Prof. Joel Villatoro Profile

Prof. Joel Villatoro

Research Professor at Univ del País Vasco UPV/EHU

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Profile Summary

Professor Joel Villatoro received the M.Sc. and Ph.D. degrees in optics from the National Institute for Astrophysics, Optics, and Electronics, Puebla, Mexico, in 1995 and 1999, respectively. He is currently Ikerbasque Research Professor at the Faculty of Engineering of the University of the Basque Country UPV/EHU. Prior to that, he was Research Fellow in Industrial Photonics at Aston Institute of Photonic Technologies, Birmingham, UK, Ramon y Cajal Researcher at the world-famous ICFO –Institute of Photonic Sciences, Barcelona, Spain, and Research Scientist at the Centro de Investigaciones en Optica A.C., Leon, Mexico. He is the author of 125 scientific publications and of 7 patents, and has supervised or co-supervised 3 Master, 5 PhD students, and 2 Post-doctoral FellowS. His contributions to his field are acknowledged as he has a growing number of citations (+4600 citations until now), an h-factor of 39 and has given around 25 invited talks at international events. He has been PI of several research projects related to optical sensing and fibre devices.

Publications (32)

Proceedings Article | 20 June 2024 Paper

Paper

Gold-coated multicore fiber interferometer for biosensing

T. Zhu, F. Chiavaioli, J. Villatoro, K. Chah, C. Caucheteur

Proceedings Volume 12999, 129992H (2024) https://doi.org/10.1117/12.3017593

KEYWORDS: Multicore fiber, Interferometers, Biosensing, Gold, Single mode fibers, Sensors, Fabry Perot interferometers, Antibodies, Refractive index, Polarization

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Proceedings Article | 23 May 2023 Paper

Paper

Extrinsic fiber Fabry-Perot interferometer for measuring the refractive index of waveguides inscribed in glass

Monserrat Alonso-Murias, Astrid Saldaña-Sánchez, Gloria Verónica Vázquez, Joel Villatoro, David Monzón-Hernández

Proceedings Volume 12643, 126432N (2023) https://doi.org/10.1117/12.2678186

KEYWORDS: Waveguides, Refractive index, Multicore fiber, Reflection, Glasses, Fabry–Perot interferometry, Light wave propagation, Laser scanners, Fabry–Perot interferometers, Fabry Perot interferometers

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Proceedings Article | 23 May 2023 Paper

Paper

Investigation of polarization dependence on gold-coated multicore fiber interferometer

Tianbo Zhu, Karima Chah, Francesco Chiavaioli, Joel Villatoro, Christophe Caucheteur

Proceedings Volume 12643, 126431P (2023) https://doi.org/10.1117/12.2678099

KEYWORDS: Multicore fiber, Polarization, Fabry Perot interferometers, Gold, Dielectric polarization, Interferometers, Single mode fibers, Refractive index, Sensors, Polarized light

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Proceedings Article | 20 May 2022 Presentation

Presentation

Dual-parameter sensing with a multicore fiber interferometer

Jose Flores-Bravo, Joseba Zubia, Joel Villatoro

Proceedings Volume PC12139, PC121390B (2022) https://doi.org/10.1117/12.2621030

KEYWORDS: Interferometers, Refractive index, Sensors, Optical fibers, Thermal optics, Single mode fibers, Polymers, Liquids, Fusion splicing, Fiber optics sensors

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Proceedings Article | 5 March 2021 Presentation

Presentation

Plasmon resonance energy-transfer-based fiber-optic platform for ultrasensitive sensing

Alba Calatayud-Sanchez, Raquel Catalan-Carrio, Ángel Ortega, Javier Barroso Lázaro, Joseba Zubia, Fernando Benito Lopez, Joel Villatoro, Lourdes Basabe

Proceedings Volume 11690, 116900G (2021) https://doi.org/10.1117/12.2582769

KEYWORDS: Resonance energy transfer, Plasmons, Sensors, Nanoparticles, Fiber optics, Gold, Optical fibers, Plasmonics, Microfluidics, Spectroscopy

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Proceedings Article | 15 April 2019 Presentation + Paper

Presentation + Paper

Strongly coupled multi-core fiber-based interferometer for high temperature sensing

Josu Amorebieta, Gaizka Durana, Angel Ortega-Gomez, Rubén Fernández, Javier Velasco, Idurre Sáez de Ocáriz, Joseba Zubia, Enrique Antonio-Lopez, Axel Schülzgen, Rodrigo Amezcua-Correa, Joel Villatoro

Proceedings Volume 11029, 110290R (2019) https://doi.org/10.1117/12.2520711

KEYWORDS: Sensors, Temperature metrology, Calibration, Interferometers, Single mode fibers, Optical fibers, Interferometry, Environmental sensing, Thermometry, Photonic microstructures

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Proceedings Article | 11 April 2019 Paper

Paper

Multi-application miniature fiber optic interferometer

Oskar Arrizabalaga, Joseba Zubia, Idurre Sáez de Ocáriz, Joel Villatoro

Proceedings Volume 11028, 110280C (2019) https://doi.org/10.1117/12.2522175

KEYWORDS: Single mode fibers, Polymers, Sensors, Interferometers, Refractive index, Humidity, Fiber optics sensors, Calibration, Interferometry, Interfaces

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Proceedings Article | 4 March 2019 Presentation

Presentation

Fiber optic sensing of copper ions in water based on plasmon resonance transfer energy (Conference Presentation)

Ángel Ortega, Javier Barroso , Joseba Zubia, Fernando Benito, Joel Villatoro, Lourdes Basabe

Proceedings Volume 10894, 108940K (2019) https://doi.org/10.1117/12.2508520

KEYWORDS: Ions, Plasmons, Copper, Fiber optics sensors, Nanoparticles, Metals, Plasmonics, Optical sensing, Light scattering, Microscopy

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Proceedings Article | 22 August 2017 Paper

Paper

Special microstructured fibers with irregular and regular claddings for supercontinuum generation

Vladimir Minkovich, M. Vaca Pereira G., Joel Villatoro, Alexander Sotsky, Maria Asunción Illarramendi, Joseba Zubia

Proceedings Volume 10453, 104530R (2017) https://doi.org/10.1117/12.2271838

KEYWORDS: Optical fibers, Cladding, Supercontinuum generation, Nonlinear optics, Optical design, Structured optical fibers, Femtosecond phenomena, Visualization, Dispersion

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Proceedings Article | 30 May 2016 Paper

Paper

Contactless optical fiber refractive index sensor for liquid and solid samples

Carlos Moreno-Hernández, D. Monzón-Hernández, Joel Villatoro

Proceedings Volume 9916, 99161A (2016) https://doi.org/10.1117/12.2236554

KEYWORDS: Glasses

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Proceedings Article | 30 May 2016 Paper

Paper

Sensitive interferometric force sensor based on multicore optical fibre

J. Villatoro, A. van Newkirk, E. Antonio-Lopez, J. Zubia, A. Schülzgen, R. Amezcua-Correa

Proceedings Volume 9916, 99161P (2016) https://doi.org/10.1117/12.2235404

KEYWORDS: Sensors, Single mode fibers, Signal attenuation, Mechanical sensors, Electromagnetism, Polarimetry, Specialty optical fibers, Fiber optics sensors, Interferometers, Fiber Bragg gratings, Fiber optics, Fusion splicing, Photonics

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Proceedings Article | 27 April 2016 Paper

Paper

Supersensitive sensors based on multicore optical fibres

Joel Villatoro, Enrique Antonio-Lopez, Amy Van Newkirk, Joseba Zubia, Axel Schülzgen, Rodrigo Amezcua-Correa

Proceedings Volume 9886, 98860E (2016) https://doi.org/10.1117/12.2224957

KEYWORDS: Sensors, Optical fibers, Specialty optical fibers, Photonic microstructures, Polymeric sensors, Interferometers, Interferometry, Refractive index, Light emitting diodes

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Proceedings Article | 22 June 2015 Paper

Paper

Evaluation of the vibrational behaviour of a rotating disk by optical tip-clearance measurements

Iker García, Joseba Zubia, Josu Beloki, Jon Arrue, Joel Villatoro

Proceedings Volume 9525, 95251Z (2015) https://doi.org/10.1117/12.2185273

KEYWORDS: Sensors, Optical sensors, Neodymium, Optical testing, Optical fibers, Prototyping, Signal processing, Wind measurement, Photodetectors, Distance measurement

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Proceedings Article | 2 June 2014 Paper

Paper

Dual-optical-response photonic crystal fibre interferometer for multi-parameter sensing

Joel Villatoro, Vladimir Minkovich, Joseba Zubia

Proceedings Volume 9157, 91577J (2014) https://doi.org/10.1117/12.2058763

KEYWORDS: Interferometers, Sensors, Visibility, Photonic crystal fibers, Optical fibers, Single mode fibers, Fusion splicing, Refractive index, Fiber optics sensors, Modulation

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SPIE Journal Paper | 23 March 2012 Open Access

Open Access

Microstructured optical fiber interferometric breathing sensor

Fernando Fávero, Valerio Pruneri, Joel Villatoro

JBO, Vol. 17, Issue 03, 037006, (March 2012) https://doi.org/10.1117/12.10.1117/1.JBO.17.3.037006

KEYWORDS: Sensors, Interferometers, Interferometry, Cladding, Reflection, Single mode fibers, Structured optical fibers, Optical fibers, Fusion splicing, Fiber optics sensors

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Proceedings Article | 6 December 2011 Paper

Paper

Functional photonic crystal fiber sensing devices

Joel Villatoro, Vittoria Finazzi, Valerio Pruneri

Proceedings Volume 8307, 83071E (2011) https://doi.org/10.1117/12.902451

KEYWORDS: Sensors, Single mode fibers, Photonic crystal fibers, Fusion splicing, Refractive index, Interferometers, Optical fibers, Cladding, Reflection, Liquids

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Proceedings Article | 26 October 2011 Paper

Paper

High-visibility photonic crystal fiber interferometer for ultrasensitive refractometric sensing

Guillermo Cárdenas-Sevilla, Fernando Fávero, Vittoria Finazzi, Joel Villatoro, Valerio Pruneri

Proceedings Volume 8011, 80114K (2011) https://doi.org/10.1117/12.901942

KEYWORDS: Interferometers, Refractive index, Sensors, Optical fibers, Photonic crystal fibers, Cladding, Single mode fibers, Fiber optics sensors, Fusion splicing, Interferometry

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Proceedings Article | 18 May 2011 Paper

Paper

Performance of a high-temperature sensor based on regenerated fiber Bragg gratings

D. Barrera, V. Finazzi, J. Villatoro, S. Sales, V. Pruneri

Proceedings Volume 7753, 775381 (2011) https://doi.org/10.1117/12.885927

KEYWORDS: Sensors, Packaging, Fiber Bragg gratings, Ceramics, Metals, Fiber optics sensors, Annealing, Temperature metrology, Temperature sensors, Optical fibers

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Proceedings Article | 14 October 2010 Paper

Paper

Photonic-crystal and optical micro/nano fiber interferometric sensors

Joel Villatoro, Vittoria Finazzi, G. Cárdenas-Sevilla, Valerio Pruneri

Proceedings Volume 7839, 78390H (2010) https://doi.org/10.1117/12.868224

KEYWORDS: Interferometers, Microfluidics, Fiber optics sensors, Photonic crystal fibers, Sensors, Single mode fibers, Biosensing, Refractive index, Photonic microstructures, Interferometry

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Proceedings Article | 14 October 2010 Paper

Paper

Hydrogen sensing with optical microfibers coated with Pd/Au nanoparticles

David Monzón-Hernández, Donato Luna-Moreno, Dalia Martínez-Escobar, Joel Villatoro

Proceedings Volume 7839, 78390I (2010) https://doi.org/10.1117/12.867924

KEYWORDS: Hydrogen, Nanoparticles, Sensors, Palladium, Light scattering, Waveguides, Gold, Annealing, Composites, Scattering

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Proceedings Article | 14 May 2010 Paper

Paper

Evaluation of serial multiplexed photonic crystal fiber interferometric sensors

David Barrera, Joel Villatoro, Vittoria Finazzi, Salvador Sales, Valerio Pruneri

Proceedings Volume 7726, 77260S (2010) https://doi.org/10.1117/12.854630

KEYWORDS: Sensors, Interferometers, Multiplexing, Spatial frequencies, Fourier transforms, Interferometry, Photonic crystal fibers, Fiber optics sensors, Sensor networks, Intermodulation

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Proceedings Article | 5 October 2009 Paper

Paper

Highly versatile in-reflection photonic crystal fibre interferometer

Rajan Jha, Joel Villatoro, Mark Kreuzer, Vittoria Finazzi, Valerio Pruneri

Proceedings Volume 7503, 750356 (2009) https://doi.org/10.1117/12.835390

KEYWORDS: Interferometers, Refractive index, Photonic crystal fibers, Optical fibers, Single mode fibers, Cladding, Biosensing, Gases, Liquids, Fusion splicing

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Proceedings Article | 28 April 2009 Paper

Paper

Photonic crystal fiber modal interferometers for accurate refractometry

J. Villatoro, R. Jha, G. Badenes

Proceedings Volume 7316, 73161B (2009) https://doi.org/10.1117/12.818266

KEYWORDS: Interferometers, Photonic crystal fibers, Refractive index, Single mode fibers, Cladding, Sensors, Optical fibers, Refractometry, Liquids, Fiber optics

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Proceedings Article | 28 April 2009 Paper

Paper

High-sensitivity photonic crystal fiber interferometer for chemical vapors detection

Joel Villatoro, Mark Kreuzer, Rajan Jha, Vladimir Minkovich, Vittoria Finazzi, Gonçal Badenes, Valerio Pruneri

Proceedings Volume 7316, 73161A (2009) https://doi.org/10.1117/12.818265

KEYWORDS: Interferometers, Optical fibers, Photonic crystal fibers, Molecules, Liquids, Waveguides, Light emitting diodes, Refractive index, Spectroscopy, Gases

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Proceedings Article | 2 July 2007 Paper

Paper

All-optical fiber hydrogen sensor based on annealed Pd-Au sensing nanolayers

D. Monzón-Hernández, D. Luna-Moreno, Joel Villatoro, G. Badenes

Proceedings Volume 6619, 66191F (2007) https://doi.org/10.1117/12.738424

KEYWORDS: Hydrogen, Sensors, Single mode fibers, Palladium, Thin films, Gold, Composites, Fiber optics sensors, Optical fibers, Cladding

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Proceedings Article | 22 April 2006 Paper

Paper

Modal interferometer made of microstructured optical fibre for multiparameter sensing

Joel Villatoro, Vladimir Minkovich, D. Monzón-Hernández, G. Badenes

Proceedings Volume 6189, 618906 (2006) https://doi.org/10.1117/12.662239

KEYWORDS: Interferometers, Micro optical fluidics, Sensors, Solids, Optical fibers, Refractive index, Structured optical fibers, Fiber optics sensors, Photonic crystal fibers, Cladding

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Proceedings Article | 10 November 2005 Paper

Paper

Pd-coated fiber optic evanescent field hydrogen sensors

Joel Villatoro, R. Petrick, M. Tabib-Azar, Alex Kazemi

Proceedings Volume 6004, 60040K (2005) https://doi.org/10.1117/12.651477

KEYWORDS: Sensors, Hydrogen, Palladium, Fiber optics sensors, Cladding, Waveguides, Multimode fibers, Fiber optics, Optical fibers, Thin films

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Proceedings Article | 23 May 2005 Paper

Paper

Multiple-peak surface plasmon resonance optical fiber sensor for high resolution refractive index sensing

David Monzon-Hernandez, Donato Luna-Moreno, Joel Villatoro

Proceedings Volume 5855, (2005) https://doi.org/10.1117/12.623650

KEYWORDS: Sensors, Surface plasmons, Refractive index, Polarization, Fiber optics sensors, Metals, Gold, Optical fibers, Optical resolution, Biosensing

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Proceedings Article | 4 November 2004 Paper

Paper

Optimal optical fiber for high spatial resolution in scanning electrochemical and photoelectrochemical microscopy

Jorge Avalos-Martinez, Joel Villatoro, Jorge Flores, Guillermo Garcia-Torales, Maximiliano Barcena-Soto, Norberto Casillas

Proceedings Volume 5543, (2004) https://doi.org/10.1117/12.561579

KEYWORDS: Optical fibers, Spatial resolution, Microscopy, Metals, Etching, Electrodes, Wet etching, Geometrical optics, Waveguides, Optical scanning

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SPIE Journal Paper | 1 April 2003

Sensitivity analysis of angle-sensitive detectors based on a film resonator

Augusto Garcia-Valenzuela, Mary Pena-Gomar, Joel Villatoro

OE, Vol. 42, Issue 04, (April 2003) https://doi.org/10.1117/12.10.1117/1.1554406

KEYWORDS: Resonators, Sensors, Polarization, Diffraction, Prisms, Interfaces, Reflection, Beam splitters, Reflectivity, Signal detection

Proceedings Article | 2 September 1999 Paper

Paper

Sensitivity of (bio)-chemical sensors based on laser-excited surface plasmon resonance

Joel Villatoro, Augusto Garcia-Valenzuela

Proceedings Volume 3878, (1999) https://doi.org/10.1117/12.361280

KEYWORDS: Reflectivity, Sensors, Metals, Surface plasmons, Prisms, Optical sensors, Remote sensing, Refractive index, Dielectrics, Interfaces

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Proceedings Article | 4 December 1998 Paper

Paper

Guided beam deflection method: a novel alternative for designing integrated optical sensors

Joel Villatoro, Augusto Garcia-Valenzuela, Alfonso Serrano-Heredia

Proceedings Volume 3491, (1998) https://doi.org/10.1117/12.328660

KEYWORDS: Sensors, Waveguides, Interferometry, Refractive index, Integrated optics, Optical design, Wave propagation, Gaussian beams, Ions, Modulation

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Showing 5 of 32 publications

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