Man

Marcelo Alfonso Soto Hernández

Profesor Auxiliar

Universidad Técnica Federico Santa María

Valparaíso, Chile

Líneas de Investigación


Distributed optical fibre sensing. Optical signal processing. Optical communications. Applications of stimulated Brillouin scattering. Acousto-optic interactions Optical amplification. Nonlinear fibre optics.

Educación

  •  Ph.D. degree in Innovative Technologies of ICT Engineering, major in Telecommunications, SCUOLA SUPERIORE SANT ANNA PISA. Italia, 2011
  •  Magister en Ciencias de la Ingeniería Electrónica, UNIVERSIDAD TECNICA FEDERICO SANTA MARIA. Chile, 2005
  •  Ingeniería Civil Electrónica, UNIVERSIDAD TECNICA FEDERICO SANTA MARIA. Chile, 2005

Experiencia Académica

  •   Postdoctoral Researcher Full Time

    ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE

    Lausanne, Suiza

    2011 - 2018

  •   Research Fellow Full Time

    SCUOLA SUPERIORE SANT ANNA PISA

    Pisa, Italia

    2010 - 2011

  •   Profesor Auxiliar Full Time

    UNIVERSIDAD TECNICA FEDERICO SANTA MARIA

    Valparaíso, Chile

    2018 - At present

Experiencia Profesional

  •   Research Fellow Full Time

    Scuola Superiore Sant'Anna

    Pisa, Italia

    2010 - 2011

  •   Teaching Lecturer Part Time

    Universidad Técnica Federico Santa María

    Valparaíso, Chile

    2006 - 2006

  •   Professional Consultant Part Time

    FiberSens S.R.L.

    Lenno, Italia

    2008 - 2010

  •   Postdoctoral Researcher Full Time

    EPFL Swiss Federal Institute of Technology

    Lausanne, Suiza

    2011 - 2018

  •   Associate Researcher Other

    Advanced Research Center for Electrical and Electronic Engineering (AC3E)

    Valparaíso, Chile

    2019 - At present

Formación de Capital Humano


Supervision of Students

o Supervisor at Universidad Técnica Federico Santa María:
• 1 Doctoral Students
- 2019-present: Dayana Hernández Rodriguez - Thesis tittle to be defined
• Master Students
- 2019-present: Felipe Muñoz Carmona - Acoustic signal processeing applied to distributed acoustic sensors (original title in Spanish: Técnicas de procesamiento acústico aplicadas a sensor
acústico distribuido de fibra óptica)
- 2019-present: Pablo Hernández Donoso - Thesis tittle to be defined
• Undergraduate Dissertations
- 2018-2019: Mauricio Jofré Prieto - Diseño y Construcción de un Sensor phi-OTDR Para Detectar Perturbaciones en Polines de Correas Transportadoras
- 2019-2020: Paulo Rivera Rivera - Diseño de experiencias de laboratorio para el estudio de fibra óptica y componentes de enlaces ópticos
- 2020-present: Luis Bahamondes Pastén - Implementación y estudio de factibilidad de un detector óptico Kramers Kronig para sensores distribuidos Rayleigh en fibra óptica

o Technical and Scientific Co-supervision at EPFL Swiss Federal Institute of Technology:
• 6 Doctoral Students in Photonics (Flavien Gyger, Desmond Chow, Xin Lu, Mehdi Alem, Andrey Denisov, and Nikolay Primerov)
• 10 visiting PhD Students and Researchers
• 2 Master Students (Flavien Gyger and Sotirios Papadopoulos)
• 2 Final Bachelor Projects (Özgün Serttek and Flavien Gyger)

o External Reviewer or Examiner of PhD Theses:
• 1 PhD Thesis at Universidad Pública de Navarra, Pamplona, Spain
• 3 PhD Theses at Universidad de Alcalá, Alcalá de Henares (Madrid), Spain
• 2 PhD Theses at Tel-Aviv University, Tel-Aviv, Israel
• 1 PhD Thesis at Bar-Ilan, Ramat Gan, Israel


Difusión y Transferencia


o Project Manager of the R&D project “Investigation of distributed sensing techniques based on fibre optic technology and their applicability to ITER for leak localisation,” (186k euro). ITER Organisation, France.

o Main Scientific Responsible for:
• Two R&D projects funded by the Swiss Commission for Technology and Innovation (CTI), focused on technology transfer to the Swiss Industry (years 2012 to 2017).
• One project funded by the European Space Agency (ESA), to study distributed optical fibre sensing solutions for Space applications (2015).

o Author of 8 patents, some of which are being used by Omnisens SA, Morges, Swtizerland (one of the world-leader's company in long-range distributed fibre sensing).

o Member of the Technical Programme Committee of international conferences:
• International Conference on Optical Fibre Sensors (OFS), since 2015.
• International Conference on Photonics (ICP), since 2015.
• Asia-Pacific Optical Sensors (APOS) Conference, in 2016.
• Latin American Workshop on Optical Fiber Sensors (LAWOFS), since 2019.
• 25th Congress of the International Commission for Optics (ICO), since 2020
• 16th International Conference on Optics Within Life Sciences (OWLS), since 2020

o Outreach and Scientific Community Involvement
• Preparation of project proposals granted with more than 2.2M USD (total project funding over 4.8M USD).
• Technical Co-Chair of the 26th International Conference on Optical Fibre Sensors (OFS-26), Lausanne, Switzerland, September 2018 (conference supported by OSA).
• Associate Editor of OSA/IEEE Journal of Lightwave Technology – special issue of the OFS-26 conference.
• Associate Editor of the Optical Fiber Technology Journal (Editorial Elsevier).
• International collaborations established with several universities and research centres worldwide. The most relevant are in Switzerland, Italy, Spain, France, China, Israel, Germany, Romania, and United States.
• Member of the Optical Society of America (OSA) since 2012. OSA member number 973935.
• Author and co-author of several invited contributions in the field of distributed optical fibre sensing.
• Invited to present seminars and guest lectures at several universities and events worldwide.
• Member of the Review Board of major international journals in optical fibre sensing and photonics: Nature Publishing Group, OSA, IEEE, Elsevier, among others editorial groups. Approx. 17-20 reviews per year.

o Public Impact
• Press release on 31.07.2018: “Optical fibers that can sense the materials around them.” Article describing one of the first demonstrations of distributed optical fibre sensing employing forward Brillouin scattering for measuring substances outside an optical fibre. Making use of a radially-activated sound wave in an optical fibre, different kinds of gasses or liquids have been detected. The article has been published (with slightly different titles) in the most relevant scientifically-oriented websites for general public, such as PhysOrg, Photonics Media, Laser Focus World, Optics & Photonics News, and many others.

• Press release on 4.05.2017: “New fiber-based sensor could quickly detect structural problems in bridges and dams.” Article describing the first demonstration of a distributed fibre-optic sensor able to measure 1 million independent points over a single 10-kilometre optical fibre with a spatial resolution of 1 cm. The press coverage on the method, useful for structural health monitoring and biomedical sensing, was released by the Optical Society of America (OSA), and then worldwide spread through the most relevant scientifically-oriented websites for general public, such as PhysOrg, Laser Focus World, Eurekalert, and many others.

• Press release on 1.03.2016: “Photoshop filters for safer bridges.” Article describing the demonstration of image denoising methods to enhance the performance of distributed fibre sensors, and the first realisation of a distributed optical fibre sensor capable of resolving more than two-million points in a single fibre. Published on the most important scientifically-oriented websites for general public, such as PhysOrg, Eurekalert, Physnews, Laser Focus World, Sciencenewsline, and many others.

• Press release on 5.12.2013: “Ten Times More Throughput on Optic Fibers.” Article describing a method to generate almost-ideal optical sinc-shaped Nyquist pulses, with the potential of increasing the throughput of optical fibres by a factor 10. Press release with big impact, being spread worldwide and translated into several languages in newspapers, TV & radio news, and replicated on many scientifically oriented websites.


Premios y Distinciones

  •   Graduated with honours (cum laude) from PhD programme

    SCUOLA SUPERIORE SANT ANNA PISA

    Italia, 2011

    Graduated with honours (cum laude) from PhD programme on 04.02.2011.

  •   List of students with the best academic excellence

    UNIVERSIDAD TECNICA FEDERICO SANTA MARIA

    Chile, 2005

    Included in the list of students with the best academic excellence at Universidad Técnica Federico Santa María (Chile) from its creation in 2000 until graduation in 2005.

  •   One of the “100 distinguished invited professors” at Guangzhou University

    Guangzhou University

    China, 2018

    Granted with an invited position (2018 – 2021) in the category as one of the “100 distinguished invited professors” at Guangzhou University (Guangzhou, China).

  •   “Ramón y Cajal” Fellowship

    Ministerio de Ciencias e Innovación

    España, 2017

    “Ramón y Cajal” Fellowship (2017) in the framework of the Spanish National Programme for the Promotion of Talent and Its Employability. Selected in the 1st position in the area of “Electronics and Communication Technologies” (fellowship with 8% success rate). Early-ended contract to start tenure-track professorship in Chile.

  •   “Giner de los Rios” Fellowship

    UNIVERSIDAD DE ALCALA

    España, 2019

    “Giner de los Rios” Fellowship for Invited Professors (2019) to carry out a research stay at the Department of Electronic Engineering at Universidad de Alcalá (Madrid, Spain) from February to March 2020.

  •   Ibero-American Fellowship for Young Professors and Researchers

    Banco Santander - Universidades

    Chile, 2018

    Ibero-American Fellowship for Young Professors and Researchers (2018) to carry out a research stay in Spain from January to March 2019 in the framework of the Santander Fellowship Programme.

  •   Best Student Paper Award

    Conference on Optical Fibre Sensors

    Suiza, 2018

    Best Student Paper Award (co-author) in the 26th Conference on Optical Fibre Sensors (2018). Paper entitled “Distributed acoustic impedance measurement based on forward stimulated Brillouin scattering”

  •   Best Paper Award

    European Workshop on Optical Fibre Sensors

    Irlanda, 2016

    Best Paper Award (main author) in the 6th European Workshop on Optical Fibre Sensors (2016). Paper entitled: “Reaching millikelvin resolution in Raman distributed temperature sensing using image processing”

  •   Doctoral Research Scholarship

    SCUOLA SUPERIORE SANT ANNA PISA

    Italia, 2007

    Doctoral Research Scholarship to support foreign doctoral students in Engineering at Scuola Superiore Sant’Anna between 2007 and 2009.

  •   Italian Government Scholarship

    Ministero degli Affari Esteri e della Cooperazione Internazionale

    Italia, 2006

    Italian Government Scholarship to cover research and studies in Italy during the academic year 2006/ 2007, granted by the Italian Ministry of Foreign Affairs.

  •   CONICYT Scholarship

    CONICYT

    Chile, 2008

    Scholarship for Chilean citizens to partially support a PhD degree in a foreign university, granted by the Chilean National Commission for Scientific and Technological Research (Conicyt) from 2008 to 2011.

  •   Postgraduate Scholarship

    UNIVERSIDAD TECNICA FEDERICO SANTA MARIA

    Chile, 2003

    Postgraduate Scholarship to pursue a Master of Science degree in Electronic Engineering at Universidad Federico Santa María, Valparaíso, Chile, from 2003 to 2005.

  •   UTFSM Scholarship

    UNIVERSIDAD TECNICA FEDERICO SANTA MARIA

    Chile, 1999

    UTFSM Scholarship awarded to first-year undergraduate students with high PAA (national university selection test) score entering to Universidad Técnica Federico Santa María, Valparaíso, Chile, in 1999.

  •   Senior Member

    OPTICAL SOCIETY OF AMERICA

    Estados Unidos, 2020

    Senior Member Nomination of the Optical Society of America (OSA), since 2020

  •   Italian Scientific Habilitation

    Ministero dell'Università e della Ricerca Scientifica

    Italia, 2020

    Italian Scientific Habilitation at the level of Associate Professor in the fields of Telecommunications, Electronics and Applied physics. Valid for the period 2020-2029.

  •   World's Top 2% most-cited scientists

    STANFORD UNIVERSITY

    Estados Unidos, 2020

    Listed among the World's Top 2% most-cited scientists in all disciplines by Stanford University (Nov. 2020)


 

Article (108)

High-Order Polynomial Fitting Assistance for Fast Double-Peak Finding in Brillouin-Distributed Sensing
Liquid Flow Meter by Fiber-Optic Sensing of Heat Propagation
Swelling-Based Distributed Chemical Sensing with Standard Acrylate Coated Optical Fibers
Common-Path Dual-Comb Spectroscopy Using a Single Electro-Optic Modulator
Distributed acoustic sensing for seismic activity monitoring
Evaluating Phase Errors in Phase-Sensitive Optical Time-Domain Reflectometry based on I/Q Demodulation
Genetic-optimised aperiodic code for distributed optical fibre sensors
High-Resolution Chirped-Pulse phi-OTDR by Means of Sub-Bands Processing
Spectral Properties of the Signal in Phase-Sensitive Optical Time-Domain Reflectometry With Direct Detection
Study on the signal-to-noise ratio of Brillouin optical-time domain analyzers
Alternating strain response of fibre Bragg grating sensors embedded into carbon fibre composites for wind blade health monitoring
Analysis and Reduction of Large Errors in Rayleigh-Based Distributed Sensor
Boosting the spatial resolution in chirped pulse phi-OTDR using sub-band processing
Distributed modular temperature-strain sensor based on optical fiber embedded in laminated composites
High-resolution distributed shape sensing using phase-sensitive optical time-domain reflectometry and multicore fibers
JLT Special Issue on OFS-26
Measuring the Two-Dimensional Temperature Profile of Carbon Fiber Reinforced Polymers During Drilling Using Distributed Fiber Sensing
Optimizing the signal-to-noise ratio for direct-detection BOTDA
Reducing Residual Strain in Fiber Bragg Grating Temperature Sensors Embedded in Carbon Fiber Reinforced Polymers
Brillouin Distributed Optical Fiber Sensor Based on a Closed-Loop Configuration
Design rules for optimizing unipolar coded Brillouin optical time-domain analyzers
Distributed forward Brillouin sensor based on local light phase recovery
Hybrid Golay-coded Brillouin optical time-domain analysis based on differential pulses
Impact of the Fiber Coating on the Temperature Response of Distributed Optical Fiber Sensors at Cryogenic Ranges
Local activation of surface and hybrid acoustic waves in optical microwires
Optimizing Image Denoising for Long-Range Brillouin Distributed Fiber Sensing
All-optical flip-flops based on dynamic Brillouin gratings in fibers
Analytical expression and experimental validation of the Brillouin gain spectral broadening at any sensing spatial resolution
Characterization of dynamic strain induced by drilling carbon fiber reinforced polymers using optical frequency-domain reflectometry
Demonstration of distributed shape sensing based on Brillouin scattering in multi-core fibers
Discrimination of temperature and strain by combined refractive index and birefringence measurements using coherent Rayleigh sensing
Frequency-domain Technique to Measure the Inertial Response of Forward Stimulated Brillouin Scattering for Acoustic Impedance Sensing
Highly-sensitive distributed birefringence measurements based on a two-pulse interrogation of a dynamic Brillouin grating
Image and video denoising for distributed optical fibre sensors
Polarisation pulling in Brillouin optical time-domain analysers
Resolving 1 million sensing points in an optimized differential time-domain Brillouin sensor
Temperature sensitivity enhancement in a standard optical fiber with double coatings at low temperature
Temperature-strain discrimination in distributed optical fiber sensing using phase-sensitive optical time-domain reflectometry
Characterisation of an electrical heating method for metallic-coated optical fibres for distributed sensing applications
Distributed shape sensing using Brillouin scattering in multi-core fibers
Evaluation of the accuracy of BOTDA systems based on the phase spectral response
Gain vs phase in BOTDA setups
Going beyond 1000000 resolved points in a Brillouin distributed fiber sensor: theoretical analysis and experimental demonstration
Increasing robustness of bipolar pulse coding in Brillouin distributed fiber sensors
Intensifying the response of distributed optical fibre sensors using 2D and 3D image restoration
Novel scanning method for distortion-free BOTDA measurements
Novel technique for distributed fibre sensing based on coherent Rayleigh scattering measurements of birefringence
Optimal detection bandwidth for phase-sensitive optical time-domain reflectometry
Reaching millikelvin resolution in Raman distributed temperature sensing using image processing
Sub-metric spatial resolution over an extended range using differential time-domain Brillouin sensing
200 km fiber-loop Brillouin distributed fiber sensor using bipolar Golay codes and a three-tone probe
Analytical model and experimental verification of the critical power for modulation instability in optical fibers
Differential chirped-pulse pair for sub-meter spatial resolution Brillouin distributed fiber sensing
Distributed phase birefringence measurements based on polarization correlation in phase-sensitive optical time-domain reflectometers
Intensifying Brillouin distributed fibre sensors using image processing
Mitigation of modulation instability in Brillouin distributed fiber sensors by using orthogonal polarization pulses
Reaching the ultimate performance limit given by non-local effects in BOTDA sensors
Sources of noise in Brillouin optical time-domain analyzers
Enhanced response in Brillouin distributed optical fibre sensors by simultaneous time and frequency pump multiplexing
Extending the Real Remoteness of Long-Range Brillouin Optical Time-Domain Fiber Analyzers
Going beyond limits in Brillouin distributed fibre sensors: challenges and possible approaches
MilliKelvin resolution in cryogenic temperature distributed fibre sensing based on coherent Rayleigh scattering
Modelling the depletion length induced by modulation instability in distributed optical fibre sensors
Power evolution along phase-sensitive parametric amplifiers: an experimental survey
Time and frequency pump-probe multiplexing to enhance the signal response of Brillouin optical time-domain analyzers
Towards 1'000'000 resolved points in a distributed optical fibre sensor
Bipolar optical pulse coding for performance enhancement in BOTDA sensors
Brillouin distributed fibre sensing using phase modulated probe
Colour Simplex coding for Brillouin distributed sensors
Mitigating modulation instability in Brillouin distributed fibre sensors
Modeling and evaluating the performance of Brillouin distributed optical fiber sensors
Optical sinc-shaped Nyquist pulses of exceptional quality
Study of Raman amplification in DPP-BOTDA sensing employing Simplex coding for sub-meter scale spatial resolution over long fiber distances
Time gated phase-correlation distributed Brillouin fibre sensor
Bipolar pulse coding for enhanced performance in Brillouin distributed optical fiber sensors
Brillouin optical time-domain analysis over a 240 km-long fiber loop with no repeater
Double-pulse Brillouin distributed optical fiber sensors: analytical model and experimental validation
Hybrid BOTDA/FBG sensor for discrete dynamic and distributed static strain/temperature measurements
Impact of Loss Variations on Double-Ended Distributed Temperature Sensors Based on Raman Anti-Stokes Signal Only
Integrated hybrid Raman/fiber Bragg grating interrogation scheme for distributed temperature and point dynamic strain measurements
Optimization of a DPP-BOTDA sensor with 25 cm spatial resolution over 60 km standard single-mode fiber using Simplex codes and optical pre-amplification
Raman-assisted DPP-BOTDA sensor employing Simplex coding with sub-meter scale spatial resolution over 93 km standard SMF
Rating the performance of a Brillouin distributed fiber sensor
Simplex-Coded BOTDA Sensor Over 120-km SMF With 1-m Spatial Resolution Assisted by Optimized Bidirectional Raman Amplification
Time/frequency coding for Brillouin distributed sensors
BOTDA sensor with 2-m spatial resolution over 120 km distance using bi-directional distributed Raman amplification
Distributed optical fiber temperature sensor using only anti-Stokes Raman scattering light in a loop configuration
High-Performance Raman-Based Distributed Fiber-Optic Sensing Under a Loop Scheme Using Anti-Stokes Light Only
Long-range simplex-coded BOTDA sensor over 120 km distance employing optical preamplification
Optimization of long-range BOTDA sensors with high resolution using first-order bi-directional Raman amplification
Raman-based distributed temperature sensor with 1 m spatial resolution over 26 km SMF using low-repetition-rate cyclic pulse coding
Analysis of pulse modulation format in coded BOTDA sensors
Impact of the pulse modulation format on distributed BOTDA sensors based on Simplex coding
Long-range Brillouin optical time-domain analysis sensor employing pulse coding techniques
Optical pulse coding in hybrid distributed sensing based on Raman and Brillouin scattering employing Fabry-Perot lasers
Simplex-coded BOTDA fiber sensor with 1 m spatial resolution over a 50 km range
Simultaneous distributed strain and temperature sensing based on combined Raman-Brillouin scattering using Fabry-Perot lasers
SNR enhancement of Raman-based long-range distributed temperature sensors using cyclic Simplex codes
Distributed optical fibre sensors based on spontaneous Brillouin scattering employing multimode Fabry-Perot lasers
Enhanced Simultaneous Distributed Strain and Temperature Fiber Sensor Employing Spontaneous Brillouin Scattering and Optical Pulse Coding
Fiber-Optic Distributed Sensor Based on Hybrid Raman and Brillouin Scattering Employing Multiwavelength Fabry-Perot Lasers
Analysis of optical pulse coding in spontaneous Brillouin-based distributed temperature sensors
Brillouin-based distributed temperature sensor employing pulse coding
Redistribution of pump power and impairments in gain-equalized distributed fiber Raman amplifiers due to four-wave mixing and parametric amplification
Analysis of distributed temperature sensing based on Raman scattering using OTDR coding and discrete Raman amplification
Distributed temperature sensor system based on Raman scattering using correlation-codes
High performance and highly reliable Raman-based distributed temperature sensors based on correlation-coded OTDR and multimod graded-index fibers
PUMP-PUMP FOUR-WAVE MIXING IN DISTRIBUTED FIBER RAMAN AMPLIFIERS

BookSection (3)

Distributed Brillouin Sensing: Time-Domain Techniques
Distributed Raman Sensing
Raman-based distributed optical fiber temperature sensors: industrial applications and future developments

ConferencePaper (67)

Brillouin distributed fibre sensing
Optical Frequency-Domain Reflectometry for Monitoring Carbon Fiber Reinforced Polymer Structures
3D Ultrasound Imaging of Drilling-Induced Delamination in Composite Laminates
Design rules for Unipolar Unicolor Coded Brillouin Optical Time Domain Analysis
Distributed Acoustic Impedance Measurement Based On Forward Stimulated Brillouin Scattering
Distributed Brillouin optical fibre sensing with a 100-fold reduced measurement time
High Resolution Drilling-induced Temperature Mapping of CFRP Laminates Using a Fully Distributed Optical Fiber Sensor
High Signal-to-Noise Ratio Stimulated Brillouin Scattering Gain Spectrum Measurement
High-Performance Optical Fibre Sensing
High-Resolution Distributed Differential Curvature Measurement Based on Phase-Sensitive Optical Time Domain Reflectometry and Multi-Core Fiber
Hybrid Coding Scheme for Brillouin Optical Time-domain Analysis Based on Golay and Differential Pulses
Impact of Fitting and Digital Filtering on Signal-to-Noise Ratio and Brillouin Frequency Shift Uncertainty of BOTDA Measurements
Investigation of Temperature Performance of Silica Gel Covered Flexible Array Optical Fiber Temperature Probe
Monitoring of the Drilling-Induced Temperature Profile in CFRP Plates Using Distributed Optical Fiber Sensing
Rayleigh-Based Distributed Optical Fiber Sensing Using Least Mean Square Similarity
Thermal and Residual Strain Response of an FBG-Based Temperature Sensor Embedded in Carbon Fiber Reinforced Composites
All‐optical flip‐flops based on dynamic Brillouin gratings
Closed-loop Controlled Brillouin Optical Time-Domain Analysis
Distributed sensing of drilling-induced dynamic strain in carbon fiber reinforced polymers using optical frequency-domain reflectometry
Locating Auxiliary Elastic Resonances in Silica Microwires
Smart design for temperature-strain measurement using distributed fiber-optic embedded in laminated composites
Curvature and shape distributed sensing using Brillouin scattering in multi-core fibers
Novel Concepts and Recent Progress in Distributed Optical Fiber Sensing
Optimization of Detection Schemes in BOTDA
Overcoming high-resolution limitations in optimized long range BOTDA sensors
Brillouin distributed fiber sensing at ultra-high spatial resolution
Mapping the Uniformity of Optical Microwires Using Phase-Correlation Brillouin Distributed Measurements
Performance limit of two-pump Brillouin fiber sensors obtained by Manakov modulation instability
Random Telegraph Signal vs Random Binary Sequence for Suppressing the Stimulated Brillouin Backscattering
1’000’000 resolved points along a Brillouin distributed fibre sensor
Brillouin distributed fiber sensors: Practical limitations and guidelines for the making of a good sensor
Differential Pulse-Width Pair Brillouin Optical Time-Domain Analysis Employing Raman Amplification and Optical Pulse Coding
Distributed birefringence measurements using polarisation correlation in phase-sensitive OTDR
Distributed Measurement of Signal Power Evolution in a Phase Sensitive Parametric Amplifier
Effect of Dispersion Fluctuations on Longitudinal Gain Evolution in Phase-Sensitive Parametric Amplifiers
Minimizing distortion and enlarging group delay in Brillouin slow light systems by gain profile optimization
The Making of a Good Brillouin Distributed Fiber Sensor
Advanced Pulse Coding Techniques for Distributed Optical Fiber Sensors
Generation of Nyquist sinc pulses using intensity modulators
Highly Sensitive Dispersion Map Extraction from Highly Nonlinear Fibers Using BOTDA Probing of Parametric Amplification
Highly tunable method to generate sinc-shaped Nyquist pulses from a rectangular frequency comb
Mapping Dispersion Fluctuations along Optical Fibers Using Brillouin Probing and a Fast Analytic Calculation
Optical Nyquist-pulse generation with a power difference to the ideal sinc-shape sequence of < 1%
Optical sinc-shaped Nyquist pulses with very low roll-off generated from a rectangular frequency comb
Enhanced-performance BOTDA sensing through optimized pulse coding and low-RIN bidirectional Raman amplification
Long-range distributed strain and temperature sensor based on Brillouin optical time-domain analysis employing Raman amplification and Simplex coding
Advanced cyclic coding technique for long-range Raman DTS systems with meter-scale spatial resolution over standard SMF
Long-range BOTDA sensing using optical pulse coding and single source bi-directional distributed Raman amplification
Long-Range Distributed Strain and Temperature Sensing with 40-cm Spatial Resolution Based on DPP-BOTDA Employing Optical Pre-Amplification and Simplex Coding
Study of long-range distributed sensors based on Brillouin optical time-domain analysis employing bi-directional Raman amplification
40 km long-range Raman-based distributed temperature sensor with meter-scale spatial resolution
Enhanced distributed hybrid sensor based on Brillouin and Raman scattering combining Fabry-Perot lasers and optical pulse coding
Distributed strain and temperature sensing over 50 km of SMF with 1 m spatial resolution employing BOTDA and optical pulse coding
Enhanced long-range distributed strain and temperature sensing using BOTDA and optical pulse coding
Fabry-Perot Lasers in Simultaneous Strain and Temperature Brillouin-based Distributed Sensin
Per-band link control transients protection in distributed fiber Raman amplifier cascades
Performance improvement in Brillouin-based simultaneous strain and temperature sensors employing pulse coding in coherent detection schemes
Use of Fabry-Pérot lasers for simultaneous distributed strain and temperature sensing based on hybrid Raman and Brillouin scattering
30-km spontaneous-Brillouin distributed temperature sensor employing Simplex-coding and low optical input power
A Comprehensive Mathematical Model for Evaluating Four Wave Mixing in Distributed Fiber Raman Amplifiers
Analysis of Brillouin-Based Distributed Fiber Sensors Using Optical Pulse Coding
Optical Pulse Coding Applied to Distributed Temperature Sensor Using Coherent Detection of Spontaneous Brillouin Frequency Shift
Optical pulse coding applied to distributed temperature sensors using spontaneous Brillouin scattering
Optimizing the Number and Location of Amplifiers in WDM Optical Networks LAN / MAN Using Evolutionary Techniques
Four wave mixing effects in gain-equalized distributed fiber Raman amplifiers
Impairments in Gain-Equalized Distributed Fiber Raman Amplifiers due to Four-Wave Mixing and Parametric Amplification Processes
Pulse Propagation in Optical Fibers

Patent (6)

A method for reducing noise in measurements taken by a distributed sensor
Method and apparatus for measuring the local birefringence along an optical waveguide
Optical process and optical device, allowing to avoid unwanted nonlinear effects in an optical fiber
System and method for producing optical sinc-shaped pulses
Apparato di Misura
Optoelectronic measuring apparatus for distributed physical characteristic

Proyecto (38)

Enabling time-reduced freeze-drying processing: novel combination of optical fiber technology, CO2-laser micro-perforation and aggressive processing through optimal control
Prototipo de un sensor acústico distribuido en fibra óptica para el monitoreo y detección temprana de movimientos sísmicos utilizando herramientas de inteligencia artificial
Analizador de espectros ópticos complejos de alta resolución para mediciones de intensidad, fase y polarización de señales ópticas.
Analizador de espectros ópticos complejos de alta resolución para mediciones de intensidad, fase y polarización de señales ópticas
Proyecto industrial
Sensores distribuidos de fibra óptica
Cutting-edge technologies for distributed sensors (CUTS)
Cutting-edge technologies for distributed sensors (CUTS)
Novel optical subsystems based on Nyquist pulses
Development of Distributed Optical Fibre Sensing for Space Applications
Development of Distributed Optical Fibre Sensing for Space Applications
Novel optical subsystems based on Nyquist pulses
All-optical dynamic filtering in optical fibres
All-optical dynamic filtering in optical fibres
OASIS - Opto-acoustic microwires
OASIS - Opto-acoustic microwires
Investigation of distributed sensing techniques based on fibre optic technology and their applicability to ITER for leak localisation
Investigation of distributed sensing techniques based on fibre optic technology and their applicability to ITER for leak localisation
All-optical control of the timing of light in fibres
All-optical control of the timing of light in fibres
Implementation of innovative techniques extending the features of Brillouin fibre optics sensors
Implementation of innovative techniques extending the features of Brillouin fibre optics sensors
Novel and Reliable Optical Fibre Sensor Systems for Future Security and Safety Applications (OFSeSa)
Novel and Reliable Optical Fibre Sensor Systems for Future Security and Safety Applications (OFSeSa)
Testing, placement and verification in-field of a fiber optic system for fire detection in railway tunnels
Testing, placement and verification in-field of a fiber optic system for fire detection in railway tunnels
Design, realization and characterization of Raman and Brillouin based distributed fiber optic temperature sensors
Development of low-cost and high-performance distributed temperature sensors based on Raman scattering and coded OTDR
Development of low-cost and high-performance distributed temperature sensors based on Raman scattering and coded OTDR
Design, realization and characterization of Raman and Brillouin based distributed fiber optic temperature sensors
Análisis, simulación y diseño experimental de Amplificación Distribuida Raman en Redes Ópticas WDM
Mediciones indoor y outdoor de fading temporal en sistemas inalámbricos, operando a 2,4 GHz
Mediciones indoor y outdoor de fading temporal en sistemas inalámbricos, operando a 2,4 GHz
Redes Ópticas para Internet del Futuro – Proyecto FONDEF D00I1026
Redes ópticas para internet del futuro
Advanced interrogation and signal processing methods for distributed acoustic sensing with enhanced capabilities
Boundary Control of Mechanical Vibrations Based on Optical Fiber Sensing
Distributed optical fibre sensing system for monitoring quasi-dynamic strain in wind turbine blades
211
Marcelo Soto

Profesor Auxiliar

Electrónica

Universidad Técnica Federico Santa María

Valparaíso, Chile

16
Miguel González

Catedrático

Electrónica

Universidad de Alcalá

Alcalá de Henares, España

11
Sonia Martin

Profesor Titular de Universidad

Departamento de Electrónica

Universidad de Alcalá

Alcalá de Henares, España

5
Jaime Ramirez

Socio Fundador

NovelCode SpA

Viña del Mar, Chile

2
Ricardo Olivares

Director

Electrónica

Universidad Tecnica Federico Santa María

Valparaíso, Chile