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
Co-Supervision of theses
  • 10 Gb/s per user ultra-dense MB-OFDM metro-access networks employing an off-the-shelf SSB generator, MSc Student, Daniel dos Santos Silvestre, 09-2016
  • 100 Gb/s SSB MB-OFDM metropolitan networks employing memory polynomials for SSBI mitigation, MSc Student, Gonçalo Azevedo Martinho, 05-2016
  • Cancellation of the signal-signal beat interference in MB-OFDM metropolitan networks employing an electro-absorption modulator, MSc Student, Cátia Rafaela Caetano Pereira, 03-2016
  • Adaptive bit loading in SSB MB-OFDM metropolitan networks, MSc Student, Marcos Henrique Semedo Esteves Caldeira, 11-2015
  • Performance limitations of 40 Gb/s SSB MB-OFDM metropolitan networks induced by phase-to-intensity conversion of laser phase noise, MSc Student, Miguel Sousa Pereira, 11-2015
  • Design of DD SSB MB-OFDM metro-access network tolerant to Rayleigh backscattering, MSc Student, Henrique Proença Ferreira, 10-2015
  • Inter-ring OFDM-band transfer limited by the crosstalk induced by laser's wavelength drift, MSc Student, Ricardo Soeiro, 06-2015
  • 100 Gb/s MB-OFDM metropolitan networks employing digital SSBI mitigation in presence of fibre PMD effect, MSc Student, Artur R. T. Duarte, 05-2015
  • Experimental demonstration of 10 Gbit/s fibre-to-the-home network downstream transmission employing an electro-absorption modulator, MSc Student, Jorge Eduardo Ribeiro da Costa Lima, 05-2015
  • Impact of crosstalk induced by finite isolation of optical switches on MB-OFDM metropolitan networks performance, MSc Student, Pompeu Areias Vale Santos, 05-2015
  • Limitations of inter-ring OFDM-band transfer imposed by laser phase noise, MSc Student, Sofia Madalena de Figueiredo Rodrigues, 05-2015
  • Optimization of the degradation induced by the combined nonlinearity of Sieben's architecture and PIN in SSB MB-OFDM metropolitan networks , MSc Student, Luca Callegher, 04-2015
  • MB-OFDM metropolitan networks with concatenation of optical add-drop multiplexers, MSc Student, João Pedro Frazão Rosário, 11-2014
  • Optimization of the degradation induced by the MZM and PIN nonlinear effects in MB-OFDM metropolitan networks, MSc Student, Luis Miguel Mendes, 04-2014
  • MB-OFDM metropolitan networks employing electro-absorption modulators, MSc Student, André A. P. Alberto, 11-2013
  • AMEN, Research Grant, Ricardo Outurelo Soeiro, 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
  • T. M. F. Alves, A. Cartaxo, Decorrelation Bandwidth of Intercore Crosstalk in Weakly-Coupled Multicore Fibers with Multiple Interfering Cores, IEEE/OSA 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 effect of bending and twisting on the coupling coefficient, Optics Express, Vol. -, No. -, pp. - - -, 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, IEEE/OSA 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, IEEE/OSA 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, IEEE/OSA 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, IEEE/OSA 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, IEEE/OSA 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, IEEE/OSA 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, IEEE/OSA 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, IEEE/OSA 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, IEEE/OSA 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, IEEE/OSA 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, IEEE/OSA 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, IEEE/OSA 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, IEEE/OSA 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 Electromagnetic 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, IEEE/OSA 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, 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), 2015 SBMO/IEEE MTT-S International IMOC2015, 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 projects1

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

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);
  • IEEE/OSA 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 Trans. on Circuits and Systems I
    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 das Telecomunicações
    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);
  • 10th Conference on Telecommunications CONFTELE 2015
    2015, 1 review(s);
  • 21st European Conference on Network and Optical Communications (NOC), 2016, Lisbon, Portugal, S5.4
    2016, 1 review(s);
  • International Conf. on Optical Communications Systems - OPTICS
    2016, 1 review(s);