Luís Gonçalo Lecoq Vences e Costa Cancela

Luís Cancela

Academic position:	Assistant Professor
Joining date:	01-01-1999
Roles in IT:
Thematic Line:	Optics and Photonics
Group:	Optical Communication Systems and 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

https://www.orcid.org/0000-0001-7259-0124

Scientific Achievements

Degrees

PhD, ISCTE - Instituto Universitário de Lisboa, 11-12-2008
MSc, Instituto Superior Técnico, 24-04-1998
Licenciatura, Instituto Superior Técnico, 01-01-1993

Affiliations

Ordem dos Engenheiros, 01-01-2009, Member
ISCTE - IUL, 01-01-1999, Assistant Professor
Optical Society of America (OSA), 01-01-1999, Member

Expertise Topics

Optical crosstalk
Optical networks

Academic Activities

2Lecture courses

Redes Ópticas, ISCTE - Instituto Universitário de Lisboa, Mestrado em Engenharia de Telecomunicações e Informática
Fundamentos de Redes de Computadores, ISCTE - Instituto Universitário de Lisboa, Lic. Engenharia de Telecomunicações e Informática

16Supervision of MSc theses

As Supervisor

Planning tool for multi-band dynamic optical networks, MSc Student, Rodrigo Francisco Guerreiro, Expected conclusion 12-2024
Cost-effective ROADM architectures for SDM optical networks, MSc Student, André Filipe Aldeinhas Ribeiro, Expected conclusion 10-2024
ROADM architectures for multi-band optical networks, MSc Student, João Frederico de Almeida Raposo do O’Ramos, Concluded 12-2023
Exploring ILP and heuristic formulations for planning multiband optical networks, MSc Student, Margarida Isabel Carreto Vaz, Concluded 12-2022
Impact of physical layer impairments on multi-band networks based on ROADM nodes, MSc Student, Filipa Ferreira Gomes, Concluded 10-2021
Exploring optimal solutions for planning optical networks with graph coloring techniques , MSc Student, Inês Ferreira Gomes, Concluded 10-2021
Impact of physical layer impairments on SDM networks based on ROADM nodes, MSc Student, Marco Quiteres da Silva, Concluded 10-2021
Graph coloring techniques for planning dynamic optical networks, MSc Student, Pedro Afonso Fernandes Fonseca, Concluded 10-2021
Impact of physical layer impairments on large ROADM architectures, MSc Student, Diogo Miguel Cigarro Morão, Concluded 12-2020
Exploring Graph Coloring Heuristics for Optical Networks Planning, MSc Student, Inês Duarte, Concluded 12-2020
Optical Network Planning for Dynamic Applications, MSc Student, Carlos Jorge da Cruz Rodrigues, Concluded 11-2018
Impact of in-band crosstalk on colorless, directionless, contentionless (CDC) ROADM-based flexible grid optical networks, MSc Student, Diogo Gonçalo Sequeira, Concluded 11-2017
Monte-Carlo simulation of an optical DQPSK system impaired by crosstalk, MSc Student, Genádio Martins, Concluded 06-2012

As Co-supervisor

Gaussian noise model for multiband optical networks over the C and L bands, MSc Student, Pedro Daniel Santo Venda, Concluded 12-2021
Super-channel transmission over flexible-grid optical networks, MSc Student, Paulo José da Costa Marinho Pereira, Concluded 12-2019
Impact of in-band crosstalk on the performance of optical coherent detection communication systems, MSc Student, Bruno Rafael Pereira Pinheiro, Concluded 03-2015

Publications

2Books Chapters

J. Rebola, L. Cancela, J. J. O. Pires, DQPSK Optical Networks Impaired by Multi Line Rates and Mixed Modulation Formats Interferers, Chapter in, Photooptics 2014, Springer International Publishing, Cham, 2016
J. J. O. Pires, L. Cancela, Crosstalk effects in large stricly non-blocking optical switches based on directional couplers, Chapter in, High-Speed Networsk and Multimedia Communications, Mário Narques Freire, Pascoal Lorenz e Mike Myung-OK Lee, Springer, 2003

13Papers in Journals

J. O’Ramos, L. Cancela, J. Rebola, Impact of the reconfigurable optical add-drop multiplexer architecture on the design of multi-band C+L+S optical networks, Optical Fiber Technology, Vol. 85, No. 0, pp. 103815 - 103815, July, 2024,
| Abstract | Full text (PDF 2 MBs) | BibTex
P. Venda, J. Rebola, L. Cancela, Assessing the quality of transmission of lightpaths in multiband C+L networks through Gaussian noise models, Optical Fiber Technology, Vol. 74, No. 12, pp. 103077 - 103077, December, 2022,
| Abstract | BibTex
D. G. Sequeira, L. Cancela, J. Rebola, CDC ROADM design tradeoffs due to physical layer impairments in optical networks, Optical Fiber Technology, Vol. 62, No. 102461, pp. 1 - 11, March, 2021 | Full text (PDF 2 MBs) | BibTex
P. Chentsho, L. Cancela, J. J. O. Pires, A framework for analyzing in-band crosstalk accumulation in ROADM-based optical networks, Optical Fiber Technology, Vol. 57, No. -, pp. 102238 - 102238, July, 2020,
| Abstract | BibTex
L. Cancela, J. J. O. Pires, Applying the skew-normal distribution to model coherent MPI and to evaluate its impact on PAM signals, Optical Fiber Technology, Vol. 56, No. -, pp. 102180 - 102180, May, 2020,
| Abstract | BibTex
L. Cancela, J. Rebola, J. J. O. Pires, Implications of in-band crosstalk on DQPSK signals in ROADM-based metropolitan optical networks, Optical Switching and Networking, Vol. 19, No. part 3, pp. 135 - 144, January, 2016,
| Abstract | BibTex
L. Cancela, J. J. O. Pires, On the Behaviour of Eigenfunctions and Eigenvectors in the Performance Analysis of Optical Direct Detection DPSK Receivers with Optical Amplification, Journal of Optical Communications, Vol. 34, No. 3, pp. 145 - 154, September, 2013,
| Abstract | BibTex
L. Cancela, J. J. O. Pires, Crosstalk Tolerance of Direct Detection DPSK Optical Systems in Presence of Receiver Imperfections, IET Optoelectronics, Vol. 6, No. 2, pp. 94 - 101, April, 2012,
| Abstract | BibTex
J. J. O. Pires, L. Cancela, Theoretical insights into the impact of coherent and incoherent crosstalk on optical DPSK signals, Journal of Lightwave Technology, Vol. 28, No. 19, pp. 2766 - 2774, October, 2010,
| Abstract | BibTex
J. J. O. Pires, L. Cancela, Estimating the performance of direct-detection DPSK in optical networking environments using eigenfunction expansion techniques, Journal of Lightwave Technology, Vol. 28, No. 13, pp. 1994 - 2003, July, 2010,
| Abstract | BibTex
J. J. O. Pires, L. Cancela, A contribution to study the effect of multipath coherent crosstalk due to optical network nodes on DPSK signals, IEEE Photonics Technology Letters, Vol. 21, No. 20, pp. 1499 - 1501, October, 2009 | BibTex
J. J. O. Pires, L. Cancela, Simplifying the Error Probability Analysis in Optical Direct Detection DPSK Systems, IEEE Communications Letters, Vol. 13, No. 6, pp. 369 - 371, June, 2009 | BibTex
J. J. O. Pires, L. Cancela, On the probability density function of an optical DPSK signal in the presence of intrachannel crosstalk and ASE noise, Journal of Optical Communications, Vol. 28, No. 3/2007, pp. 229 - 233, October, 2007 | BibTex

38Papers in Conferences

L. Cancela, J. J. O. Pires, MPI Impact in C+L+S Multiband Transmission Reach, OSA Advanced Photonics Congress, Québec, Canada, Vol., pp. -, July, 2024,
| Abstract | Full text (PDF 232 KBs) | BibTex
M. Vaz, L. Cancela, J. Rebola, Impact of Network Physical Topology on Planning Multiband Optical Networks Aware of Physical Layer Impairments, International Conf. on Transparent Networks – ICTON, Bucareste, Romania, Vol., pp. -, July, 2023 | Full text (PDF 288 KBs) | BibTex
J. O’Ramos, L. Cancela, J. Rebola, Influence of the ROADM architecture on the cost-per-bit in C+L+S multi-band optical networks, International Conf. on Transparent Networks – ICTON, Bucareste, Romania, Vol., pp. -, July, 2023 | Full text (PDF 1 MB) | BibTex
P. Venda, J. Rebola, L. Cancela, Impact of Traffic Load and Spectral Occupancy on Gaussian Noise Models Performance for Multiband Networks, 13th IEEE/IET International Symposium on Communication Systems, Networks and Digital Signal Processing CSNDSP, Oporto, Portugal, July, 2022,
| Abstract | BibTex
P. Fonseca, L. Cancela, J. Rebola, Performance Analysis of a Graph Coloring Algorithm for Wavelength Assignment in Dynamic Optical Networks, 13th IEEE/IET International Symposium on Communication Systems, Networks and Digital Signal Processing CSNDSP, Oporto, Portugal, July, 2022,
| Abstract | Full text (PDF 1 MB) | BibTex
M. Silva, L. Cancela, J. Rebola, Cost, power consumption and performance analysis in SDM ROADM architectures for uncoupled spatial channels, 13th IEEE/IET International Symposium on Communication Systems, Networks and Digital Signal Processing CSNDSP, Oporto, Portugal, July, 2022,
| Abstract | Full text (PDF 527 KBs) | BibTex
I. Gomes, L. Cancela, J. Rebola, Exploring the Tabu Search Algorithm as a Graph Coloring Technique for Wavelength Assignment in Optical Networks, International Conf. on Photonics, Optics and Laser Technology - PHOTOPTICS Photoptics, Conference online, February, 2022,
| Abstract | BibTex
F. Gomes, L. Cancela, J. Rebola, Impact of Physical Layer Impairments on C+L-band Metro Networks, International Conf. on Photonics, Optics and Laser Technology - PHOTOPTICS Photoptics, Conference online, February, 2022,
| Abstract | BibTex
I. Duarte, L. Cancela, J. Rebola, Graph Coloring Heuristics for Optical Networks Planning, Conf. on Telecommunications - ConfTele, Leiria, Portugal, February, 2021,
| Abstract | BibTex
DM Morão, L. Cancela, J. Rebola, Exploring future large-scale ROADM architectures, Conf. on Telecommunications - ConfTele, Leiria, Portugal, February, 2021,
| Abstract | BibTex
P. M. P. Marinho Pereira, J. Rebola, L. Cancela, Procedure to optimize the intercarrier spacing in superchannels impaired by the cascading of WSS-based ROADMs, Electro-Optic Society (EOS) EOS Annual Meeting EOSAM, Oporto, Portugal, September, 2020,
| Abstract | BibTex
L. Cancela, J. J. O. Pires, How to Statistically Model Coherent MPI in Optical Communications ?, OSA Advanced Photonics Congress, Zurique, Switzerland, July, 2018,
| Abstract | Full text (PDF 296 KBs) | BibTex
D. G. Sequeira, L. Cancela, J. Rebola, Physical Layer Impairments in Cascaded Multi-Degree CDC ROADMs with NRZ and Nyquist Pulse Shaped Signals, ICETE International Conf. on Optical Communication Systems - OPTICS, Porto, Portugal, July, 2018,
| Abstract | Full text (PDF 506 KBs) | BibTex
D. G. Sequeira, L. Cancela, J. Rebola, Impact of Physical Layer Impairments on Multi-Degree CDC ROADM -based Optical Networks, International Conference on Optical Network Design and Modeling ONDM, Dublin, Ireland, May, 2018,
| Abstract | Full text (PDF 450 KBs) | BibTex
J. J. O. Pires, L. Cancela, Investigating the Impact of Coherent Multipath Interference on Optical QPSK Systems, IEEE International Conference on Communications - ICC, Paris, France, Vol. Sem informação, pp. Sem informação - Sem informação, May, 2017 | Full text (PDF 181 KBs) | BibTex
L. Cancela, D. G. Sequeira, B.R. Pinheiro, J. Rebola, J. J. O. Pires, Analytical Tools for Evaluating the Impact of In-Band Crosstalk in DP-QPSK Signals, European Conf. on Networks and Optical Communications - NOC, Lisbon, Portugal, Vol. -, pp. - - -, June, 2016,
| Abstract | BibTex
B.R. Pinheiro, J. Rebola, L. Cancela, Assessing the Impact of In-Band Crosstalk on the Performance of M-QAM Coherent Receivers using the Error Vector Magnitude, Conf. on Telecommunications - ConfTele, Aveiro, Portugal, Vol. 1, pp. 1 - 1, September, 2015,
| Abstract | BibTex
B.R. Pinheiro, J. Rebola, L. Cancela, Impact of In-Band Crosstalk Signals with Different Duty-Cycles in M-QAM Optical Coherent Receivers, European Conf. on Networks and Optical Communications - NOC, London, United Kingdom, Vol. 1, pp. 1 - 1, July, 2015 | BibTex
L. Cancela, J. Rebola, J. J. O. Pires, DQPSK Error Performance in the Presence of In-Band Interferers with Different Modulation Formats, European Conf. on Networks and Optical Communications - NOC, Milão, Italy, Vol. -, pp. - - -, June, 2014,
| Abstract | BibTex
J. Rebola, L. Cancela, J. J. O. Pires, Impact of Multi-Rate and Multi-Format Crosstalk Signals on the Performance of 40 Gbit/s DQPSK Optical Receivers, INSTICC International Conf. on Photonics, Optics and Laser Technology - PHOTOPTICS, Lisbon, Portugal, Vol. 1, pp. 1 - 1, January, 2014 | BibTex
L. Cancela, J. Rebola, J. J. O. Pires, Analytical Assessment of the Impact of OOK Crosstalk Signals on a DPSK Direct Detection System, Conf. on Telecommunications - ConfTele, Castelo Branco, Portugal, Vol. -, pp. - - -, May, 2013,
| Abstract | BibTex
G. M. Martins, L. Cancela, J. Rebola, Monte Carlo Simulation of an Optical Differential Phase-Shift Keying Communication System with Direct Detection Impaired by In-Band Crosstalk, IARIA International Conf. on Advances on System Simulation - SIMUL, Lisbon, Portugal, Vol. -, pp. - - -, November, 2012,
| Abstract | BibTex
L. Cancela, J. Rebola, J. J. O. Pires, In-Band Crosstalk Tolerance of Direct Detection DQPSK Optical Systems, IEEE Photonics Conf. - IPC, San Francisco, United States, Vol. -, pp. - - -, September, 2012,
| Abstract | BibTex
J. Rebola, L. Cancela, J. J. O. Pires, Assessment of the Performance of DPSK Optical Direct Detection Receivers Impaired by In-Band Crosstalk – Analytical Formulation Validation, European Conf. on Networks and Optical Communications - NOC, Vilanova i la Geltru, Spain, Vol. 1, pp. 1 - 1, June, 2012 | BibTex
L. Cancela, J. J. O. Pires, Quantifying the Influence of Crosstalk-Crosstalk Beat Noise in Optical DPSK Systems, Conf. on Telecommunications - ConfTele, Lisbon, Portugal, Vol. -, pp. - - -, April, 2011,
| Abstract | BibTex
L. Cancela, J. J. O. Pires, Complementary Approaches to Accurately Evaluate the Performance in Direct Detection DPSK Receivers, IEEE Global Communications Conference - GLOBECOM, New Orleans, United States, Vol. -, pp. - - -, November, 2008,
| Abstract | BibTex
L. Cancela, J. J. O. Pires, On the Accuracy of the Gaussian Approximation for Performance Estimation in Optical DPSK Systems with In-Band Crosstalk, IEEE International Conference on Communications - ICC, Glasgow, United Kingdom, Vol. -, pp. - - -, June, 2007 | BibTex
L. Cancela, J. J. O. Pires, An Approach for Calculating the Performance of DPSK Direct Detection Systems with Semiconductor Optical Amplifiers, Conf. on Telecommunications - ConfTele, Peniche, Portugal, Vol. -, pp. - - -, May, 2007 | BibTex
L. Cancela, J. J. O. Pires, Numerical Study on the Tolerance to Intrachannel Crosstalk of Direct-Detection DPSK Optical Systems, European Conference on Optical Communication ECOC, Glasgow, United Kingdom, Vol. *, pp. * - *, September, 2005 | BibTex
L. Cancela, J. J. O. Pires, Application of the Saddle Point Method for the Evaluation of the Probability Density Function of Pre-Amplified OOK Systems in the Presence of Intrachannel Crosstalk, Advanced International Conference on Telecommunications AICT, Lisbon, Portugal, Vol. *, pp. * - *, July, 2005 | BibTex
L. Cancela, J. J. O. Pires, Impact of Intrachannel Crosstalk on the Performance of Direct-Detection DPSK Optical Systems, Conf. on Lasers and Electro-optic - CLEO, Baltimore, United States, Vol. *, pp. * - *, May, 2005 | BibTex
L. Cancela, J. J. O. Pires, Homodyne Crosstalk Penalty in Large Strictly Nonblocking Optical Switches Based on Directional Couplers, Asia-Pacific Optical and Wireless Communications Conf. - APOC, Beijing, China, Vol. *, pp. * - *, November, 2001 | BibTex
L. Cancela, J. J. O. Pires, Rigorous Evaluation of Crosstalk Requirements for Large Optical Space Switches Based on Directional Couplers, Conf. on Telecommunications - ConfTele, Figueira da Foz, Portugal, Vol. 1, pp. 263 - 267, April, 2001 | BibTex
L. Cancela, J. J. O. Pires, Influence of Channel Frequency Spacing in Multisource Crosstalk in a Benes Optical Switch, International Conf. on Transparent Networks – Mediterranean Winter - ICTON MW, Kielce, Poland, Vol. 1, pp. 234 - 242, June, 1999 | BibTex
L. Cancela, J. J. O. Pires, Rigorous Analysis of the Impact of Multi-Source Crosstalk in a NxN Benes Optical Switch, Conf. on Telecommunications - ConfTele, Sesimbra, Portugal, Vol. 1, pp. 264 - 268, April, 1999 | BibTex
L. Cancela, J. J. O. Pires, Multisource Crosstalk as a Function of Channel Frequency Spacing in an 8x8 Benes Optical Switch, SPIE - All-optical Communication Systems: Architecture, Boston, United States, Vol. 3531, pp. 328 - 336, November, 1998 | BibTex
L. Cancela, J. J. O. Pires, Coherent Multipath Crosstalk due to Crossovers in an Active Splitter / Active Combiner Optical Switch, European Conf. on Lasers and Electro-Optics, Glasgow, United Kingdom, Vol. 1, pp. 455 - 456, September, 1998 | BibTex
L. Cancela, J. J. O. Pires, Factores Limitativos no Projecto de Comutadores Ópticos Espaciais, Conf. on Telecommunications - ConfTele, Aveiro, Portugal, Vol. -, pp. - - -, April, 1997,
| Abstract | BibTex

Projects

Closed Projects3

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
ImpAr	Physical Impairment Modelling in Flexible Optical Node Architectures	IT/LA	01-07-2016	01-07-2018
IXOS3D	In-band crosstalk in optical communications systems with differential direct detection	IT/LA	01-05-2011	01-05-2013

Other Contributions

5Conference Committees

European Conference on Network and Optical Communications (NOC), Conference co-chair, 2016
ICETE International Conf. on Optical Communication Systems - OPTICS, Scientific Committee, 2014
European Conf. on Networks and Communications - EUCNC, Scientific Committee, 2014
Future Network and Mobile Summit, Scientific Committee, 2013
ICETE International Conf. on Optical Communication Systems - OPTICS, Scientific Committee, 2013

3Refereeing Journals

Optics Letters
2013, 1 review(s);
Journal of Optical Communications and Networking
2014, 1 review(s);
Optics Express
2014, 1 review(s);

4Refereeing Conferences

Conf. on Telecommunications - ConfTele
2013, 2 review(s);
Future Network and Mobile Summit
2013, 1 review(s);
ICETE International Conf. on Optical Communication Systems - OPTICS
2014, 1 review(s); 2013, 1 review(s);
European Conf. on Networks and Communications - EUCNC
2014, 1 review(s);

IT Member Profile

Luís Cancela

Scientific Achievements

As Supervisor

As Co-supervisor

Closed Projects3