  • P. E. D. Cruz, T. M. F. Alves, A. Cartaxo, Relaxing the ADC sampling rate in high-resolution radar systems through photonic analogue-to-digital conversion, International Conf. on Transparent Optical Networks - ICTON, Bucharest, Romania, Vol. We.P.1, pp. 1 - 4, July, 2018,
    | Abstract
    | BibTex
  • T. M. F. Alves, A. Cartaxo, Experimental and analytical characterization of time variation of ICXT in MCFs with multiple interfering cores, OSA Optical Fiber Communications - OFC, San Diego, United States, Vol. Tu3B.4, pp. 1 - 3, March, 2018 | BibTex
  • R. Soeiro, T. M. F. Alves, A. Cartaxo, On the probability density function of inter-core crosstalk power in birefringent homogeneous multi-core fibers, INSTICC International Conf. on Photonics, Optics and Laser Technology - PHOTOPTICS, Funchal, Portugal, Vol., pp. -, January, 2018 | BibTex
  • T. M. F. Alves, A. Cartaxo, Characterization of ICXT in DD-OFDM MCF-based Systems, European Conference on Optical Communication ECOC, Gothenburg, Sweden, Vol. P2.SC6.29, pp. 1 - 3, September, 2017 | BibTex
  • T. M. F. Alves, A. Cartaxo, B. J. Puttnam, R.S. Luis, Y. Awaji, N. Wada, Adaptive modulation-enabled DD-OFDM multicore fiber transmission impaired by intercore crosstalk, Optoelectronics and Communications Conf. - OECC, singapore, Singapore, Vol. -, pp. 1 - 3, July, 2017 | BibTex
  • T. M. F. Alves, A. Cartaxo, R.S. Luis, B. J. Puttnam, Y. Awaji, N. Wada, Adaptive loading with extended memory to relax the impact of the phase noise-impaired ICXT in DD-OFDM MCF-based systems, International Conf. on Transparent Optical Networks - ICTON, Girona, Spain, Vol. Tu.D1.2, pp. 1 - 5, July, 2017 | BibTex
  • A. Cartaxo, T. M. F. Alves, B. J. Puttnam, R.S. Luis, Y. Awaji, N. Wada, DD-OFDM Multicore Fiber Systems Impaired by Intercore Crosstalk and Laser Phase Noise, International Conf. on Transparent Optical Networks - ICTON, Girona, Spain, Vol., pp. -, July, 2017,
    | Abstract
    | BibTex
  • A. Cartaxo, T. M. F. Alves, Analytical Model of Inter-core Crosstalk of Real Homogeneous Multi-core Fibers, IEEE Photonics Conference, Waikoloa, United States, Vol. --, pp. -- - --, October, 2016 | BibTex
  • T. M. F. Alves, A. Cartaxo, Theoretical modelling of random time nature of inter-core crosstalk in multicore fibers, International Photonics Conference - IPC, Waikoloa, United States, Vol. Wb2.4, pp. 1 - 2, October, 2016 | BibTex
  • J. Galvé, I. Gasulla, S. Sales, T. M. F. Alves, A. Cartaxo, J. C. Capmany, Experimental evaluation of RF crosstalk in multicore fibers for radio over fiber applications, European Conf. on Optical Communications - ECOC, Dusseldorf, Germany, Vol. -, pp. 1 - 3, September, 2016 | BibTex
  • R. O. J. Soeiro, T. M. F. Alves, A. Cartaxo, Impact of optical filter amplitude response on the performance of band-transfer between DD MB-OFDM metro rings, European Conf. on Networks and Optical Communications - NOC, Lisbon, Portugal, Vol. -, pp. 23 - 28, June, 2016 | BibTex
  • E. Gama, I. Fonseca, C. Araújo, R. C. A. Júnior Almeida Júnior, T. M. F. Alves, P. F. Rosário, A. Cartaxo, Uso de aspectos da topologia virtual no problema RWBA em redes ópticas metropolitanas MB-OFDM, Simpósio Brasileiro de Redes de Computadores e Sistemas Distribuídos, Salvador, Brazil, Vol. -, pp. - - -, May, 2016 | BibTex
  • I. Fonseca, E. Gama, C. Oliveira, R. C. A. Júnior Almeida Júnior, T. M. F. Alves, P. F. Rosário, A. Cartaxo, The new problem of routing, wavelength and band assignment in MB-OFDM metropolitan networks, Microwave and Optoelectronics Conference (IMOC) SBMO/IEEE MTT-S International IMOC, Porto de Galinhas, Brazil, Vol. -, pp. 1 - 5, November, 2015 | BibTex
  • R. O. J. Soeiro, T. M. F. Alves, A. Cartaxo, Inter-ring OFDM-band transfer in virtual carrier-assisted direct-detection 42.8 Gbit/s MB-OFDM metro networks, Conf. on Telecommunications - ConfTele, Aveiro, Portugal, Vol. -, pp. - - -, September, 2015 | BibTex
  • A. R. T. Duarte, T. M. F. Alves, A. Cartaxo, 100 Gb/s MB-OFDM metropolitan networks employing SSBI mitigation in presence of fiber PMD effect, Conf. on Telecommunications - ConfTele, Aveiro, Portugal, Vol. -, pp. - - -, September, 2015 | BibTex
  • P. E. D. Cruz, T. M. F. Alves, A. Cartaxo, Loss budget of ultra-dense 10 Gb/s per-user guaranteed direct-detection MB-OFDM metro-access networks, International Conf. on Transparent Optical Networks - ICTON, Budapest, Hungary, Vol. Tu.B1.4, pp. 1 - 4, July, 2015,
    | Abstract
    | BibTex
  • P. E. D. Cruz, T. M. F. Alves, A. Cartaxo, Impact of inter-band crosstalk due to nonlinear fibre transmission on the performance of direct-detection single-sideband MB-OFDM metro networks, International Conf. on Transparent Optical Networks - ICTON, Budapest, Hungary, Vol. Tu.B1.3, pp. 1 - 4, July, 2015,
    | Abstract
    | BibTex
  • T. M. F. Alves, A. Cartaxo, Phase-to-intensity laser noise conversion due to band drop in DD-MB-OFDM networks employing virtual carriers, International Conf. on Transparent Optical Networks - ICTON, Budapest, Hungary, Vol. Tu.C2.3, pp. - - -, July, 2015 | BibTex
  • P. F. Rosário, T. M. F. Alves, A. Cartaxo, ROADM cascade performance in DD multi-band OFDM metro networks employing virtual carriers, IEEE Photonics Conf. - IPC, San Diego, United States, Vol. 1, pp. 1 - 2, October, 2014 | BibTex
  • P. E. D. Cruz, P. F. Rosário, T. M. F. Alves, A. Cartaxo, Exhaustive Gaussian approach for performance evaluation of direct-detection OFDM systems employing square and cross QAM, IEEE International Telecommunications Symp., São Paulo, Brazil, Vol. -, pp. 1 - 4, August, 2014,
    | Abstract
    | BibTex
  • P. F. Rosário, T. M. F. Alves, A. Cartaxo, Impact of WSS delay distortion on the ROADM cascade performance in virtual carrier-assisted DD multi-band OFDM metro networks, International Telecommunications Symp., São Paulo, Brazil, Vol. 1, pp. 1 - 5, August, 2014 | BibTex
  • P. E. D. Cruz, T. M. F. Alves, A. Cartaxo, Analytical modelling for performance evaluation of distortion-impaired direct-detection single-sideband optical OFDM systems employing virtual-carriers, International Conf. on Transparent Optical Networks - ICTON, Graz, Austria, Vol. We.A1.6, pp. 919 - 922, July, 2014,
    | Abstract
    | BibTex
  • T. M. F. Alves, A. Cartaxo, Capacity of hybrid wired-wireless OFDM LR-PONs limited by cross-phase modulation, International Conf. on Transparent Optical Networks - ICTON, Graz, Austria, Vol. -, pp. 1 - 4, July, 2014 | BibTex
  • L. Mendes, P. E. D. Cruz, T. M. F. Alves, A. Cartaxo, Impact of the band selector detuning on DD multi-band OFDM virtual-carrier assisted metro network performance, International Conf. on Transparent Optical Networks - ICTON, Graz, Austria, Vol. Tu.A3.4, pp. 349 - 352, July, 2014,
    | Abstract
    | BibTex
  • A. Cartaxo, T. M. F. Alves, L. Mendes, 42.8 Gb/s SSB DD MB-OFDM metro networks assisted by virtual carriers: system parameters optimization, International Conf. on Transparent Optical Networks - ICTON, Graz, Austria, Vol., pp. 1 - 4, July, 2014 | BibTex
  • T. M. F. Alves, A. Alberto Alberto, A. Cartaxo, Direct-detection multi-band OFDM metro networks employing virtual carriers and low receiver bandwidth, OSA Optical Fiber Communications - OFC, San Francisco, United States, Vol. -, pp. - - -, March, 2014 | BibTex
  • P. E. D. Cruz, T. M. F. Alves, A. Cartaxo, Analytical modeling for performance evaluation of ASE noise-impaired direct-detection single-sideband multi-band optical OFDM systems, INSTICC International Conf. on Photonics, Optics and Laser Technology - PHOTOPTICS, Lisbon, Portugal, Vol. 1, pp. 134 - 141, January, 2014,
    | Abstract
    | BibTex
  • R. Llorente, M. Morant, E. P. Pellicer, M. H. Herman, Z. N. Nagy, T. M. F. Alves, et. al., On-the-field demonstration of quintuple-play service provision in long-reach OFDM-based WDM-PON access networks, European Conf. on Optical Communications - ECOC, London, United Kingdom, Vol. We.4.F.1, pp. - - -, September, 2013 | BibTex
  • P. E. D. Cruz, T. M. F. Alves, F. Carvalho, A. Cartaxo, Assessment of performance improvement of DD-OFDM systems achieved by symbol precoding, IEEE Photonics Conf. - IPC, Bellevue, United States, Vol. MG1.3, pp. 119 - 120, September, 2013,
    | Abstract
    | BibTex
  • P. E. D. Cruz, T. M. F. Alves, A. Cartaxo, Experimental demonstration of PAPR reduction in 10 Gbit/s SSB-OFDM direct-detection systems through symbol precoding, International Microwave and Optoelectronics Conf. - IMOC, Rio de Janeiro, Brazil, Vol. 1, pp. 1 - 5, August, 2013,
    | Abstract
    | BibTex
  • T. M. F. Alves, A. Cartaxo, Experimental distribution of OFDM-UWB radio signals along directly modulated long-reach PONs indicated for sparse geographical areas, ICETE International Conf. on Optical Communication Systems - OPTICS, Reykjavik, Iceland, Vol. -, pp. - - -, July, 2013 | BibTex
  • R. Llorente, M. Morant, E. P. Pellicer, M. H. Herman, Z. N. Nagy, J. H. Herrera, J. C. Correcher, T. M. F. Alves, A. Cartaxo, et. al., Radio-over-fiber quintuple-play service provision for deep fiber-to-the-home passive networks, IEEE International Conference on Communications - ICC, Budapest, Hungary, Vol. -, pp. - - -, June, 2013 | BibTex
  • T. M. F. Alves, A. Cartaxo, Experimental assessment of the performance of bidirectional OFDM-based wireless-wired services in next-generation LR-PONs, International Conf. on Transparent Optical Networks - ICTON, Cartagena, Spain, Vol. -, pp. - - -, June, 2013 | BibTex
  • T. M. F. Alves, M. Morant, A. Cartaxo, R. Llorente, Wired-wireless services provision in FSAN NG-PON2 compliant long-reach PONs: performance analysis, OSA Optical Fiber Communications - OFC, Anaheim, United States, Vol. -, pp. - - -, March, 2013 | BibTex
  • R. Llorente, M. Morant, F. M. Martinez, T. M. F. Alves, A. Cartaxo, T. Q Quinlan, S. Walker, C.Rodrigues Rodrigues, J. H. Herrera, et. al., Impairment compensation in long-reach integrated optical-wireless PON, Future Network and Mobile Summit, Berlin, Germany, Vol. 1, pp. 1 - 9, July, 2012,
    | Abstract
    | BibTex
  • A. Cartaxo, T. M. F. Alves, F. Carvalho, J. Morgado, Linearization techniques of electro-optical converters for multi-format OFDM-based PONs, International Conf. on Transparent Optical Networks - ICTON, Coventry, United Kingdom, Vol., pp. 1 - 4, July, 2012 | BibTex
  • T. M. F. Alves, M. Morant, A. Cartaxo, R. Llorente, Wired-wireless OFDM signals coexistence in LR-PONs using two centralized compensation stages, OSA Access Networks and In-house Communications (OSA Topical Meeting) - ANIC, Colorado Springs, United States, Vol. AW4A.5, pp. 1 - 2, June, 2012,
    | Abstract
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  • T. M. F. Alves, J. Morgado, A. Cartaxo, Linearity improvement of directly modulated PONs by digital pre-distortion of coexisting OFDM-based signals, OSA Access Networks and In-house Communications (OSA Topical Meeting) - ANIC, Colorado Springs, United States, Vol. AW4A.3, pp. 1 - 2, June, 2012,
    | Abstract
    | BibTex
  • N. Costa, T. M. F. Alves, D. Fonseca, A. Cartaxo, General memory polynomial for transmission impairments mitigation in coherent communication systems, OSA Signal Processing in Photonic Communications - SPPCom, Colorado Springs, United States, Vol. -, pp. - - -, June, 2012,
    | Abstract
    | BibTex
  • M. Morant, T. M. F. Alves, A. Cartaxo, R. Llorente, Transmission impairment compensation using broadband channel sounding in multi-format OFDM-based long-reach PONs, OSA Optical Fiber Communications - OFC, Los Angeles, United States, Vol. 1, pp. 1 - 3, March, 2012,
    | Abstract
    | BibTex
  • T. M. F. Alves, A. Cartaxo, Dependence of the transmission performance of multi-Band OFDM-UWB signals in LR-PONs on the modulator bias and driving voltages, International Microwave and Optoelectronics Conf. - IMOC, Natal, Brazil, Vol. -, pp. 814 - 818, October, 2011 | BibTex
  • T. M. F. Alves, A. Cartaxo, Photonic analogue-to-digital converted based on wavelength division multiplexing technique, ICETE International Conf. on Optical Communication Systems - OPTICS, Sevilha, Spain, Vol. 1, pp. 1 - 10, July, 2011,
    | Abstract
    | BibTex
  • A. Cartaxo, J. Morgado, T. M. F. Alves, F. Carvalho, D. Fonseca, J. Rebola, A view on optical-wireless converged NG-FTTH networks, Annual Workshop on Photonic Technologies for Access and Biophotonics, Stanford, United States, Vol., pp. - - -, January, 2011 | BibTex
  • J. Morgado, A. Cartaxo, D. Fonseca, T. M. F. Alves, Pre-emphasis performance improvement of OFDM-UWB signals transmitted over FTTH networks using directly modulated lasers, IEEE Photonics Global Conference Nanyang Technological University, Singapore, Singapore, Vol. ---, pp. 1 - 5, December, 2010 | BibTex
  • A. Cartaxo, T. M. F. Alves, Theoretical and experimental performance evalutation methods for DD-OFDM systems with optical amplification, Simpósio Brasileiro de Microondas e Optoelectrónica, Vila Velha, Brazil, Vol. 1, pp. 702 - 708, August, 2010 | BibTex
  • T. M. F. Alves, A. Cartaxo, On the BER estimation of experimental direct detection OFDM systems, ICETE International Conf. on Optical Communication Systems - OPTICS, Athens, Greece, Vol. 1, pp. 1 - 5, July, 2010,
    | Abstract
    | BibTex
  • R. Llorente, M. Castro, J.P. Puche, J. Romme, T. M. F. Alves, Sensing ultra-low-power radio signals by photonic analog-to-digital conversion, European Conf. on Optical Communications - ECOC, Viena, Austria, Vol. -, pp. 1 - 2, September, 2009,
    | Abstract
    | BibTex
  • T. M. F. Alves, A. Cartaxo, BPSK vs. QPSK comparison in OFDM-UWB signal distribution over FTTH networks, Summer Topical Meetings - LEOS, Newport, United States, Vol. -, pp. 51 - 52, July, 2009,
    | Abstract
    | BibTex
  • A. Cartaxo, T. M. F. Alves, Performance evaluation methods of direct-detection OFDM systems, International Conf. on Transparent Networks – ICTON, Ponta Delgada, Portugal, Vol. -, pp. - - -, June, 2009,
    | Abstract
    | BibTex
  • R. Llorente, M. Morant, T. M. F. Alves, J.P. Puche, J. Romme, Cognitive radio by photonic analog-to-digital conversion sensing, IEEE International Workshop on Cross-Layer Design - IWCLD, Palma Mallorca, Spain, Vol. -, pp. 1 - 4, June, 2009,
    | Abstract
    | BibTex
  • T. M. F. Alves, A. Cartaxo, Impact of the dispersion-induced power fading on the fiber transmission performance of OFDM-UWB radio signals, Asia Pacific Microwave Conf. - APMC, Hong Kong/Macau, China, Vol. -, pp. 1 - 4, December, 2008 | BibTex
  • M. Morant, T. M. F. Alves, R. Llorente, M. Beltran, J. Perez, A. Cartaxo, J. Marti, Impact of pilot tone-assisted equalization in Wimedia-defined OFDM-UWB signals transmission in FTTH networks, IEEE International Topical Meeting on Microwave Photonics, Gold Cost, Australia, Vol. -, pp. 217 - 220, October, 2008 | BibTex
  • T. M. F. Alves, M. Morant, R. Llorente, A. Cartaxo, J. Marti, Experimental demonstration of 1.56 Gbit/s OFDM-UWB distribution over 100 km of standard-fibre in FTTH networks, Optoelectronics and Communications Conf. - OECC, Sydney, Australia, Vol. -, pp. 1 - 2, July, 2008 | BibTex
  • T. M. F. Alves, A. Cartaxo, Aliasing and inter-channel interference impact on the performance of multi-channel OFDM-UWB distribution in FTTH networks, International Conf. on Transparent Networks – ICTON, Athens, Greece, Vol. 4, pp. 86 - 89, June, 2008 | BibTex
  • R. Llorente, T. M. F. Alves, M. Morant, M. Beltran, J. Perez, A. Cartaxo, J. Marti, Optical distribution of OFDM and impulse-radio UWB in FTTH networks, OSA Optical Fiber Communications - OFC, California, United States, Vol. -, pp. 1 - 3, February, 2008 | BibTex
  • T. M. F. Alves, A. Cartaxo, Dispersion map design for XPM suppression in NRZ 10 Gbit/s pre-compensated WDM links using standard-fibre and 50 GHz of channel spacing, International Microwave and Optoelectronics Conf. - IMOC, Salvador, Brazil, Vol. 1, pp. 648 - 652, October, 2007 | BibTex
  • T. M. F. Alves, N. Costa, A. Cartaxo, Dependence of XPM degradation on the dispersion map for 10 Gbit/s WDM links over standard-fibre employing duobinary format, International Conf. on Transparent Networks – ICTON, Rome, Italy, Vol. Tu.A1.1, pp. 79 - 82, July, 2007 | BibTex
  • N. Costa, T. M. F. Alves, A. Cartaxo, 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, International Conf. on Transparent Networks – ICTON, Rome, Italy, Vol. Tu.C1.6, pp. 151 - 154, July, 2007 | BibTex
  • T. M. F. Alves, A. Cartaxo, Impact of the dispersion compensating fibre nonlinearity on the optimum dispersion map due to XPM in 10 Gbit/s WDM links, Conf. on Telecommunications - ConfTele, Peniche, Portugal, Vol. 1, pp. 581 - 584, May, 2007 | BibTex
  • T. M. F. Alves, N. Costa, A. Cartaxo, Influence of DCM nonlinearity on the XPM degradation in 10 Gbit/s dispersion managed NRZ-IM-DD links, IASTED International Conf. on Wireless and Optical Communications - WOC, Montreal, Canada, Vol. 1, pp. 221 - 224, May, 2007 | BibTex
  • N. Costa, T. M. F. Alves, A. Cartaxo, Dispersion map optimization for XPM-limited 10 Gbit/s NRZ-IM-DD WDM links, IASTED International Conf. on Wireless and Optical Communications - WOC, Montréal, Canada, Vol. 1, pp. 274 - 279, May, 2007 | BibTex
  • A. Guardado, S. Santos, N. Costa, T. M. F. Alves, A. Cartaxo, A software tool for designing wavelength division multiplexed links, Conf. on Telecommunications - ConfTele, Peniche, Portugal, Vol. 1, pp. 497 - 500, May, 2007 | BibTex

Currently running projects2

Acronym Name Funding Agency Start date Ending date
MCNET Multicore Fibre-based Next Generation Access Networks with Disruptive Capacity Provisioning FCT 01-01-2017 01-12-2020
RETIOT Utilização de Tecnologias de Reflectometría no melhoramento do futuro Internet das Coisas e Sistemas Ciber-Físicos P2020 09-01-2017 08-01-2020

Closed Projects6

Acronym Name Funding Agency Start date Ending date
AMEN Analysis and Mitigation of crosstalk Effects in multicore fibre -based Networks FCT 01-04-2016 01-12-2018
FIVER Fully-Converged Quintuple-Play Integrated Optical-Wireless Access Architectures EU/FP7 01-01-2010 01-12-2012
MORFEUS Metro Networks Based on Multi-Band Orthogonal Frequency-Division Multiplexing Signals FCT/PTDC 01-04-2013 01-09-2015
PORTO Planeamento e Optimização de Redes Ópticas Elásticas Baseadas na Tecnologia O-OFDM FCT 01-04-2013 01-03-2015
TURBO Transmission of UltRa wide-Band radio signals over Optical fibre FCT/PTDC 01-12-2009 01-12-2012
UCELLS Ultra-wide band real-time interference monitoring and CELLular management Strategies EU/FP7 01-01-2008 01-12-2010
  • T. M. F. Alves, How to reach 100 Gb/s per user in access networks using multi-band OFDM and multicore fibres, Invited Talks, Jovens PhD (Department of Electrical and Computer Engineering - IST), 01-01-2018
  • T. M. F. Alves, A. Cartaxo, R.S. Luis, B. J. Puttnam, Y. Awaji, N. Wada, Adaptive loading with extended memory to relax the impact of the phase noise-impaired ICXT in DD-OFDM MCF-based systems, Invited Talks, ICTON 2017, 01-07-2017
  • T. M. F. Alves, A. Cartaxo, Phase-to-intensity laser noise conversion due to band drop in DD-MB-OFDM networks employing virtual carriers, Invited Talks, ICTON 2015, 01-07-2015
  • T. M. F. Alves, A. Cartaxo, Experimental assessment of the performance of bidirectional OFDM-based wireless-wired services in next-generation LR-PONs, Invited Talks, ICTON 2013, 01-07-2013
  • ICETE International Conf. on Optical Communication Systems - OPTICS, Technical Programme Committee, 2015
  • ICETE International Conf. on Optical Communication Systems - OPTICS, Technical Programme Committee, 2014
  • IEEE International Conf. on Telecommunications, Technical Programme Committee, 2014
  • ICETE International Conf. on Optical Communication Systems - OPTICS, Technical Programme Committee, 2013
  • Mosharaka International Conf. on Wireless Communications and Mobile Computing - M-WCMC, Technical Programme Committee, 2013
  • IEEE Photonics Technology Letters
    2016, 1 review(s); 2013, 1 review(s);
  • IET Optoelectronics
    2016, 1 review(s); 2015, 1 review(s); 2009, 1 review(s);
  • Applied Optics
    2016, 1 review(s);
  • Optics Express
    2017, 3 review(s); 2016, 1 review(s); 2015, 1 review(s); 2013, 1 review(s);
  • Journal of Lightwave Technology
    2016, 1 review(s); 2010, 1 review(s);
  • Chinese Optics Letters
    2017, 1 review(s); 2015, 1 review(s); 2013, 2 review(s); 2012, 1 review(s);
  • Journal of Electromagnetic Waves and Applications
    2009, 1 review(s);
  • Optics Letters
    2013, 1 review(s); 2012, 1 review(s);
  • Optical and Quantum Electronics
    2013, 1 review(s); 2012, 1 review(s);
  • IEEE Transactions on Circuits and Systems I: Regular Papers
    2013, 1 review(s);
  • Wireless Personal Communications
    2014, 1 review(s);
  • IEEE International Conference on Communications - ICC
    2009, 1 review(s);

  • 2013, 1 review(s); 2010, 1 review(s);
  • Simpósio Brasileiro de Telecomunicações SBrT
    2013, 1 review(s); 2012, 1 review(s);
  • IEEE International Conf. on Telecommunications
    2014, 1 review(s);
  • IEEE International Telecommunications Symp.
    2014, 1 review(s);
  • ICETE International Conf. on Optical Communication Systems - OPTICS
    2017, 1 review(s); 2015, 1 review(s);
  • International Microwave and Optoelectronics Conf. - IMOC
    2015, 1 review(s);
  • Conf. on Telecommunications - ConfTele
    2015, 1 review(s);
  • European Conference on Network and Optical Communications (NOC)
    2016, 1 review(s);
  • International Conf. on Optical Communications Systems - OPTICS
    2016, 1 review(s);