Prof. Clivia M. Sotomayor-Torres Profile

Prof. Clivia M. Sotomayor-Torres

ICREA Research Professor at ICN2

SPIE Involvement:

Author

Publications (37)

Proceedings Article | 3 October 2022 Presentation

A cavity optomechanical platform for GHz phonon amplification via Anderson-localized optical modes

Ryan Ng, Guillermo Arregui, Guilhem Madiot, Marcus Albrechtsen, Omar Florez, Søren Stobbe, Clivia Sotomayor-Torres, David García

Proceedings Volume PC12198, PC1219810 (2022) https://doi.org/10.1117/12.2632233

KEYWORDS: Phonons, Optomechanical design, Waveguides, Spectroscopes, Silicon, Multiple scattering, Light scattering, Electromagnetism, Backscatter

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Proceedings Article | 24 March 2020 Presentation

Characterization of defects in line/space patterns (Conference Presentation)

Vassilios Constantoudis, Bradley Williams, Nikolaos Kehagias, George Papavieros, Clivia Sotomoyor Torres, Evangelos Gogolides

Proceedings Volume 11325, 113250U (2020) https://doi.org/10.1117/12.2559411

KEYWORDS: Nanostructures, Feature extraction, Nanoimprint lithography, 3D metrology, Process control, Materials processing, Metrology, Error analysis, Scanning electron microscopy, Atomic force microscopy

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Proceedings Article | 26 March 2019 Paper

Defects in nano-imprint lithography line patterns: computational modelling and measurement accuracy

Vassilios Constantoudis, Guy Whitworth, Nikolaos Kehagias, George Papavieros, Clivia Sotomoyor Torres, Evangelos Gogolides

Proceedings Volume 10958, 109581K (2019) https://doi.org/10.1117/12.2523931

KEYWORDS: Scanning electron microscopy, Image processing, Statistical analysis, Modeling, Image segmentation, Nanoimprint lithography, Metrology, Computational modeling, Image acquisition, Computer simulations, Defect inspection

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Proceedings Article | 8 March 2019 Presentation

Recent advances in cavity optomechanics: from chaos and phonon lasing to mechanically-induced synchronization (Conference Presentation)

Alejandro Martínez, Clivia Sotomayor-Torres, Daniel Navarro-Urrios

Proceedings Volume 10927, 109271O (2019) https://doi.org/10.1117/12.2516245

KEYWORDS: Phonons, Chaos, Optomechanical design, Silicon photonics, Crystals, Nonlinear crystals, Photonic crystals, Oscillators, Photons, Transparency

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Proceedings Article | 24 September 2015 Paper

In-line metrology setup for periodic nanostructures based on sub-wavelength diffraction

Martin Kreuzer, Jordi Gomis Bresco, Marianna Sledzinska, Clivia Sotomayor Torres

Proceedings Volume 9628, 96281Q (2015) https://doi.org/10.1117/12.2191346

KEYWORDS: Diffraction gratings, Diffraction, Polymers, Metrology, Scanning electron microscopy, Electron beam lithography, Nanostructures, Optical design, Polymer thin films, Critical dimension metrology

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Proceedings Article | 27 March 2015 Paper

Mapping self-assembled dots and line arrays by image analysis for quantification of defect density and alignment

C. Simão, D. Tuchapsky, W. Khunsin, A. Amann, M. Morris, C. Sotomayor Torres

Proceedings Volume 9423, 942322 (2015) https://doi.org/10.1117/12.2085748

KEYWORDS: Image analysis, Statistical analysis, Scanning electron microscopy, Error analysis, Lithography, Optical alignment, Dimensional metrology, Silicon, Imaging arrays, Directed self assembly

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Proceedings Article | 19 March 2015 Paper

A diffractometer for quality control in nano fabrication processing based on subwavelength diffraction

Martin Kreuzer, Jordi Gomis Bresco, Marianna Sledzinska, Clivia Sotomayor Torres

Proceedings Volume 9424, 942426 (2015) https://doi.org/10.1117/12.2085924

KEYWORDS: Diffraction, Diffraction gratings, Polymers, Polymethylmethacrylate, Scanning electron microscopy, Silicon, Platinum, Nanofabrication, Scattering, Control systems

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Proceedings Article | 25 June 2014 Paper

Nanoimprint-assisted directed self-assembly of low-molecular weight block copolymers: a route for 3D and multilevel nanostructures

C Simão, W. Khunsin, N. Kehagias, A. Francone, M. Zelsmann, M. Morris, C. Sotomayor Torres

Proceedings Volume 9083, 90832S (2014) https://doi.org/10.1117/12.2050181

KEYWORDS: Nanoimprint lithography, Nanostructures, Scanning electron microscopy, Silicon, Thin films, Annealing, Picosecond phenomena, Scattering, Silicon films, Directed self assembly

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Proceedings Article | 28 May 2014 Paper

Order and defectivity nanometrology by image processing and analysis of sub-20 nm BCPs features for lithographic applications

C. Simão, D. Tuchapsky, W. Khunsin, A. Amann, M. Morris, Clivia Sotomayor Torres

Proceedings Volume 9110, 91100R (2014) https://doi.org/10.1117/12.2050182

KEYWORDS: Annealing, Image analysis, Scanning electron microscopy, Error analysis, Lithography, Optical alignment, Statistical analysis, Picosecond phenomena, Silicon, Directed self assembly

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Proceedings Article | 2 April 2014 Paper

Defect analysis and alignment quantification of line arrays prepared by directed self-assembly of a block copolymer

C. Simão, D. Tuchapsky, W. Khunsin, A. Amann, M. Morris, C. Sotomayor Torres

Proceedings Volume 9050, 905028 (2014) https://doi.org/10.1117/12.2046075

KEYWORDS: Silicon, Statistical analysis, Image analysis, Scanning electron microscopy, Annealing, Polymers, Software development, Optical alignment, Picosecond phenomena, Directed self assembly

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Proceedings Article | 9 May 2012 Paper

Enhancement of extraction efficiency in nanoimprinted optical device structures

V. Reboud, C. Sotomayor Torres

Proceedings Volume 8428, 84280B (2012) https://doi.org/10.1117/12.925189

KEYWORDS: Polymers, Nanoimprint lithography, Photonic crystals, Polymer thin films, Organic light emitting diodes, Electrodes, Surface plasmons, Nanoparticles, Crystals, Optical lithography

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Proceedings Article | 18 March 2009 Paper

Physical properties of thin nanoimprint polymer films measured by photo-acoustic metrology

T. Kehoe, J. Bryner, V. Reboud, J. Vollmann, C. Sotomayor Torres

Proceedings Volume 7271, 72711V (2009) https://doi.org/10.1117/12.814162

KEYWORDS: Polymers, Polymer thin films, Photoacoustic spectroscopy, Interfaces, Acoustics, Nanoimprint lithography, Silicon, Polymethylmethacrylate, Metrology, Head-mounted displays

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Proceedings Article | 6 May 2008 Paper

Non-linear effects in luminescence of ZnO inverted opals

W. Khunsin, P. Lovera, G. Redmond, C. Sotomayor Torres, M. Scharrer, L. Aagesen, R. P. Chang, S. Romanov

Proceedings Volume 6989, 69890R (2008) https://doi.org/10.1117/12.780877

KEYWORDS: Zinc oxide, Luminescence, Photonic crystals, Atomic layer deposition, Phonons, Solids, Optical spheres, Crystals, Raman scattering, Raman spectroscopy

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Proceedings Article | 21 April 2008 Paper

Approaching quantitative optical diffraction analysis of crystal lattices in opal films

W. Khunsin, C. Sotomayor Torres, S. Romanov

Proceedings Volume 6989, 69890K (2008) https://doi.org/10.1117/12.780872

KEYWORDS: Diffraction, Crystals, Photonic crystals, Fourier transforms, Optical spheres, Molecular self-assembly, Acoustics, Dispersion, Distortion, Spectroscopy

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Proceedings Article | 3 April 2008 Paper

Improving the opal-based photonic crystals by noise-assisted crystallisation

W. Khunsin, G. Kocher, S. Romanov, C. M. Sotomayor Torres

Proceedings Volume 6793, 67930B (2008) https://doi.org/10.1117/12.799253

KEYWORDS: Crystals, Diffraction, Photonic crystals, Acoustics, Optical spheres, Scanning electron microscopy, Molecular self-assembly, Refractive index, Fabrication, Transmittance

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Proceedings Article | 20 March 2008 Paper

Sub-wavelength optical diffraction and photoacoustic metrologies for the characterisation of nanoimprinted structures

T. Kehoe, J. Bryner, V. Reboud, N. Kehagias, S. Landis, C. Gourgon, J. Vollmann, J. Dual, C. Sotomayor Torres

Proceedings Volume 6921, 69210F (2008) https://doi.org/10.1117/12.772545

KEYWORDS: Diffraction, Diffraction gratings, Polymers, Photoacoustic spectroscopy, Silicon, Nanoimprint lithography, Polymethylmethacrylate, Metrology, Aluminum, Semiconducting wafers

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Proceedings Article | 13 June 2007 Paper

Stochastic resonance in photonic crystal growth

Andreas Amann, Worawut Khunsin, Gudrun Kocher, Clivia Sotomayor Torres, Eoin O'Reilly

Proceedings Volume 6603, 660321 (2007) https://doi.org/10.1117/12.724561

KEYWORDS: Photonic crystals, Stochastic processes, Scanning electron microscopy, Crystals, Photomicroscopy, Optical spheres, Polymethylmethacrylate, Acoustics, Data analysis, Light scattering

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Proceedings Article | 18 April 2006 Paper

Anisotropy of light transmission in thin film opal photonic crystals

S. Romanov, C. Sotomayor Torres

Proceedings Volume 6182, 61820H (2006) https://doi.org/10.1117/12.662621

KEYWORDS: Anisotropy, Polarization, Diffraction, Signal attenuation, Photonic crystals, Crystals, Thin films, Dispersion, Light wave propagation, Optical spheres

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Proceedings Article | 18 April 2006 Paper

Crystallization of silica opals onto patterned silicon wafer

Jianhui Ye, Rudolf Zentel, Sanna Arpiainen, Jouni Ahopelto, Fredrik Jonsson, Sergei Romanov, Clivia Sotomayor Torres

Proceedings Volume 6182, 61821U (2006) https://doi.org/10.1117/12.661660

KEYWORDS: Crystals, Silica, Optical spheres, Silicon, Semiconducting wafers, Reflectivity, Scanning electron microscopy, Photonic crystals, Optical testing, Refractive index

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Proceedings Article | 18 April 2006 Paper

Characterization of opal photonic hetero-crystals by light scattering

S. Romanov, J. Ye, R. Zentel, C. Sotomayor Torres

Proceedings Volume 6182, 61820G (2006) https://doi.org/10.1117/12.662571

KEYWORDS: Light scattering, Diffraction, Scattering, Crystals, Reflectivity, Dispersion, Photonic crystals, Signal attenuation, Interfaces, Photons

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Proceedings Article | 3 June 2005 Paper

Light transport in hetero-opal photonic crystals

S. Romanov, C. Sotomayor Torres, M. Egen, R. Zentel

Proceedings Volume 5825, (2005) https://doi.org/10.1117/12.605210

KEYWORDS: Light scattering, Scattering, Interfaces, Laser scattering, Signal attenuation, Photons, Diffraction, Photonic crystals, Thin films, Radio propagation

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Proceedings Article | 3 June 2005 Paper

Polymer optical devices made by reverse and nanoimprint lithography

Nikolaos Kehagias, Marc Zelsmann, Clivia Sotomayor Torres

Proceedings Volume 5825, (2005) https://doi.org/10.1117/12.605118

KEYWORDS: Polymers, Nanoimprint lithography, Silicon, Fabrication, Waveguides, Optical components, Ultraviolet radiation, Polymer thin films, Photomasks, Reactive ion etching

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Proceedings Article | 3 June 2005 Paper

Directionality of light emission in three-dimensional opal-based photonic crystals

S. Romanov, D. Chigrin, T. Maka, M. Muller, R. Zentel, C. Sotomayor Torres

Proceedings Volume 5825, (2005) https://doi.org/10.1117/12.605155

KEYWORDS: Tin, Photonic crystals, Light sources, Solids, Crystals, Signal attenuation, Molecules, Optical spheres, Anisotropy, Luminescence

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Proceedings Article | 2 June 2005 Paper

Reflectance spectra of metal-dielectric photonic crystals from gold nanoshells

S. Romanov, C. Sotomayor Torres, A. Susha, Z. Liang, F. Caruso

Proceedings Volume 5824, (2005) https://doi.org/10.1117/12.605185

KEYWORDS: Gold, Diffraction, Reflectivity, Dielectrics, Photonic crystals, Optical spheres, Surface plasmons, Nanoparticles, Metals, Dispersion

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Proceedings Article | 15 September 2004 Paper

Light reflectance in opal-based metal-dielectric photonic crystals

Sergei Romanov, Clivia Sotomayor Torres, Andrey Susha, Z. Liang, Frank Caruso

Proceedings Volume 5450, (2004) https://doi.org/10.1117/12.545275

KEYWORDS: Reflectivity, Gold, Diffraction, Optical spheres, Plasmons, Surface plasmons, Dielectrics, Photonic crystals, Metals, Nanoparticles

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Proceedings Article | 15 September 2004 Paper

Light propagation in opal heterojunctions

Sergei Romanov, Dmitry Chigrin, Clivia Sotomayor-Torres, Nikolai Gaponik, Alexander Eychmueller, Andrey Rogach, Marc Egen, Rudolf Zentel

Proceedings Volume 5450, (2004) https://doi.org/10.1117/12.545280

KEYWORDS: Interfaces, Heterojunctions, Diffraction, Reflectivity, Dispersion, Crystals, Photonics, Radio propagation, Photonic crystals, Fabry–Perot interferometers

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Proceedings Article | 13 September 2002 Paper

Microscopic characterization of ablation craters produced by femtosecond laser pulses

Vassili Temnov, Klaus Sokolowski-Tinten, Nikola Stojanovic, Sergei Kudryashov, Dietrich von der Linde, Boris Kogan, Andreas Schlarb, Bastian Weyers, Rolf Moeller, Joerg Seekamp, Clivia Sotomayor-Torres

Proceedings Volume 4760, (2002) https://doi.org/10.1117/12.482062

KEYWORDS: Laser ablation, Scanning electron microscopy, Gallium arsenide, Femtosecond phenomena, Atomic force microscopy, Silicon, Ultrafast phenomena, Laser damage threshold, Semiconductors, Solids

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Proceedings Article | 25 April 2002 Paper

Self-guiding in two-dimensional photonic crystals

Dmitry Chigrin, Stefan Enoch, Cliva Sotomayor-Torres, Gerard Tayeb

Proceedings Volume 4655, (2002) https://doi.org/10.1117/12.463861

KEYWORDS: Photonic crystals, Crystals, Dispersion, Solids, Dielectrics, Laser crystals, Gaussian beams, Radio propagation, Electromagnetism, Wave propagation

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Proceedings Article | 17 April 2000 Paper

Three-dimensional anisotropic photonic crystals working in the visible

Sergei Romanov, Torsten Maka, Cliva Sotomayor-Torres, Manfred Mueller, Rudolf Zentel

Proceedings Volume 3937, (2000) https://doi.org/10.1117/12.382810

KEYWORDS: Photonic crystals, Polymers, Composites, Polymethylmethacrylate, Crystals, Reflectivity, Refractive index, Optical spheres, Dispersion, Silica

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Proceedings Article | 26 May 1994 Paper

Optical processes in quantum dots and wires

Cliva Sotomayor-Torres, Peidong Wang, Nikolai Ledentsov, Yin-Sheng Tang

Proceedings Volume 2141, (1994) https://doi.org/10.1117/12.176842

KEYWORDS: Excitons, Nanostructures, Quantum dots, Quantum wells, Phonons, Luminescence, Gallium arsenide, Optical properties, Etching, Indium arsenide

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Proceedings Article | 11 May 1994 Paper

Room-temperature photoreflectance characterization of process-induced strains in GaAs/Ga0.7Al0.3As quantum dots

Hao Qiang, Fred Pollak, Yin-Sheng Tang, Peidong Wang, Cliva Sotomayor-Torres

Proceedings Volume 2139, (1994) https://doi.org/10.1117/12.175719

KEYWORDS: Quantum dots, Gallium arsenide, Reactive ion etching, Semiconductors, Spectroscopy, Nanostructures, Modulation, Raman spectroscopy, Quantum wells, Quantum dot lasers

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Proceedings Article | 3 September 1992 Paper

Pressure dependence of photoluminescence in CdTe/CdMnTe quantum wells

Hai-Ping Zhou, Cliva Sotomayor-Torres, B. Lunn, D. Ashenford

Proceedings Volume 1675, (1992) https://doi.org/10.1117/12.137609

KEYWORDS: Quantum wells, Superlattices, Magnetism, Luminescence, Physics, Electronics, Semiconductors, Manganese, Solids, Excitons

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Proceedings Article | 3 September 1992 Paper

Optical properties of a type-II GaAs/GaP strained-layer superlattice

Hai-Ping Zhou, Cliva Sotomayor-Torres

Proceedings Volume 1675, (1992) https://doi.org/10.1117/12.137607

KEYWORDS: Superlattices, Luminescence, Gallium arsenide, Electrons, Optical properties, Electronics, Quantum wells, Physics, Information technology, Molecular beam epitaxy

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Proceedings Article | 2 September 1992 Paper

Photoluminescence and Raman scattering studies of GaAs-AlGaAs quantum dots

Peidong Wang, Cliva Sotomayor-Torres, H. McLelland, Stephen Thoms, Steven Beaumont, Chris Wilkinson, Alistair Kean, C. Stanley, H. Benisty, Claude Weisbuch

Proceedings Volume 1676, (1992) https://doi.org/10.1117/12.137657

KEYWORDS: Phonons, Luminescence, Gallium arsenide, Quantum dots, Nanostructures, Quantum wells, Diffusion, Scattering, Raman scattering, Etching

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Proceedings Article | 1 August 1992 Paper

Properties of heterostructures for pseudomorphic HEMTs

T. Skrabka, Cliva Sotomayor-Torres

Proceedings Volume 1783, (1992) https://doi.org/10.1117/12.131059

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Proceedings Article | 1 July 1992 Paper

Luminescence properties of Al0.48In0.52As under hydrostatic pressure

Hai-Ping Zhou, Cliva Sotomayor-Torres

Proceedings Volume 1678, (1992) https://doi.org/10.1117/12.60445

KEYWORDS: Luminescence, Semiconductors, Gallium arsenide, Temperature metrology, Electronics, Helium, Crystals, Astatine, Heterojunctions, Doping

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Proceedings Article | 1 March 1991 Paper

Reactive ion etching of InP and its optical assessment

Roderick MacLeod, Cliva Sotomayor-Torres, Manijeh Razeghi, C. Stanley, Chris Wilkinson

Proceedings Volume 1361, (1991) https://doi.org/10.1117/12.24418

KEYWORDS: Reactive ion etching, Etching, Raman scattering, Luminescence, Phonons, Optoelectronic devices, Annealing, Nanostructures, Ions, Scanning electron microscopy

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