Prof. Tomasz G. Czyszanowski Profile

Prof. Tomasz G. Czyszanowski

Professor at Lodz Univ of Technology

SPIE Involvement:

Author

Publications (81)

Proceedings Article | 18 June 2024 Presentation

A high speed fully trainable laser-based neural network

Anas Skalli, Mirko Goldmann, Nasibeh Haghighi, Marcin Gebski, Stephan Reitzenstein, Tomasz Czyszanowski, James Lott, Daniel Brunner

Proceedings Volume PC13017, PC130170R (2024) https://doi.org/10.1117/12.3022442

KEYWORDS: Artificial neural networks, Vertical cavity surface emitting lasers, Education and training, Photonics, Online learning, Data processing, Power consumption, Parallel computing, Medical diagnostics, Excel

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Proceedings Article | 13 March 2024 Presentation

Enhancement of quantum cascade laser intersubband transitions via coupling to resonant discrete photonic modes of subwavelength gratings

Marcin Motyka, Monika Mikulicz, Michal Rygala, Tristan Smolka, Mikolaj Janczak, Mikolaj Badura, Adriana Lozinska, Adriana Wolf, Monika Emmerling, Beata Sciana, Sven Höfling, Tomasz Czyszanowski, Grzegorz Sek

Proceedings Volume PC12906, PC129060K (2024) https://doi.org/10.1117/12.3001692

KEYWORDS: Quantum enhancement, Quantum cascade lasers, Optical gratings, Seaborgium, Infrared radiation, Signal attenuation, Resonators, Quantum technology applications, Quantum processing, Quantum optics applications

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Proceedings Article | 13 March 2024 Paper

Comparison of 980 nm VCSELs with varying monolithic high index contrast grating top coupling mirror designs

Niels Heermeier, Marcin Gębski, Nasibeh Haghighi, Mikołaj Janczak, Martin Zorn, James Lott, Tomasz Czyszanowski, Stephan Reitzenstein

Proceedings Volume 12904, 129040H (2024) https://doi.org/10.1117/12.3007563

KEYWORDS: Vertical cavity surface emitting lasers, Optical gratings, Optical design, Oxides, Semiconducting wafers, Gallium arsenide, Mirrors, Quantum wells, Lithium, Emission wavelengths

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Proceedings Article | 13 March 2024 Presentation

Observation of photon Bose-Einstein condensation in a VCSEL

Maciej Pieczarka, Marcin Gebski, Aleksandra Piasecka, James Lott, Axel Pelster, Michal Wasiak, Tomasz Czyszanowski

Proceedings Volume PC12904, PC1290407 (2024) https://doi.org/10.1117/12.3003251

KEYWORDS: Vertical cavity surface emitting lasers, Semiconductors, Ultrafast phenomena, Thermography, Thermodynamics, Thermal effects, Physics, Optical properties, Laser development, Data communications

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Proceedings Article | 9 March 2024 Presentation

New type of optical sensor for non-invasive detection of medical biomarkers.

Magdalena Zadura, Weronika Glowadzka, Piotr Polak, Kamil Kosiel, Joanna Jankowska-Sliwinksa, Krzysztof Piskorski, Karolina Bogdanowicz, Marek Ekielski, Tomasz Czyszanowski, Anna Szerling

Proceedings Volume PC12895, PC1289514 (2024) https://doi.org/10.1117/12.3002348

KEYWORDS: Optical sensors, Biosensors, Biological research, Sensors, Polymers, Coating thickness, Cancer detection, Structural engineering, Structural design, Sensor performance

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Proceedings Article | 9 March 2024 Presentation

Fabrication of monolithic subwavelength high-aspect ratio GaAs gratings integrated with metal for transmission of unpolarized infrared light

Karolina Bogdanowicz, Weronika Glowadzka, Oskar Sadowski, Tristan Smolka, Michal Rygala, Marcin Motyka, Marek Ekielski, Tomasz Czyszanowski, Anna Szerling

Proceedings Volume PC12895, PC128951C (2024) https://doi.org/10.1117/12.3000495

KEYWORDS: Optical gratings, Fabrication, Metals, Infrared radiation, Gallium arsenide, Polarized light, Etching, Gold, Semiconductors, Semiconductor materials

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Proceedings Article | 9 March 2024 Presentation

Monolithic high contrast grating integrated with metal as a transparent conductive electrode for infrared optoelectronics

Marek Ekielski, Weronika Glowadzka, Karolina Bogdanowicz, Monika Mikulicz, Michal Rygala, Patrycja Spiewak, Marcin Kowalski, Marcin Gebski, Marcin Motyka, Tomasz Czyszanowski, Anna Szerling

Proceedings Volume PC12895, PC1289505 (2024) https://doi.org/10.1117/12.3009691

KEYWORDS: Electrical conductivity, Thermography, Metals, Electrodes, Technetium, Infrared radiation, Optoelectronics, Transmittance, Optoelectronic devices, Optical gratings

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Proceedings Article | 17 March 2023 Presentation

HCG VCSELs as one-device gas detectors

Magdalena Marciniak, Lukasz Piskorski, Weronika Glowadzka, Tomasz Czyszanowski

Proceedings Volume PC12439, PC1243908 (2023) https://doi.org/10.1117/12.2647724

KEYWORDS: Sensors, Vertical cavity surface emitting lasers, Reflectivity, Sensor performance, Refractive index, Quantum wells, Optoelectronics, Optoelectronic devices, Numerical simulations, Mirrors

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Proceedings Article | 17 March 2023 Poster

Quality factor enhancement in low contrast gratings

Weronika Glowadzka, Tomasz Czyszanowski

Proceedings Volume PC12431, PC1243118 (2023) https://doi.org/10.1117/12.2650453

KEYWORDS: Seaborgium, Surface plasmons, Single photon, Sensors, Refractive index, Photonic devices, Optical microcavities, Fabry–Perot interferometers

Proceedings Article | 17 March 2023 Presentation

Inverted refractive-index-contrast grating mirror for microresonators

Daniel Jandura, Emilia Pruszynska-Karbownik, Maciej Dems, Jan Muszalski, Jan Suffczynski, Dusan Pudis, Tomasz Czyszanowski

Proceedings Volume PC12430, PC124301F (2023) https://doi.org/10.1117/12.2651164

KEYWORDS: Refractive index, Mirrors, Cladding, Reflectivity, Microresonators, Transition metals, Silicon, Polymers, Polarization, Photoresist materials

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Proceedings Article | 17 March 2023 Presentation

VCSELs for optical wireless communication

Nasibeh Haghighi, Weronika Glowadzka, Tomasz Czyszanowski, Denise Webb, Martin Zorn, John Joseph, James Lott

Proceedings Volume PC12439, PC1243903 (2023) https://doi.org/10.1117/12.2655695

KEYWORDS: Vertical cavity surface emitting lasers, Wireless communications, Free space optics, Wafer-level optics, Oxides, Standards development, Semiconducting wafers, Gallium arsenide, Free space, Connectors

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Proceedings Article | 17 March 2023 Presentation

Threshold optimization of pulse operating quantum cascade vertical cavity emitting lasers (QC VCSELs)

Mikolaj Janczak, Robert Sarzala, Maciej Dems, Andrzej Kolek, Maciej Bugajski, Wlodzimierz Nakwaski, Tomasz Czyszanowski

Proceedings Volume PC12439, PC1243909 (2023) https://doi.org/10.1117/12.2651158

KEYWORDS: Vertical cavity surface emitting lasers, Quantum cascade lasers, Pulsed laser operation, Laser damage threshold, Quantum wells, Polarization, Numerical simulations, Mirrors, Doping

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Proceedings Article | 17 March 2023 Presentation

Impact of VCSEL array geometry on their performance

Marcin Gebski, Dominika Dabrowka, Marta Wieckowska, Patrycja Spiewak, Weronika Glowadzka, Robert Sarzala, Michal Wasiak, Rafal Pietruszka, Cezary Kobylecki, Iwona Pasternak, Walery Kolkowski, Wlodek Strupinski, James Lott, Tomasz Czyszanowski

Proceedings Volume PC12439, PC1243906 (2023) https://doi.org/10.1117/12.2652102

KEYWORDS: Vertical cavity surface emitting lasers, Optical components, Infrared radiation, Gallium arsenide, Distributed Bragg reflectors, Diffraction, Data communications, Computer simulations, Chemical elements

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Proceedings Article | 13 December 2022 Paper

Talbot self-imaging effect on the MHCG characterized by NSOM

D. Jandura, D. Pudis, T. Czyszanowski

Proceedings Volume 12502, 125020T (2022) https://doi.org/10.1117/12.2664170

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Proceedings Article | 9 March 2022 Presentation

Configuration optimisation of quantum-cascade vertical-cavity surface-emitting lasers

Mikolaj Janczak, Robert Sarzała, Włodzimierz Nakwaski, Tomasz Czyszanowski

Proceedings Volume PC12021, PC120210J (2022) https://doi.org/10.1117/12.2608855

KEYWORDS: Vertical cavity surface emitting lasers, 3D modeling, Quantum cascade lasers, Mirrors, Laser damage threshold, Structural design, Quantum wells, Phase shift keying, Numerical analysis, Modulation

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Proceedings Article | 9 March 2022 Presentation

Emitted power enhancement of VCSELs by shape deformation of oxide aperture

Adam Brejnak, Marcin Gebski, Magdalena Marciniak, Mariusz Drong, Kamil Postava, Tibor Fördös, Michal Wasiak, Jan Muszalski, James Lott, Ingo Fischer, Tomasz Czyszanowski

Proceedings Volume PC12020, PC1202006 (2022) https://doi.org/10.1117/12.2610642

KEYWORDS: Vertical cavity surface emitting lasers, Oxides, Quantum efficiency, Structural engineering, Quantum electrodynamics, Optical resonators

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Proceedings Article | 5 March 2022 Presentation

Bound states in the continuum in one-dimensional grating implemented on distributed Bragg reflector

Emilia Pruszynska-Karbownik, Tomasz Czyszanowski

Proceedings Volume PC12009, PC120090W (2022) https://doi.org/10.1117/12.2606411

KEYWORDS: Refractive index, Distributed Bragg reflectors, Diffraction gratings, Resonators, Photonic crystals, Optical resonators, Optical design, Liquids, Diffraction

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Proceedings Article | 5 March 2022 Presentation

Vertically nonsymmetric BIC resonators

Weronika Glowadzka, Michal Wasiak, Tomasz Czyszanowski

Proceedings Volume PC12010, PC120100J (2022) https://doi.org/10.1117/12.2608623

KEYWORDS: Refractive index, Resonators, Semiconductors, Single photon, Polaritons, Photonic crystals, Numerical analysis, Metals

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Proceedings Article | 5 March 2022 Presentation + Paper

Polarization dynamics of grating-based spin-lasers

Mariusz Drong, Jan Peřina, Maciej Dems, Tomasz Czyszanowski, Tibor Fördös, Henri Jaffrès, Kamil Postava, Henri-Jean Drouhin

Proceedings Volume 12009, 1200907 (2022) https://doi.org/10.1117/12.2610079

KEYWORDS: Birefringence, Anisotropy, Polarization, Quantum wells, Mirrors, Dichroic materials, Physics, Ultrafast phenomena, Terahertz radiation, Semiconductors

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Proceedings Article | 5 March 2022 Presentation

Tuning the reflectivity of a monolithic HCG mirror by modifying the spatial parameters

Magdalena Marciniak, Artur Broda, Marcin Gebski, Jan Muszalski, James Lott, Tomasz Czyszanowski

Proceedings Volume PC12010, PC120100I (2022) https://doi.org/10.1117/12.2610158

KEYWORDS: Mirrors, Reflectivity, Refractive index, Optoelectronics, Polarizers, Polarization, Optical lithography, Gallium arsenide, Etching

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