Prof. Claude Weisbuch Profile

Prof. Claude Weisbuch

Professor at Univ of California Santa Barbara

SPIE Involvement:

Author

Publications (20)

Proceedings Article | 9 March 2024 Presentation

Presentation

Nanoscale mapping of inhomogeneities in the luminescence of operational nitride LEDs

Camille Fornos, Natalia Alyabyeva, Mylène Sauty, Wan Ying Ho, Yi Chao Chow, Tanay Tak, James Speck, Claude Weisbuch, Yves Lassailly, Alistair C. Rowe, Jacques Peretti

Proceedings Volume PC12886, PC1288608 (2024) https://doi.org/10.1117/12.3012597

KEYWORDS: Light emitting diodes, Inhomogeneities, Quantum wells, Luminescence, Electroluminescence, Scanning tunneling microscopy, Diseases and disorders, Alloys, Solid state electronics, Semiconductors

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Proceedings Article | 21 March 2023 Presentation

Presentation

Excitons in InGaN: a numerical study

Aurelien David, Claude Weisbuch

Proceedings Volume PC12421, (2023) https://doi.org/10.1117/12.2668386

KEYWORDS: Excitons, Indium gallium nitride, Materials properties, Quantum wells, Physics, Semiconductors, Quantum properties, Luminescence, Design and modelling, Alloys

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Proceedings Article | 10 March 2020 Presentation

Presentation

Light extraction from LEDs: a long battle (Conference Presentation)

Claude Weisbuch, Leah Kuritzky, James Speck

Proceedings Volume 11280, 112800N (2020) https://doi.org/10.1117/12.2543070

KEYWORDS: Light emitting diodes, Interfaces, Heterojunctions

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Proceedings Article | 1 March 2019 Paper

Paper

Semipolar III-nitride laser diodes for solid-state lighting

Shlomo Mehari, Daniel Cohen, Daniel Becerra, Haojun Zhang, Claude Weisbuch, James Speck, Shuji Nakamura, Steven DenBaars

Proceedings Volume 10939, 109390G (2019) https://doi.org/10.1117/12.2506798

KEYWORDS: Absorption, Magnesium, Electron beam lithography, Doping, Quantum wells, Semiconductor lasers, Gallium nitride, Waveguides, Cladding, Solid state lighting

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Proceedings Article | 14 March 2018 Presentation

Presentation

Carrier localization induced by alloy disorder in nitride devices: theory and experiments (Conference Presentation)

Marcel Filoche, Marco Piccardo, Chi-Kang Li, Yuh-Renn Wu, James Speck, Bastien Bonef, Robert Farrell, Svitlana Mayboroda, Jean-Marie Lentali, Lucio Martinelli, Jacques Peretti, Claude Weisbuch

Proceedings Volume 10532, 105320S (2018) https://doi.org/10.1117/12.2291009

KEYWORDS: Absorption, Nanostructures, Mathematical modeling, Semiconductors, Systems modeling, Quantum wells, Quantum physics, Quantum mechanics, Indium gallium nitride, Solar cells

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Proceedings Article | 14 March 2018 Presentation

Presentation

Experimental evidence of nanometer-scale localized recombination due to random In fluctuations in InGaN/GaN quantum wells (Conference Presentation)

Wiebke Hahn, Jean-Marie Lentali, Petr Polovodov, Nathan Young, James Speck, Claude Weisbuch, Marcel Filoche, Fouad Maroun, Lucio Martinelli, Yves Lassailly, Jacques Peretti

Proceedings Volume 10526, 105261N (2018) https://doi.org/10.1117/12.2290887

KEYWORDS: Quantum wells, Electrons, Luminescence, Scanning tunneling microscopy, Light emitting diodes, Gallium nitride, Indium gallium nitride, Heterojunctions, Cladding, Feedback loops

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Proceedings Article | 19 April 2017 Presentation

Presentation

Impact of InGaN alloy disorder on LED properties (Conference Presentation)

Claude Weisbuch

Proceedings Volume 10104, 101040O (2017) https://doi.org/10.1117/12.2250936

KEYWORDS: Gallium nitride, Light emitting diodes, Heterojunctions, 3D modeling, Indium gallium nitride, 3D imaging standards, Optoelectronics, Absorption, Quantum wells, Quantum efficiency

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Proceedings Article | 19 April 2017 Presentation

Presentation

Evaluation of intervalley energy of GaN conduction band by ultrafast pump-probe spectroscopy (Conference Presentation)

Saulius Marcinkevicius, Tomas Uzdavinys, Humberto Foronda, Daniel Cohen, James Speck, Claude Weisbuch

Proceedings Volume 10104, 101040L (2017) https://doi.org/10.1117/12.2250622

KEYWORDS: Spectroscopy, Scattering, Gallium nitride, Ultrafast laser spectroscopy, Ultraviolet radiation, Semiconductors, Electronic components, Time resolved spectroscopy, Luminescence, Crystals

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Proceedings Article | 27 February 2014 Paper

Paper

Identiﬁcation of Auger effect as the dominant mechanism for efficiency droop of LEDs

Jacques Peretti, Claude Weisbuch, Justin Iveland, Marco Piccardo, Lucio Martinelli, James Speck

Proceedings Volume 9003, 90030Z (2014) https://doi.org/10.1117/12.2038698

KEYWORDS: Electrons, Light emitting diodes, Quantum wells, External quantum efficiency, Absorption, Photons, Quantum efficiency, Gallium nitride, Semiconductors, Phonons

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Proceedings Article | 23 September 2011 Paper

Paper

YAG:Ce nanoparticle based converter layer for white LEDs

Amelie Revaux, Geraldine Dantelle, Stewart Brinkley, Elison Matioli, Claude Weisbuch, Jean-Pierre Boilot, Thierry Gacoin

Proceedings Volume 8102, 81020R (2011) https://doi.org/10.1117/12.892717

KEYWORDS: Nanoparticles, Light emitting diodes, Particles, Scattering, Sol-gels, Refractive index, Light scattering, Absorption, YAG lasers, Titanium dioxide

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Proceedings Article | 2 May 2008 Paper

Paper

Waveguide-excited fluorescence microarray

Gabriel Sagarzazu, Mélanie Bedu, Lucio Martinelli, Khoi-Nguyen Ha, Nicolas Pelletier, Viatcheslav Safarov, Claude Weisbuch, Thierry Gacoin, Henri Benisty

Proceedings Volume 6991, 699123 (2008) https://doi.org/10.1117/12.781297

KEYWORDS: Waveguides, Luminescence, Biosensors, Sensors, Charge-coupled devices, CCD image sensors, Image filtering, Interfaces, Sol-gels, Image quality

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Proceedings Article | 13 February 2008 Paper

Paper

Submicron-thick microcavity InGaN light emitting diodes

Yong-Seok Choi, Michael Iza, Elison Matioli, Gregor Koblmüller, James Speck, Claude Weisbuch, Evelyn Hu

Proceedings Volume 6910, 69100R (2008) https://doi.org/10.1117/12.764696

KEYWORDS: Light emitting diodes, Optical microcavities, Electroluminescence, Gallium nitride, Etching, Metals, Nanoimprint lithography, Indium gallium nitride, Photonic crystals, Sapphire

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Proceedings Article | 1 March 2006 Paper

Paper

Role of one-dimensional singularities in the operation of some photonic-crystal based devices

H. Benisty, L. Martinelli, E. Viasnoff-Schwoob, M. Pinault, C. Weisbuch, G.-H. Duan, H. Heidrich, K. Janiak, I. Robert-Philip

Proceedings Volume 6128, 61280P (2006) https://doi.org/10.1117/12.650812

KEYWORDS: Waveguides, Dispersion, Photonic crystals, Dielectrics, Mirrors, Cladding, Fabry–Perot interferometers, Optical spheres, Quantization, Photonic devices

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Proceedings Article | 28 February 2006 Paper

Paper

Omnidirectional light extraction in GaN LEDs using an Archimedean tiling photonic crystal

Aurélien David, Tetsuo Fujii, Elison Matioli, Rajat Sharma, Shuji Nakamura, Steven DenBaars, Claude Weisbuch, Henri Benisty

Proceedings Volume 6115, 61151X (2006) https://doi.org/10.1117/12.648218

KEYWORDS: Light emitting diodes, Diffraction, Gallium nitride, Photonic crystals, Sapphire, Crystals, Chemical species, Waveguides, Fourier transforms, Dielectrics

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Proceedings Article | 9 July 2004 Paper

Paper

Low-loss photonic crystal and monolithic InP integration: bands, bends, lasers, and filters

Henri Benisty, Claude Weisbuch, Segolene Olivier, Romuald Houdre, Rolando Ferrini, D. Leuenberger, Barbara Wild, Benoit Lombardet, Min Qiu, Srinivasan Anand, Mikael Mulot, Anders Karlsson, Marcin Swillo, B. Jazkorzynska, M. Agio, Maria Kafesaki, Costas Soukoulis, A. Talneau, Martin Kamp, Alfred Forchel, Juergen Moosburger, Thomas Happ, Guang-Hua Duan, C. Cuisin, J.-P. Chandouineau, O. Drisse, F. Gaborit, L. Legouezigou, O. Legouezigou, F. Lelarge, Francis Poingt, F. Pommereau, Bruno Thedrez

Proceedings Volume 5360, (2004) https://doi.org/10.1117/12.538486

KEYWORDS: Waveguides, Photonic crystals, Optical filters, Mirrors, Etching, Heterojunctions, Finite-difference time-domain method, Wavelength division multiplexing, Photomicroscopy, Photonic integrated circuits

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Proceedings Article | 9 July 2004 Paper

Paper

Toward real-world devices in InP-based PCs

Claude Weisbuch, Emilie Schwoob, Segolene Olivier, Henri Benisty, A. Talneau, Guang-Hua Duan, Thomas Krauss, Christopher Smith, Romuald Houdre, Rolando Ferrini, M. Agio

Proceedings Volume 5360, (2004) https://doi.org/10.1117/12.519170

KEYWORDS: Waveguides, Etching, Photonic crystals, Dielectrics, Photonic integrated circuits, Light wave propagation, Polarization, Dispersion, Photonics, Integrated optics

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Proceedings Article | 21 June 2004 Paper

Paper

Recent results and latest views on microcavity LEDs

Claude Weisbuch, Aurelien David, Tetsuo Fujii, C. Schwach, Steven DenBaars, Shuji Nakamura, M. Rattier, Henri Benisty, Romuald Houdré, R. Stanley, Jean-Francois Carlin, Thomas Krauss, Christopher Smith

Proceedings Volume 5366, (2004) https://doi.org/10.1117/12.537630

KEYWORDS: Mirrors, Light emitting diodes, Optical microcavities, Photonic crystals, Gallium nitride, Diffraction, Quantum efficiency, Internal quantum efficiency, Waveguides, Interfaces

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Proceedings Article | 9 July 2001 Paper

Paper

Photonic crystals for optoelectronic devices

Alfred Forchel, Martin Kamp, Johann-Peter Reithmaier, Juergen Moosburger, Thomas Happ, Siegfried Rennon, Frank Klopf, Ralph Werner, Ursula Oesterle, H. Benisty, Claude Weisbuch

Proceedings Volume 4283, (2001) https://doi.org/10.1117/12.432591

KEYWORDS: Waveguides, Photonic crystals, Mirrors, Etching, Quantum dots, Reflectivity, Electron beam lithography, Waveguide lasers, Photomasks, Optoelectronic devices

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Proceedings Article | 9 July 2001 Paper

Paper

Waveguide-based two-dimensional photonic crystals

Claude Weisbuch, H. Benisty, Segolene Olivier, M. Rattier, C. Smith, Thomas Krauss

Proceedings Volume 4283, (2001) https://doi.org/10.1117/12.432594

KEYWORDS: Waveguides, Photonic integrated circuits, Optical microcavities, Photonic crystals, Light emitting diodes, Diffraction, Dielectrics, Wave propagation, Integrated optics, Semiconductors

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Proceedings Article | 2 September 1992 Paper

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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Showing 5 of 20 publications

Conference Committee Involvement (5)

Physics and Simulation of Optoelectronic Devices XVII

26 January 2009 | San Jose, California, United States

Physics and Simulation of Optoelectronic Devices XVI

21 January 2008 | San Jose, California, United States

Photonic Materials, Devices, and Applications

2 May 2007 | Maspalomas, Gran Canaria, Spain

Physics and Simulation of Optoelectronic Devices XV

22 January 2007 | San Jose, California, United States

Physics and Simulation of Optoelectronic Devices XIV

22 January 2006 | San Jose, California, United States

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