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Stéphane Azou

26
Documents
Identifiants chercheurs

Présentation

*Professeur des Universités (section CNU 63)* Contact Information ------------------- Address : ENIB, Lab-STICC (UMR CNRS 6285), CS73862, 29238 Brest cedex, France. Phone : +33.(0).2.98.05.66.44 E-mail: azou \[at\] enib.fr URL: [www.enib.fr/~azou](https://www.enib.fr/~azou) Education --------- - 2007: HDR degree (accreditation to supervise research) defended at the University of Brest (UBO), France Title: Furtive transmission and state-space estimation. Advisor: Prof. Gilles BUREL. - 1997: PhD degree of the University of Brest (UBO) in Electrical Engineering.*Title: Balanced systems realization via orthogonalization of input maps—Gramians and approximation.* Advisor: Prof. Pierre VILBE. - 1993: Master of Science degree (DEA) in Electrical Engineering at the University of Brest. Professional Experience ----------------------- - Since sept. 2012: Professor (Professeur des Universités) at the Brest National Engineering School (ENIB), France; Research work at the Lab-STICC (UMR CNRS 6285) - 2000-2012: Assistant Professor (Maître de Conférences) at the University of Brest, France (UBO); Research work at the LEST (UMR CNRS 6165), then at the Lab-STICC (UMR CNRS 6285) - 1998-2000: Assistant Professor at the French Naval Academy (École Navale), Lanvéoc-Poulmic, France; Research work at the Signal Processing Group (Ecole Navale). - 1997-1998: Research and Teaching Assistant at the University of Brest, France (UBO); Resarch work at the LEST (UMR CNRS 6165). - 1995-1996: Scientifique du Contingent, Ecole de Maistrance, Marine Nationale, Brest; Professeur d'Electronique.

Publications

pascal-morel
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An Experimental Demonstration of Joint Linear Impairments Compensation in Coherent Optical Systems Using a Parametric Network

Alexandru Frunza , Vincent V. Choqueuse , Pascal Morel , Alexandru Serbanescu , Stéphane Azou
Journal of Military Technology, 2022, 5 (2), ⟨10.32754/JMT.2022.2.03⟩
Article dans une revue hal-04145533v1

A Parametric Network for the Global Compensation of Physical Layer Linear Impairments in Coherent Optical Communications

Alexandru Frunza , Vincent Choqueuse , Pascal Morel , Stephane Azou
IEEE Open Journal of the Communications Society, 2022, 3, pp.1428-1444. ⟨10.1109/OJCOMS.2022.3201130⟩
Article dans une revue hal-03818281v1
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Robust Estimation of the Channel Parameters in Presence of Transmitter and Receiver IQ Impairments

Alexandru Frunza , Vincent V. Choqueuse , Pascal Morel , Stéphane Azou
Journal of Military Technology, 2022, 5 (2), pp.19-28. ⟨10.32754/JMT.2022.2.04⟩
Article dans une revue hal-04145543v1
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Very low-complexity filter lookup-table design with non-uniform spacing for SOA linearisation

Mohamad Younes , Mihai Telescu , Stéphane Azou , Pascal Morel , Noël Tanguy
IET Optoelectronics, 2020, 14 (5), ⟨10.1049/iet-opt.2019.0044⟩
Article dans une revue hal-02568443v2
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The effects of digital predistortion in a CO-OFDM system – a stochastic approach

Jacqueline E Sime , Pascal Morel , Mohamad Younes , Igor Simone Stievano , Mihai Telescu
IEEE Photonics Technology Letters, 2020, 32 (13), pp.763-766. ⟨10.1109/LPT.2020.2994892⟩
Article dans une revue hal-02610694v2
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A Numerical Assessment of an Effective Envelope-Tracking Semiconductor Optical Amplifier Design for Coherent-Optical OFDM Transmission

Julio Cesar Ortiz-Cornejo , Pascal Morel , Stéphane Azou , Jorge Arturo Pardiñas-Mir
Optics Communications, 2020, ⟨10.1016/j.optcom.2019.124474⟩
Article dans une revue hal-02390882v1
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Chirping techniques for enhancing the performance of SOA-based UWB over fiber systems: An experimental demonstration

Haidar Taki , Stéphane Azou , Ali Hamie , Pascal Morel , Ali Al Housseini
AEÜ - International Journal of Electronics and Communications / Archiv für Elektronik und Übertragungstechnik, 2018, 94, pp.221 - 225. ⟨10.1016/j.aeue.2018.07.008⟩
Article dans une revue hal-01858825v1
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Sparse Preamble Design for Polarization Division Multiplexed CO-OFDM/OQAM Channel Estimation

Nhat-Quang Nhan , Pascal Morel , Stéphane Azou , Michel Morvan , Philippe Gravey
Journal of Lightwave Technology, 2018, 36 (13), pp.2737-2745. ⟨10.1109/JLT.2018.2822732⟩
Article dans une revue hal-01954338v1
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Erratum to “Sparse Preamble Design for Polarization Division Multiplexed CO-OFDM/OQAM Channel Estimation”

Nhat-Quang Nhan , Pascal Morel , Stéphane Azou , Michel Morvan , Philippe Gravey
Journal of Lightwave Technology, 2018, 36 (22), pp.5316-5316. ⟨10.1109/JLT.2018.2874573⟩
Article dans une revue hal-01954348v1
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Performance improvement of a SOA-based coherent optical-OFDM transmission system via nonlinear companding transforms

Stéphane Azou , Serban Bejan , Pascal Morel , Ammar Sharaiha
Optics Communications, 2015, 336, pp.177 - 183. ⟨10.1016/j.optcom.2014.09.067⟩
Article dans une revue hal-01088835v1
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A Joint Linearization/Companding Approach for Improving a CO-OFDM Transmitter

Serban Bejan , Stéphane Azou , Pascal Morel , Cherif Diouf , Mihai Telescu
IEEE Photonics Technology Letters, 2015, 27 (20), pp.2162-2165. ⟨10.1109/LPT.2015.2455674⟩
Article dans une revue hal-01218942v1
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Performance analysis of UFMC waveform in an SOA-based analog IF over fiber fronthaul link for the C-RAN architecture

Mahdi Kasmi , Pascal Morel , Mihai Telescu , Vincent V. Choqueuse , Noël Tanguy
Journée du Club Optique et Micro-Ondes (JCOM 2023), Jun 2023, online, France
Communication dans un congrès hal-04149286v1
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Influence of frequency mapping on intermodulation distortion in an SOA-based optical fronthaul C-RAN architecture for 5G communications

Mahdi Kasmi , Pascal Morel , Mihai Telescu , Vincent V. Choqueuse , Noël Tanguy
23rd International Conference on Transparent Optical Networks (ICTON 2023), Jul 2023, Bucharest, Romania
Communication dans un congrès hal-04149163v1

Global Estimation and Compensation of Linear Effects in Coherent Optical Systems Based on Nonlinear Least Squares

Alexandru Frunza , Vincent Choqueuse , Pascal Morel , Alexandru Serbanescu , Stephane Azou
2022 14th International Conference on Communications (COMM), Jun 2022, Bucharest, France. pp.3794-3804, ⟨10.1109/JSYST.2021.3111777⟩
Communication dans un congrès hal-03818275v1
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Digital Predistortion for CO-OFDM Systems Using Generalized Memory Polynomials

Jacqueline E Sime , Pascal Morel , Mihai Telescu , Noël Tanguy , Stéphane Azou
2020 IEEE Eighth International Conference on Communications and Electronics (ICCE), Jan 2021, Phu Quoc Island (virtual), Vietnam. pp.7-11, ⟨10.1109/ICCE48956.2021.9352081⟩
Communication dans un congrès hal-03148309v1
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Experimental Investigation of the Linearization of an SOA based CO-OFDM System

Jacqueline E Sime , Pascal Morel , Mihai Telescu , Noël Tanguy , Stéphane Azou
IEEE Photonics Conference (IPC), Oct 2021, Vancouver (virtual), Canada
Communication dans un congrès hal-03420595v1
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Analyse stochastique de la linéarisation en bande de base des SOAs dans les réseaux optiques

Jacqueline E Sime , Pascal Morel , Igor Simone Stievano , Mihai Telescu , Noël Tanguy
Journées Nationales d'Optique Guidée, Jul 2021, Dijon, France
Communication dans un congrès hal-03420634v1

An Improved Envelope Tracking SOA Amplifier for CO-OFDM Transmission by Using PSO

Julio Cesar Ortiz-Cornejo , Stéphane Azou , Jorge Arturo Pardiñas-Mir , Pascal Morel
2018 IEEE 10th Latin-American Conference on Communications (LATINCOM), Nov 2018, Guadalajara, France. pp.1-5, ⟨10.1109/LATINCOM.2018.8613235⟩
Communication dans un congrès hal-02468952v1

Performances d’un SOA à gain bloqué (GC-SOA) dans un système de transmission optique CO’OFDM

Ammar Sharaiha , Pascal Morel , Stéphane Azou , John D. Sierra Beltran
Journées Nationales d'Optique Guidée (JNOG 2017), Jul 2017, Limoges, France
Communication dans un congrès hal-01560602v1
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Robustness Improvement of Compact Predistorters in a CO-OFDM System Using Semiconductor Optical Amplifiers

Mohamad Younes , Mihai Telescu , Noël Tanguy , Chérif El Valid Diouf , Pascal Morel
29th International Conference on Microelectronics (ICM), 2017, Dec 2017, Beirut, Lebanon. ⟨10.1109/ICM.2017.8268828⟩
Communication dans un congrès hal-01697205v1

Sur la robustesse de pré-distorseurs numériques statiques pour la compensation de non-linéarités au sein de transmetteurs optiques multi-porteuses

Mohamad Younes , Stéphane Azou , Noël Tanguy , Mihai Telescu , Pascal Morel
Journée du Club Optique et Micro-Ondes (JCOM2016), Jun 2016, Nice, France
Communication dans un congrès hal-01342228v1

Utilisation conjointe d’une réduction de PAPR via une loi µ et d’un modèle comportemental pour la linéarisation d’un transmetteur optique

Mohamad Younes , Stéphane Azou , Noël Tanguy , Mihai Telescu , Pascal Morel
Journée du Club Optique et Micro-Ondes (JCOM2016), Jun 2016, Nice, France
Communication dans un congrès hal-01342225v1

On the use of digital predistortion to compensate the nonlinear effects of semiconductor optical amplifiers

Stéphane Azou , Serban Bejan , Pascal Morel , Chérif El Valid Diouf , Ammar Sharaiha
20th IEEE Workshop on Signal and Power Integrity (SPI), May 2016, Turin, Italy. ⟨10.1109/SaPIW.2016.7496281⟩
Communication dans un congrès hal-01342086v1

Pré-distorsion numérique à très faible complexité pour la compensation d'effets non-linéaires au sein d'un transmetteur optique CO-OFDM

Mohamad Younes , Stéphane Azou , Noël Tanguy , Pascal Morel , Mihai Telescu
Journées Nationales d'Optique Guidée, Optique Bordeaux 2016, Jul 2016, Bordeaux, France
Communication dans un congrès hal-01342221v1

Compensation d’effets non-linéaires au sein d’un transmetteur optique CO-OFDM par pré-distorsion numérique en bande de base

Stéphane Azou , Serban Bejan , Pascal Morel , Chérif El Valid Diouf , Mihai Telescu
Journées Nationales d'Optique Guidée, Optique Bretagne 2015, Jul 2015, Rennes, France
Communication dans un congrès hal-01342199v1

A comparative study of nonlinear companding schemes for CO-OFDM transmissions

Stéphane Azou , Serban Bejan , Pascal Morel , Ammar Sharaiha
13th International Conference on Optical Communications and Networks (ICOCN), Nov 2014, Suzhou, China
Communication dans un congrès hal-01131924v1