Dr. Anna Kafar Profile

Dr. Anna Kafar

Doctoral Student at Institute of High Pressure Physics

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Author

Publications (23)

Proceedings Article | 13 March 2024 Presentation + Paper

GaN laser diodes for quantum sensing, precision metrology, and quantum computing

A. Kafar, S. Najda, P. Perlin, T. Suski, S. Stanczyk, M. Leszczyński, T. Slight, S. Gwyn, S. Watson, A. Kelly, M. Knapp, M. Haji

Proceedings Volume 12912, 129120Z (2024) https://doi.org/10.1117/12.2691756

KEYWORDS: Gallium nitride, Semiconductor lasers, Quantum systems, Emission wavelengths, Quantum sensing, Quantum measurement, Strontium, Laser systems engineering, Waveguides, Quantum technology applications

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Proceedings Article | 9 March 2024 Presentation

Development of efficient visible InGaN laser diodes employing polarization doped p-type layers

Piotr Perlin, Muhammed Aktas, Lucja Marona, Anna Kafar, Szymon Grzanka

Proceedings Volume PC12886, PC128860Y (2024) https://doi.org/10.1117/12.3001112

KEYWORDS: Semiconductor lasers, Dielectric polarization, Magnesium, Indium gallium nitride, Light emitting diodes, Thermal stability, Temperature metrology, Semiconductors, P-type semiconductors, Light absorption

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Proceedings Article | 9 March 2024 Presentation

Characterization of losses in InAlGaN bent waveguides

Anna Kafar, Adam Brejnak, Krzysztof Gibasiewicz, Jacek Kacperski, Lucja Marona, Szymon Grzanka, Piotr Perlin

Proceedings Volume PC12886, PC128860W (2024) https://doi.org/10.1117/12.3001585

KEYWORDS: Waveguides, Semiconductor lasers, Emission wavelengths, Windows, Optical alignment, Light sources, Fabrication, Transparency, Silicon, Semiconductors

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Proceedings Article | 9 March 2024 Presentation

Growth of high indium content quantum wells on micropatterned substrates

Adam Brejnak, Anna Kafar, Conny Becht, Krzysztof Gibasiewicz, Jacek Kacperski, Lucja Marona, Szymon Grzanka, Ulrich Schwarz, Piotr Perlin

Proceedings Volume PC12886, PC1288607 (2024) https://doi.org/10.1117/12.3002342

KEYWORDS: Indium, Quantum wells, Optical lithography, Quantum processes, Quantum emitters, Photoresist materials, Gallium nitride, Semiconductor lasers, Photoresist developing, Optoelectronics

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Proceedings Article | 13 June 2023 Presentation + Paper

GaN laser diodes for quantum sensing, optical atomic clocks, precision metrology, and quantum computing

S. Najda, P. Perlin, T. Suski, S. Stanczyk, A. Kafar, M. Leszczyński, D. Schiavon, T. Slight, S. Gwyn, S. Watson, A. Kelly, M. Knapp, M. Haji

Proceedings Volume 12517, 125170A (2023) https://doi.org/10.1117/12.2655899

KEYWORDS: Gallium nitride, Semiconductor lasers, Quantum systems, Emission wavelengths, Atomic clocks, Quantum sensing, Quantum optics, Precision optics, Laser systems engineering

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Proceedings Article | 21 March 2023 Presentation

Ultra-compact low-loss GaN waveguides for potential large-scale Photonic Integrated Circuit (PICs) applications

Kiran Saba, Anna Kafar, Dario Schiavon, Szymon Grzanka, Piotr Perlin

Proceedings Volume PC12421, (2023) https://doi.org/10.1117/12.2648938

KEYWORDS: Waveguides, Photonic integrated circuits, Gallium nitride, Visible radiation, Quantum wells, Semiconductors, Optical components, Integrated optics, Indium, Absorption

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Proceedings Article | 21 March 2023 Presentation

Time-dependent characterization of spectral-lateral dynamics in InGaN laser diodes with various ridge width

Lukas Uhlig, Anna Kafar, Szymon Grzanka, Piotr Perlin, Ulrich Schwarz

Proceedings Volume PC12421, (2023) https://doi.org/10.1117/12.2648877

KEYWORDS: Semiconductor lasers, Indium gallium nitride, Pulsed laser operation, Waveguides, Streak cameras, Near field, Monochromators, Modulation, Modes of laser operation, Metals

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Proceedings Article | 21 March 2023 Presentation

Properties of implanted InGaN micro-LEDs with tunnel junctions

Julia Slawinska, Greg Muziol, Mikolaj Zak, Anna Kafar, Czeslaw Skierbiszewski

Proceedings Volume PC12421, (2023) https://doi.org/10.1117/12.2650014

KEYWORDS: Light emitting diodes, Indium gallium nitride, Quantum wells, Ion implantation, Gallium nitride, Wafer-level optics, Semiconducting wafers, Molecular beam epitaxy, Laser crystals, Ions

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Proceedings Article | 21 March 2023 Presentation

Visible InGaN laser diodes with polarization-doped p-type layers

Piotr Perlin, Muhammed Aktas, Anna Kafar, Szymon Grzanka, Dario Schiavon

Proceedings Volume PC12421, (2023) https://doi.org/10.1117/12.2651985

KEYWORDS: Semiconductor lasers, Indium gallium nitride, Visible radiation, Temperature metrology, Semiconductors, Resistance, Polarization, P-type semiconductors, Hydrogen, Doping

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Proceedings Article | 5 March 2022 Presentation

Nitride superluminescent diodes and semiconductor optical amplifiers: recent progress and optimization

Anna Kafar, Szymon Stanczyk, Dario Schiavon, Piotr Perlin

Proceedings Volume PC12001, PC120010J (2022) https://doi.org/10.1117/12.2605371

KEYWORDS: Superluminescent diodes, Semiconductor optical amplifiers, Waveguides, Mirrors, Light sources

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Proceedings Article | 5 March 2022 Presentation

InGaN blue light-emitting micro-diodes with current path defined by tunnel junction

Krzysztof Gibasiewicz, Agata Bojarska-Cieślińska, Grzegorz Muziol, Czeslaw Skierbiszewski, Szymon Grzanka, Anna Kafar, Piotr Perlin, Stephen Najda, Tadeusz Suski, Lucja Marona

Proceedings Volume PC12001, PC120010Z (2022) https://doi.org/10.1117/12.2609763

KEYWORDS: Light emitting diodes, Indium gallium nitride, Optoelectronics, Display technology, LCDs, Etching

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Proceedings Article | 5 March 2022 Presentation + Paper

Lateral-longitudinal near field measurements of 10 micrometer broad ridge blue laser diodes

Dominic Kunzmann, Lukas Uhlig, Jannina Tepaß, Anna Kafar, Szymon Stanczyk, Piotr Perlin, Ulrich Schwarz

Proceedings Volume 12001, 120010A (2022) https://doi.org/10.1117/12.2608109

KEYWORDS: Near field, Semiconductor lasers, Streak cameras, Visible radiation, Spectroscopy, Diodes, Spectral resolution, Near field optics, Broad area laser diodes

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Proceedings Article | 5 March 2022 Presentation

Polarization doping in blue-violet nitride emitters

Muhammed Aktas, Dario Schiavon, Anna Kafar, Szymon Stanczyk, Krzysztof Gibasiewicz, Szymon Grzanka, Piotr Perlin

Proceedings Volume PC12001, PC120010A (2022) https://doi.org/10.1117/12.2607627

KEYWORDS: Polarization, Doping, Magnesium, Semiconductors, Physics, Optical testing, Metals, Metalorganic chemical vapor deposition, Light emitting diodes, Ionization

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Proceedings Article | 5 March 2021 Presentation

Development of superluminescent diodes and optical amplifiers

Anna Kafar, Piotr Perlin, Szymon Stanczyk, Dario Schiavon

Proceedings Volume 11686, 116860L (2021) https://doi.org/10.1117/12.2584962

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Proceedings Article | 10 March 2020 Presentation

Towards 2D fully integrated array of InGaN laser diodes (Conference Presentation)

Piotr Perlin, Anna Kafar, Kiran Saba, Krzysztof Gibasiewicz, Agata Bojarska, Dario Schiavon

Proceedings Volume 11280, 112800R (2020) https://doi.org/10.1117/12.2544015

KEYWORDS: Semiconductor lasers, Indium gallium nitride, Vertical cavity surface emitting lasers, Laser applications, Laser welding, Micromirrors, Mirrors, Optoelectronics, Projection systems, Light

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Proceedings Article | 14 March 2018 Presentation

Carrier screening of built-in electric fields in nitride laser diodes and superluminescent diodes (Conference Presentation)

Anna Kafar, Szymon Stanczyk, Katarzyna Pieniak, Tadek Suski, Piotr Perlin

Proceedings Volume 10532, 1053215 (2018) https://doi.org/10.1117/12.2291532

KEYWORDS: Semiconductor lasers, Superluminescent diodes, Quantum wells, Ultraviolet radiation, Indium gallium nitride, Laser damage threshold

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Proceedings Article | 5 October 2017 Paper

Tapered waveguide high power AlGaInN laser diodes and amplifiers for optical integration and quantum technologies

S. Najda, S. Stanczyk, A. Kafar, P. Perlin, T. Suski, L. Marona, S. Grzanka, K. Gibasiewicz, P. Wisniewski, R. Czernecki, D. Schiavon, M. Leszczyński

Proceedings Volume 10442, 104420O (2017) https://doi.org/10.1117/12.2279565

KEYWORDS: Semiconductor lasers, Waveguides, Gallium nitride, Waveguide lasers, Near field optics, High power lasers, Laser applications, Gallium, Diodes, Quantum optics

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Proceedings Article | 8 March 2014 Paper

Gain saturation in InGaN superluminescent diodes

Anna Kafar, Szymon Stanczyk, Grzegorz Targowski, Tadek Suski, Piotr Perlin

Proceedings Volume 8986, 89860P (2014) https://doi.org/10.1117/12.2039862

KEYWORDS: Waveguides, Superluminescent diodes, Semiconductor lasers, Diodes, Antireflective coatings, Reflectivity, Indium gallium nitride, Light emitting diodes, Gallium nitride, Modulation

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Proceedings Article | 23 May 2013 Paper

Advances in AlGaInN laser diode technology for defence applications

S. Najda, P. Perlin, T. Suski, L. Marona, M. Boćkowski, M. Leszczyński, A. Kafar, S. Stanczyk, P. Wisniewski, R. Czernecki, R. Kucharski, G. Targowski

Proceedings Volume 8733, 873302 (2013) https://doi.org/10.1117/12.2014753

KEYWORDS: Semiconductor lasers, Gallium nitride, Laser applications, Defense and security, Laser development, Quantum wells, High power lasers, Near field optics, Thermal effects, Indium

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Proceedings Article | 4 March 2013 Paper

Thermal properties of InGaN laser diodes and arrays

Szymon Stańczyk, Anna Kafar, Grzegorz Targowski, Przemek Wiśniewski, Irina Makarowa, Tadeusz Suski, Piotr Perlin

Proceedings Volume 8625, 862521 (2013) https://doi.org/10.1117/12.2002494

KEYWORDS: Semiconductor lasers, Temperature metrology, Copper, Gallium nitride, Indium gallium nitride, Resistance, Pulsed laser operation, Continuous wave operation, Laser damage threshold, Diodes

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Proceedings Article | 4 March 2013 Paper

Thin AlGaN cladding, blue-violet InGaN laser diode with plasmonic GaN substrate

Szymon Stańczyk, Tomasz Czyszanowski, Robert Kucharski, Anna Kafar, Tadeusz Suski, Łucja Marona, Greg Targowski, Michał Boćkowski, Piotr Perlin

Proceedings Volume 8625, 862513 (2013) https://doi.org/10.1117/12.2002440

KEYWORDS: Cladding, Gallium nitride, Semiconductor lasers, Plasmonics, Indium gallium nitride, Near field optics, Manufacturing, Semiconducting wafers, Waveguides, Doping

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Proceedings Article | 4 March 2013 Paper

High optical power ultraviolet superluminescent InGaN diodes

Anna Kafar, Szymon Stańczyk, Grzegorz Targowski, Robert Czernecki, Przemek Wiśniewski, Mike Leszczyński, Tadeusz Suski, Piotr Perlin

Proceedings Volume 8625, 86251S (2013) https://doi.org/10.1117/12.2002488

KEYWORDS: Diodes, Ultraviolet radiation, Indium gallium nitride, Continuous wave operation, Modulation, Near field optics, Superluminescent diodes, Waveguides, Gallium nitride

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Proceedings Article | 28 February 2012 Paper

Highly doped GaN: a material for plasmonic claddings for blue/green InGaN laser diodes

Piotr Perlin, Tomasz Czyszanowski, Lucja Marona, Szymon Grzanka, Anna Kafar, Szymon Stanczyk, Tadek Suski, Mike Leszczyński, Michal Boćkowski, Grzegorz Muzioł, Maciej Kuc, Robert Sarzała

Proceedings Volume 8262, 826216 (2012) https://doi.org/10.1117/12.906866

KEYWORDS: Gallium nitride, Semiconductor lasers, Refractive index, Absorption, Cladding, Crystals, Plasmonics, Indium gallium nitride, Waveguides, Optical simulations

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Showing 5 of 23 publications

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