Publications



Book Chapter

  • G Rekaya, Y Jaouen, É Awwad, A Abouseif, R Klaimi, "Digital communication for optical transmission systems", Undersea Fiber Communication Systems, Academic Press, 2025

    • Thesis Manuscript

  • É Awwad, "Emerging space-time coding techniques for optical fiber transmission systems", Télécom ParisTech, 2015

    • Journal Articles

    2026

  • É Awwad, M Freire-Hermelo, D Prato, P Pruvost, P Kumar Choudhury, Y Jaouën, R Gabet, H Huang, "Distributed Acoustic Sensing Over Deployed Telecommunication Fiber Networks: Opportunities and Challenges", Preprint, July 2026
  • D Prato, M Mokhtari Sheramin, R Gabet, É Awwad, "Numerical Model of a Multiple-Input-Multiple-Output Distributed Acoustic Sensor with Joint Phase and Birefringence Estimation", HAL Preprint, June 2026
  • M Freire-Hermelo, É Awwad, "Comparative Analysis of Spread-Spectrum Codes for Fibre-Optic Distributed Acoustic Sensing", Preprint, March 2026


    • 2025

  • L Tomczyk, É Awwad, C Ware, "Blind Polarisation Demultiplexing and Carrier Recovery Using FIR-based Variational AutoEncoder Equaliser for Probabilistic Constellation Shaping in Optical Fibre Communications", IEEE Journal of Lightwave Technology, 2025
  • S Guerrier, C Dorize, K Abdelli, H Mardoyan, H Pavani, C Antonelli, A Mecozzi, A Koubaa, K Darwish, M Biyahi, É Awwad, J Renaudier, "Distributed Coherent Sensing over Deployed Fibers for Network as A Sensor Applications", IEEE Journal of Lightwave Technology, 2025


    • 2024

  • P Kumar Choudhury, É Awwad, "In-band Sensing and Communication for Optical Access Networks using Δϕ-OTDR with Simplified Transceivers", IEEE Sensors Letters, 2024
  • P Didier, S Zaminga, O Spitz, J Wu, É Awwad, G Maisons, F Grillot, "Data encryption with chaotic light in the long wavelength infrared atmospheric window", Optica, 2024
  • I Andrenacci, M Lonardi, P Ramantanis, É Awwad, E Irurozki, S Clemencon, S Almonacil, "Machine-learning-based technique to establish ASE or Kerr impairment dominance in optical transmission", Journal of Optical Communications and Networking, 2024
  • J Liu, É Awwad, H Hafermann, Y Jaouën, "Sequence Selection with Dispersion-Aware Metric for Long-Haul Transmission Systems", IEEE Journal of Lightwave Technology, 2024


    • 2023

  • J Liu, É Awwad, Y Jaouën, "Fault-Tolerant Four-Dimensional Constellation for Coherent Optical Transmission Systems", Optics Express, 2023
  • P Didier, H Knötig, O Spitz, L Cerutti, A Lardschneider, É Awwad, D Diaz-Thomas, AN Baranov, R Weih, J Koeth, B Schwarz, F Grillot, "Interband cascade technology for energy-efficient mid-infrared free-space communication", Optica Photonics Research, 2023


    • 2022

  • C Dorize, S Guerrier, É Awwad, H Mardoyan, J Renaudier "From Coherent Systems Technology to Advanced Fiber Sensing for Smart Network Monitoring", IEEE Journal of Lightwave Technology, 2022
  • P Didier, H Dely, T Bonazzi, O Spitz, É Awwad, E Rodriguez, A Vasanelli, C Sirtori, F Grillot "High-capacity free-space optical link in the midinfrared thermal atmospheric windows using unipolar quantum devices", Advanced Photonics 4 (5), 2022


    • 2021

  • S Guerrier, C Dorize, É Awwad, J Renaudier, "A fully digital MIMO-OFDM scheme for fading mitigation in coherent Δϕ-OTDR", Optics Express 29 (22), 2021
  • A May, F Boitier, É Awwad, P Ramantanis, M Lonardi, P Ciblat, "Receiver-Based Experimental Estimation of Power Losses in Optical Networks", IEEE Photonics Technology Letters 33 (22), 2021
  • C Dorize, S Guerrier, É Awwad, J Renaudier, "Identification of Rayleigh fading induced phase artifacts in coherent differential ϕ-OTDR", Optics Letters 46 (11), 2021, Editor's Pick
  • W Tomboza, S Guerrier, É Awwad, C Dorize, "High sensitivity differential phase OTDR for acoustic signals detection", IEEE Photonics Technology Letters 33 (13), 2021


    • 2020

  • A Dumenil, É Awwad, C Méasson "PDL in optical links: A model analysis and a demonstration of a PDL-resilient modulation", Journal of Lightwave Technology 38 (18), 2020
  • S Guerrier, C Dorize, É Awwad, J Renaudier "Introducing coherent MIMO sensing, a fading-resilient, polarization-independent approach to ϕ-OTDR", Optics Express 28 (14), 2020
  • É Awwad, C Dorize, S Guerrier, J Renaudier "Detection-Localization-Identification of Vibrations Over Long Distance SSMF With Coherent Deltaϕ-OTDR", Journal of Lightwave Technology 38 (12), 2020, Extended version of a top-scored conference paper
  • J Renaudier, A Arnould, A Ghazisaeidi, D Le Gac, P Brindel, É Awwad, M Makhsiyan, K Mekhazni, F Blache, A Boutin, L Letteron, Y Frignac, N Fontaine, D Neilson, M Achouche "Recent Advances in 100+ nm Ultra-Wideband Fiber-Optic Transmission Systems Using Semiconductor Optical Amplifiers", Journal of Lightwave Technology 38 (5), 2020


    • 2013-2019

  • C Dorize, É Awwad, J Renaudier, "High Sensitivity Phase-OTDR Over Long Distance With Polarization Multiplexed Codes", IEEE Photonics Technology Letters 31 (20), 2019
  • C Dorize, É Awwad, "Enhancing the performance of coherent OTDR systems with polarization diversity complementary codes", Optics Express 26 (10), 2018
  • A Ghazisaeidi, IF de Jauregui Ruiz, L Schmalen, P Tran, C Simonneau, É Awwad, B Uscumlic, P Brindel, G Charlet, "Submarine Transmission Systems Using Digital Nonlinear Compensation and Adaptive Rate Forward Error Correction", Journal of Lightwave Technology 34 (8), 2016, Extended version of a top-scored conference paper
  • É Awwad, G Rekaya Ben Othman, Y Jaouën, "Space-Time Coding Schemes for MDL-Impaired Mode-Multiplexed Fiber Transmission Systems", Journal of Lightwave Technology 33 (24), 2015
  • É Awwad, Y Jaouën, G Rekaya Ben Othman, "Polarization-time coding for PDL mitigation in long-haul PolMux OFDM systems", Optics express 21 (19), 2013


    • Conference Papers, Workshops, and Posters

    2026

  • G Wang, P Kumar Choudhury, L-K Chen, É Awwad, "High-Bandwidth Branch-Ambiguity-Free Probing for Single-Wavelength DAS in PON", accepted for presentation at ECOC, September 2026
  • P Pruvost, Y Jaouën, É Awwad, "Characterizing the Surrounding Medium of an Optical Fiber Network Using Distributed Acoustic Sensing (DAS)", No. GC14-FibreOptic-73, Copernicus Meetings, September 2026
  • J Luo, P Pruvost, E Irurozki, Y Jaouën, É Awwad, "How Do Ground Conditions Shape DAS Signals? An Experimental Study with Telecom Fibers and Machine Learning ", No. GC14-FibreOptic-72, Copernicus Meetings, September 2026
  • D Prato, R Gabet, É Awwad, "Joint phase and birefringence estimation in MIMO-DAS for dynamic strain anisotropy discrimination and static fiber characterization", No. GC14-FibreOptic-68, Copernicus Meetings, September 2026
  • D Prato, M Mokhtari Sheramin, R Gabet, É Awwad, "Event detection and localization using a multiple-input-multiple-output distributed fiber sensor with birefringence and phase estimation", SPIE Photonics Europe, Optical Sensing and Detection IX, April 2026
  • P Pruvost, É Awwad, H Huang, Y Jaouën, "Frequency-Domain Characterization of Deployed Fiber-Medium Coupling using DAS", Optical Fiber Communication Conference, paper Th2A.59
  • É Awwad, D Prato, P Pruvost, M Freire-Hermelo, R Gabet, Y Jaouën, "Distributed Fiber Sensing Over Deployed Networks: Opportunities and Challenges", Optical Fiber Communication Conference, paper W4D.1, Invited paper


    • 2025

  • I Andrenacci, P Ramantanis, E Irurozki, É Awwad, S Clémençon, F Boitier, P Layec, S Bigo "Detecting Anomalous Fiber Macro-Bending Conditions Using Neural Networks", OptoElectronics and Communications Conference (OECC), July 2025
  • P Kumar Choudhury, É Awwad, "Wavelength and Code Orthogonality Based Distributed Acoustic Sensing over a Passive Optical Network", Optical Fiber Communication Conference, paper W3J.3, March 2025


    • 2024

  • É Awwad, J Liu, H Hafermann, Y Jaouën, "Sequence Selection for Nonlinear Interference Mitigation: Current Approaches & Open Challenges", Keynote talk, Asia Communications and Photonics Conference (ACP)
  • L Tomczyk, É Awwad, D Prato, C Ware, "Blind State of Polarisation Monitoring Using Variational AutoEncoders-inspired Adaptive Filter", European Conference on Optical Communication (ECOC)
  • J Liu, É Awwad, Y Jaouën, "Nonlinear Tolerant Sphere Shaping with Dispersion-Aware Sequence Selection", IEEE Opto-Electronics and Communications Conference (OECC)
  • I Andrenacci, M Lonardi, P Ramantanis, É Awwad, E Irurozki, S Clemencon, P Serena, C Lasagni, S Bigo, P Layec "Machine Learning-Driven Low-Complexity Optical Power Optimization for Point-to-Point Links", IEEE/Optica OFC
  • S Guerrier, C Dorize, H Pavani, H Mardoyan, É Awwad, J Renaudier, "Digital Coherent Sensing over Deployed Fibers for Advanced Network Telemetry", IEEE/Optica OFC


    • 2023

  • J Liu, É Awwad, Y Jaouën, "Multi-dimensional Energy Limitation in Sphere Shaping for Nonlinear Interference Noise Mitigation", IEEE/Optica/COS Asian Communications and Photonics Conference (ACP)
  • J Liu, É Awwad, Y Jaouën, "Probabilistic Shaping over Multi-Dimensional Constellations for Optical Fiber Transmissions: Trade-offs and Insights", IEEE/Optica/COS 28th Optoelectronics and Communications Conference (OECC 2023)
  • L Tomczyk, É Awwad, P Ramantanis, C Ware, "Relaxing dispersion pre-distortion constraints of receiver-based power profile estimators", IEEE/Optica/COS 28th Optoelectronics and Communications Conference (OECC 2023)
  • P Didier, S Zaminga, O Spitz, H Knotig, L Cerutti, A Lardschneider, É Awwad, D Diaz-Thomas, A Baranov, R Weih, J Koth, B Schwarz, F Grillot, "Technologie interbande à cascades quantiques pour les communications espace libre dans l’infrarouge moyen", JNOG 2023
  • P Didier, H Dely, O Spitz, T Bonazzi, É Awwad, E Rodriguez, A Vasanelli, C Sirtori, F Grillot, "Progress in high-speed optical links in the 8-12 microns thermal atmospheric window from the perspective of unipolar quantum technology", SPIE Defense + Commercial Sensing Conference
  • D Orsuti, L Palmieri, S Guerrier, É Awwad, C Dorize, C Antonelli, A Mecozzi, "Coherent combination method applied to distributed acoustic sensing over deployed multicore fiber", European Workshop on Optical Fibre Sensors (EWOFS 2023)
  • C Dorize, S Guerrier, É Awwad, J Renaudier, "Impact of non-Lorentzian laser phase noise on Φ-OTDR performance", European Workshop on Optical Fibre Sensors (EWOFS 2023)
  • F Grillot, O Spitz, P Didier, H Dely, T Bonazzi, É Awwad, A Vasanelli, C Sirtori, "Recent advances in high-speed data communications using mid-infrared quantum cascade lasers", SPIE OPTO Conference
  • I Andrenacci, M Lonardi, P Ramantanis, É Awwad, E Irurozki, S Clémençon, "Fast and accurate nonlinear interference in-band spectrum prediction for sparse channel allocation", IEEE International conference on Optical Network Design and Modelling (ONDM 2023)
  • S Guerrier, A Mecozzi, C Dorize, C Antonelli, L Dallachiesa, H Mardoyan, É Awwad, D Orsuti, L Palmieri, M Mazur, T Hayashi, R Ryf, J Renaudier, "Field Trial of High-Resolution Distributed Fiber Sensing Over Multicore Fiber in Metropolitan Area With Construction Work Detection Using Advanced MIMO-DAS", IEEE/Optica OFC, paper W1J.5


    • 2022

  • F Grillot, P Didier, H Dely, T Bonazzi, O Spitz, É Awwad, E Rodriguez, A Vasanelli, C Sirtori, "Free-space laser communications with quantum cascade devices in the thermal-infrared atmospheric window", IEEE Photonics Conference (IPC)
  • O Spitz, A Guillaume-Manca, K Yang, P Didier, J Liu, É Awwad, F Grillot, "High-speed free-space transmission at room temperature with an RF-mounted quantum cascade laser emitting in the long-wave infrared domain ", IEEE Research and Applications of Photonics in Defense Conference (RAPID)
  • C Dorize, S Guerrier, É Awwad, J Renaudier, "Revisiting Distributed Acoustic Sensing: A Telecom Approach Inspired from Optical Transmission ", Optica Optical Fiber Sensors (OFS), Th4.7
  • P Didier, H Dely, O Spitz, É Awwad, T Bonazzi, E Rodriguez, C Sirtori, F Grillot, "Unipolar quantum technology enabling high-speed free-space communication in the long-wave infrared regime", IEEE Conference on Lasers and Electro-Optics (CLEO), , Post-deadline paper
  • A May, É Awwad, P Ciblat, P Ramantanis, "Receiver-Based Localization and Estimation of Polarization Dependent Loss", IEEE OptoElectronics and Communications Conference
  • C Dorize, S Guerrier, É Awwad, K Benyahya, H Mardoyan J Renaudier, "Advanced Fiber Sensing Leveraging Coherent Systems Technology for Smart Network Monitoring", Optical Fiber Communication Conference, M2F.6, Invited paper
  • S Guerrier, K Benyahya, C Dorize, É Awwad, H Mardoyan J Renaudier, "Vibration Detection and Localization in Buried Fiber Cable after 80km of SSMF using Digital Coherent Sensing System with Co-Propagating 600Gb/s WDM Channels", Optical Fiber Communication Conference


    • 2021

  • S Guerrier, C Dorize, É Awwad, J Renaudier, "Captation de vibrations par fibre optique: une approche télécom", Journées Nationales de l'Optique Guidée (JNOG)-Optique Dijon
  • A May, F Boitier, É Awwad, P Ramantanis, M Lonardi, P Ciblat, "Estimation de pertes de puissances pour les réseaux optiques", Journées Nationales de l'Optique Guidée (JNOG)-Optique Dijon
  • C Dorize, S Guerrier, É Awwad, PA Nwakamma, H Mardoyan, J. Renaudier, "An OFDM-MIMO Distributed Acoustic Sensing over Deployed Telecom Fibers", Optical Fiber Communication Conference, W7C.2


    • 2020

  • A Dumenil, É Awwad, C Méasson, "Tetrahedral Coding and Non-Unitary Resilience in Polarization-Multiplexed Lightwave Transmissions", IEEE International Symposium on Information Theory (ISIT), 309-314
  • C Dorize, S Guerrier, É Awwad, J Renaudier, "Capturing Acoustic Speech Signals with Coherent MIMO Phase-OTDR", European Conference on Optical Communications (ECOC), 1-4
  • C Dorize, É Awwad, S Guerrier, J Renaudier, "Optimal probing sequences for polarization-multiplexed coherent phase OTDR", Optical Fiber Sensors, T3.23
  • S Guerrier, C Dorize, É Awwad, J Renaudier, "Towards polarization-insensitive coherent coded phase OTDR", Optical Fiber Sensors, T3.20
  • A Dumenil, É Awwad, C Méasson, "Experimental Demonstration of a 4D PDL-resilient Signaling for Long-haul Networks", CLEO: Science and Innovations, SW3L.3


    • 2019

  • A Carbo Meseguer, A Arnould, JC Antona, A Ghazisaeidi, P Plantady, Suwimol Dubost, A Calsat, É Awwad, J Renaudier, V Letellier, "Experimental characterization of equalization-enhanced phase noise in transoceanic transmission systems", European Conference on Optical Communication (ECOC)
  • A Arnould, A Ghazisaeidi, D Le Gac, É Awwad, P Brindel, J Renaudier, "Net 800 Gbit/s transmission over 605 km using 99.5 GBaud PDM-64QAM with CMOS digital-to-analog converters", European Conference on Optical Communication (ECOC)
  • A Dumenil, É Awwad, C Méasson, "Low-Complexity PDL-Resilient Signaling Design", Signal Processing in Photonic Communications, SpTh2E. 3, Best student paper award
  • É Awwad, C Dorize, J Renaudier, "Efficient Multi-Event Localization from Rayleigh Backscattering in Phase-Sensitive OTDR Systems", Optics and Photonics for Sensing the Environment, EW6A. 2
  • S Guerrier, C Dorize, É Awwad, J Renaudier "A Dual-polarization Rayleigh Backscatter Model for Phasesensitive OTDR Applications", Optics and Photonics for Sensing the Environment, ETu3A. 4
  • A Ghazisaeidi, A Arnould, D Le Gac, É Awwad, P Brindel, P Pecci, O Courtois, A LeRoy, J Renaudier "Power efficient transmission of 320 Gb/s over 17545 km, and 560 Gb/s over 6050 km using 98 GBd QPSK and 64QAM and CMOS technology", European Conference on Optical Communications (ECOC)
  • A Dumenil, É Awwad, C Méasson, "Rate optimization using SO (4) transforms for PDL mitigation", European Conference on Optical Communications (ECOC)
  • C Dorize, É Awwad, S Guerrier, J Renaudier, "Vibration identification over 50km SSMF with Pol-Mux coded phase-OTDR", European Conference on Optical Communications (ECOC), Top-scored paper


    • 2018

  • É Awwad, C Dorize, P Brindel, U Bertuzzi, J Renaudier, G Charlet, "Large Bandwidth Phase-Sensitive DAS with Novel Polarization-Multiplexed Probing Technique", Optical Fiber Sensors, ThE63
  • A Dumenil, É Awwad, C Méasson, "Low-complexity polarization coding for PDL-resilience", European Conference on Optical Communication (ECOC)


    • 2017

  • A Dumenil, É Awwad, C Méasson, "Polarization Dependent Loss: Fundamental Limits and How to Approach Them", Signal Processing in Photonic Communications, SpM4F.1


    • 2016

  • I Fernandez de Jauregui Ruiz, A Ghazisaeidi, É Awwad, P Tran, G Charlet, "Polarization effects in nonlinearity compensated links", European Conference on Optical Communication (ECOC)
  • É Awwad, P Tran, G Charlet, "A Low-complexity Implementation of Full-rate Polarization-Time Codes for PDL Mitigation in Single-Carrier Optical Transmissions using the Constant", European Conference on Optical Communication (ECOC)


    • 2015

  • Y Jaouën, É Awwad, G Rekaya Ben Othman, "Emerging Space-Time coding techniques for optical fiber transmission systems", Munich workshop on Information Theory of Optical Fiber
  • É Awwad, G Rekaya Ben Othman, Y Jaouën, "Space-time coding and optimal scrambling for mode multiplexed optical fiber systems", IEEE International Conference on Communications (ICC)
  • EM Amhoud, É Awwad, G Rekaya Ben Othman, Y Jaouën, "Mode selection and larger set equalization for mode-multiplexed fiber transmission systems", Optical Fiber Communications Conference and Exhibition (OFC)
  • A Ghazisaeidi, L Schmalen, P Tran, C Simonneau, É Awwad, B Uscumlic, P Brindel, G Charlet, "54.2 Tb/s transoceanic transmission using ultra low loss fiber, multi-rate FEC and digital nonlinear mitigation", European Conference on Optical Communication (ECOC), Top-scored paper


    • 2014

  • W Wei, Y Jaouën, L Yi, É Awwad, M Morvan, "System Performance Evaluation of Stimulated Brillouin Scattering Based Narrowband Rectangular Optical Filter", Asia Communications and Photonics Conference, ATh1C.3
  • É Awwad, G Rekaya Ben Othman, Y Jaouën, Y Frignac, "Space-time codes for mode-multiplexed optical fiber transmission systems", Signal Processing in Photonic Communications, SM2D.4


    • 2013

  • É Awwad, Y Jaouën, G Rekaya Ben Othman, E Pincemin, "Polarization-Time Coded OFDM for PDL Mitigation in Long-Haul Optical Transmission Systems", European Conference on Optical Communications, P3.4
  • É Awwad, G Rekaya Ben Othman, Y Jaouën, "Design criterion of polarization-time codes for optical fiber channels", IEEE International Conference on Communications (ICC)


    • 2012

  • P Delesques, É Awwad, S Mumtaz, G Froc, P Ciblat, Y Jaouën, G Rekaya, C Ware, "Mitigation of PDL in coherent optical communications: How close to the fundamental limit?", European Conference and Exhibition on Optical Communications
  • Y Jaouën, S Mumtaz, É Awwad, G Rekaya Ben Othman, "Space-time codes for fiber communications: Coding gain and experimental validation", 8th International Symposium on Communication Systems, Networks & Digital Signal Processing (CSNDSP)
  • E Giacoumidis, J Karaki, E Pincemin, C Gosset, R Le Bidan, É Awwad, Y Jaouën, "100 Gb/s coherent optical polarization multiplexed Multi-band-OFDM (MB-OFDM) transmission for long-haul applications", International Conference on Transparent Optical Networks (ICTON)
  • É Awwad, Y Jaouën, G Rekaya Ben Othman, "Improving PDL tolerance of long-haul PDM-OFDM systems using polarization-time coding", Signal Processing in Photonic Communications, SpTu2A.5


    • Patents

  • É Awwad, C Dorize, S Guerrier, "Polarisation Gain Equalization And Deconvolution In A Mimo Sensing Setup", European Patent App. 22315113.5, 2022
  • A May, P Ramantanis, F Boitier, É Awwad, M Lonardi, "Method and Apparatus for Estimating the Location and Power Loss of Anomalies along an Optical Link", European Patent App. 20306188.2, 2020
  • É Awwad, C Dorize, S Guerrier, "Fiber phase sensing using a ladder topology", US Patent App. 17/150,916, 2021 and European Patent App. EP3855138A1, 2020
  • É Awwad, C Dorize "Multi-Carrier Coherent Coded Distributed Acoustic Sensing", European Patent App. EP3694117A1, 2019
  • C Dorize, É Awwad, "Device and Method for Monitoring an Optical System", European Patent App. EP3795960A1, 2019
  • C Dorize, É Awwad, "Multi-Resolution Detection of Optical Fiber Events", European Patent App. EP3595195A1, 2018
  • A Dumenil, É Awwad, C Méasson, "Multi-Channel Optical Communications System Mitigating Non-Unitary Impairments", European Patent EP3404853B1, 2018
  • É Awwad, G Rekaya Ben Othman, Y Jaouën, "Method and system of optical fibre with switching of modes and/or cores", US Patent 10,491,300, 2019
  • É Awwad, G Rekaya Ben Othman, Y Jaouën, "Method for selecting modes for transmission over multimode or multicore optical fibres", US Patent 10,122,461, 2018