Prof. Crina M. Cojocaru Profile

Prof. Crina M. Cojocaru

at Univ Politècnica de Catalunya

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Author

Publications (22)

Proceedings Article | 4 October 2023 Presentation

Linear and nonlinear light matter interactions in aluminum nanolayers and nanostructures

Michael Scalora, Shroddha Mukhopadhyay, Kent Hallman, Ramon Vilaseca, Crina Cojocaru, Jose Trull, Domenico de Ceglia, Maria Antonietta Vincenti

Proceedings Volume PC12647, PC126471F (2023) https://doi.org/10.1117/12.2676487

KEYWORDS: Aluminum, Nanostructures, Spectral response, Optical properties, Ultraviolet radiation, Oxides, Metals, Ultraviolet sources, Ultrafast phenomena, Total internal reflection

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Proceedings Article | 13 October 2022 Presentation

Harmonic generation from silicon membranes in the visible and UV ranges (Conference Presentation)

Michael Scalora, Laura Rodríguez-Suné, Kent Hallman, Josep Trull, Crina Cojocaru, Maria Antonietta Vincenti

Proceedings Volume PC12196, PC1219602 (2022) https://doi.org/10.1117/12.2633396

KEYWORDS: Silicon, Ultraviolet radiation, Visible radiation, Harmonic generation, Signal processing, Silicon photonics, Semiconductors, Second-harmonic generation, Physics, Photonics

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Proceedings Article | 3 October 2022 Presentation

Harmonic generation from metal surfaces and gratings: free electron spill-out layer as an epsilon-near-zero boundary layer (Conference Presentation)

Michael Scalora, Shroddha Mukhopadhyay, Laura Rodriguez-Sune, Kent Hallman, Maria Antonietta Vincenti, Domenico de Ceglia, Neset Akozbek, Josep Trull, Crina Cojocaru

Proceedings Volume PC12195, PC121950S (2022) https://doi.org/10.1117/12.2633407

KEYWORDS: Harmonic generation, Metals, Ultraviolet radiation, UV optics, Photonics, Mirrors, Interfaces, Electrodynamics, Chemical species

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Proceedings Article | 26 May 2022 Paper

Experimental and theoretical study of second and third harmonic generation in amorphous silicon

L. Rodríguez-Suné, M. Scalora, C. Cojocaru, N. Akozbek, R. Vilaseca, J. Trull

Proceedings Volume 12143, 1214307 (2022) https://doi.org/10.1117/12.2621542

KEYWORDS: Second-harmonic generation, Amorphous silicon, Reflection, Polarization, Magnetism, Harmonic generation, Electrons, Dielectrics, Solids, Signal generators

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Proceedings Article | 24 May 2022 Presentation

Nonlinear conversion efficiency enhancement in gold grating nanostructure

Crina Cojocaru, Shroddha Mukhopadhyay, Jose Trull, Laura Rodríguez-Suné, Michael Scalora, Maria Antonietta Vincenti, Giuseppe Leo

Proceedings Volume PC12131, PC121310F (2022) https://doi.org/10.1117/12.2621664

KEYWORDS: Gold, Nanostructures, Harmonic generation, Nonlinear optics, Second-harmonic generation, Metals, Light-matter interactions, Electrons, Fluorescence spectroscopy, Absorption

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Proceedings Article | 3 August 2021 Presentation

Retrieving linear and nonlinear optical dispersions of matter: Numerical ellipsometry of silicon and indium tin oxide nanolayers

Michael Scalora, Maria Vincenti, Domenico de Ceglia, Neset Akozbek, Laura Rodríguez-Suné, Jose Trull, Crina Cojocaru

Proceedings Volume 11796, 117960T (2021) https://doi.org/10.1117/12.2594256

KEYWORDS: Tin, Silicon, Oxides, Indium, Ellipsometry, Visible radiation, Nonlinear crystals, Nanostructures, Harmonic generation, Gold

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Proceedings Article | 1 August 2021 Presentation

Nonlinear optics at the nanoscale: experiment versus theory

Crina Cojocaru, Laura Rodríguez-Suné, Neset Akozbek, Michael Scalora, Jose Trull

Proceedings Volume 11796, 117960X (2021) https://doi.org/10.1117/12.2594223

KEYWORDS: Nonlinear optics, Semiconductors, Oxides, Metals, Harmonic generation, Tin, Semiconductor materials, Photonic devices, Phase matching, Nanostructures

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Proceedings Article | 6 May 2021 Presentation + Paper

Harmonic generation from gold nanolayers: bound and hot electron contributions

L. Rodriguez Sune, J. Trull, C. Cojocaru, N. Akozbek, D. de Ceglia, M, A. Vincenti, M. Scalora

Proceedings Volume 11770, 117700X (2021) https://doi.org/10.1117/12.2593344

KEYWORDS: Harmonic generation, Signal detection, Gold, Metals, Signal generators, Semiconductors, Second-harmonic generation, Reflection, Pulsed laser operation, Physical phenomena

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Proceedings Article | 18 April 2021 Presentation + Paper

Harmonic generation at the nanoscale in strategic materials for nanophotonics

L. Rodríguez-Suné, J. Trull, M. Scalora, N. Akozbek, C. Cojocaru

Proceedings Volume 11770, 117700S (2021) https://doi.org/10.1117/12.2592962

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Proceedings Article | 20 August 2020 Presentation

Harmonic generation in the opaque region of semiconductors: the role of the surface and magnetic nonlinearities

Crina Cojocaru, Laura Rodríguez-Suné, Michael Scalora, Neset Akozbek, Maria Atonietta Vincenti, Domenico de Ceglia, Jose Trull

Proceedings Volume 11461, 1146121 (2020) https://doi.org/10.1117/12.2567233

KEYWORDS: Dielectrics, Oxides, Electrodynamics, Anisotropy, Harmonic generation, Radio propagation, Absorption, Refractive index, Electromagnetism, Indium

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Proceedings Article | 1 April 2020 Presentation + Paper

Spatial filtering in broad area semiconductor laser using photonic crystal

Sandeep Babu Gawali, Darius Gailevičius, Vytautas Purlys, Jose Trull, Crina Cojocaru, Kestutis Staliunas

Proceedings Volume 11356, 113560R (2020) https://doi.org/10.1117/12.2555682

KEYWORDS: Spatial filters, Semiconductor lasers, Photonic crystals, Mirrors, Near field

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Proceedings Article | 1 April 2020 Presentation + Paper

Second harmonic generation from an ITO nanolayer: experiment versus theory

L. Rodriguez-Suné, M. Scalora, A. Johnson, C. Cojocaru, N. Akozbek, Z. Coppens, D. Perez-Salinas, S. Wall, J. Trull

Proceedings Volume 11345, 113451R (2020) https://doi.org/10.1117/12.2555393

KEYWORDS: Electrons, Second-harmonic generation, Oxides, Plasma, Harmonic generation, Absorption, Metals

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Proceedings Article | 2 March 2020 Presentation + Paper

1 kW cw fiber-coupled diode laser with enhanced brightness

Guillermo Garre-Werner, Joan Montiel-Ponsoda, Volker Raab, Gemma Safont, Carsten Bree, Mindaugas Radziunas, Crina Cojocaru, Kestutis Staliunas

Proceedings Volume 11262, 1126202 (2020) https://doi.org/10.1117/12.2546086

KEYWORDS: High power fiber coupled lasers, Fiber coupled lasers, High power diode lasers, Semiconductor lasers, Continuous wave operation, Polarization, Fiber couplers, Laser development, Heatsinks, Laser welding, Optical filters, Copper

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Proceedings Article | 9 September 2019 Presentation

Reevaluation of radiation reaction and consequences for light-matter interactions at the nanoscale (Conference Presentation)

Michael Scalora, Maria Antonietta Vincenti, Domenico de Ceglia, Neset Akozbek, Luis Roso, Jose Trull, Crina Cojocaru, Mark Bloemer, Joseph Haus

Proceedings Volume 11081, 1108102 (2019) https://doi.org/10.1117/12.2526880

KEYWORDS: Light-matter interactions, Electromagnetism, Dielectric polarization, Electrons, Plasmas, Dielectrics, Magnetism

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Proceedings Article | 30 April 2019 Presentation + Paper

Surface and bulk harmonic generation in the opaque region of GaAs

L. R. Suñé, J. Trull, M. Scalora, C. Cojocaru

Proceedings Volume 11026, 110260O (2019) https://doi.org/10.1117/12.2520979

KEYWORDS: Nonlinear optics, Gallium arsenide, Polarization, Opacity, Dielectric polarization, Harmonic generation

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Proceedings Article | 17 September 2018 Presentation

The role of a discontinuous free-electron density in harmonic generation from metal surfaces and metal/oxide boundaries (Conference Presentation)

Michael Scalora, Crina Cojocaru, Jose Trull, Maria Vincenti, Domenico de Ceglia, Mark Bloemer, Neset Akozbek, Joseph Haus, Ramon Vilaseca, Costantino De Angelis

Proceedings Volume 10721, 1072107 (2018) https://doi.org/10.1117/12.2320704

KEYWORDS: Metals, Harmonic generation, Clouds, Dielectrics, Second-harmonic generation, Nanoantennas, Nonlinear optics, Gold, Indium, Tin

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Proceedings Article | 17 May 2018 Presentation + Paper

Analysis of disordered nonlinear domain statistics via second harmonic diffraction

C. Cojocaru, B. Wang, K. Switkowski, W. Krolikowski, M. Scalora, J. Trull

Proceedings Volume 10683, 106830E (2018) https://doi.org/10.1117/12.2322627

KEYWORDS: Crystals, Nonlinear crystals, Statistical analysis, Diffraction, Computer simulations, Nonlinear optics, Wave propagation, Beam propagation method, Numerical simulations, Analytical research

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Proceedings Article | 6 May 2013 Paper

Diffraction control of reflected beam by chirped mirror

Yu-Chieh Cheng, M. Peckus, S. Kicas, J. Trull, C. Cojocaru, R. Vilaseca, R. Drazdys, K. Staliunas

Proceedings Volume 8771, 87710W (2013) https://doi.org/10.1117/12.2019994

KEYWORDS: Mirrors, Diffraction, Polarization, Beam propagation method, Beam controllers, Finite-difference time-domain method, Photonic crystals, Wave propagation, Dispersion, Refractive index

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Proceedings Article | 25 April 2012 Paper

Woodpile photonic crystal for beam collimation

Lina Maigyte, Jose Trull, Vygantas Mizeikis, Mangirdas Malinauskas, Saulius Juodkazis, Crina Cojocaru, Marius Rutkauskas, Martynas Peckus, Valdas Sirutkaitis, Kestutis Staliunas

Proceedings Volume 8425, 842511 (2012) https://doi.org/10.1117/12.922276

KEYWORDS: Collimation, Diffraction, Photonic crystals, Beam propagation method, Light wave propagation, Wave propagation, Crystals, Refractive index, Dispersion, Radio propagation

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Proceedings Article | 25 April 2012 Paper

Manifestation of spatial filtering performed by 3D photonic crystals

Lina Maigyte, Titas Gertus, Martynas Peckus, Jose Trull, Crina Cojocaru, Valdas Sirutkaitis, Kestutis Staliunas

Proceedings Volume 8425, 84251Q (2012) https://doi.org/10.1117/12.922259

KEYWORDS: Photonic crystals, Spatial filters, Diffraction, Optical filters, Dispersion, Refractive index, Wave propagation, Femtosecond phenomena, Modulation, Radio propagation

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Proceedings Article | 14 May 2010 Paper

Broadband phase-matched second-harmonic generation for narrow beams in planar two-dimensional photonic crystals

C. Nistor, C. Cojocaru, J. Trull, K. Staliunas

Proceedings Volume 7713, 771315 (2010) https://doi.org/10.1117/12.854255

KEYWORDS: Phase modulation, Dispersion, Photonic crystals, Wave propagation, Refractive index, Diffraction, Harmonic generation, Polarization, Modulation, Phase matching

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Proceedings Article | 15 September 2004 Paper

Multifunction operation in two-dimensional semiconductor photonic crystal slabs

Fabrice Raineri, Crina Cojocaru, Paul Monnier, Christian Seassal, Xavier Letartre, Pierre Viktorovitch, R. Raj, Ariel Levenson

Proceedings Volume 5450, (2004) https://doi.org/10.1117/12.562308

KEYWORDS: Reflectivity, Photonic crystals, Absorption, Picosecond phenomena, Switching, Nonlinear optics, Refractive index, Semiconductors, Nonlinear response, Resonators

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Showing 5 of 22 publications

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