Dr. Grzegorz Pakulski Profile

Dr. Grzegorz Pakulski

at National Research Council Canada

SPIE Involvement:

Author

Publications (11)

Proceedings Article | 13 March 2024 Presentation + Paper

Narrow-linewidth semiconductor laser with highly-linear frequency modulation response for coherent sensing

Vincent Cardin, Daniel Robin, Sylvain Boudreau, Guy Rousseau, Simon Ayotte, Marie-Claude Vallieres Riendeau, Patrick Larochelle, François Costin, Émile Girard-Deschênes, Philippe Chrétien, Guillaume Brochu, Patrick Dufour, Sébastien Deschênes, Katherine Légaré, Mathieu Faucher, Mohamed Rahim, Grzegorz Pakulski, Muhammad Mohsin, Darren Goodchild, Philip Waldron, Bernard Paquette, Omid Salehzadeh Einabad, Daniel Poitras

Proceedings Volume 12905, 129050F (2024) https://doi.org/10.1117/12.3000397

KEYWORDS: Laser frequency, Frequency modulation, Frequency response, Modulation frequency, Semiconductor lasers, Acoustics, Modulation, Sensing systems, Signal detection, LIDAR, Noise cancelling, Reflectometry

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Proceedings Article | 5 March 2021 Presentation + Paper

A quantum dash mode-locked laser-based photonic aided broadband multi-Gb/s wireless signal delivery system at 5G NR

Khan Zeb, Zhenguo Lu, Jiaren Liu, Youxin Mao, Guocheng Liu, Philip Poole, Chunying Song, Mohamed Rahim, Grzegorz Pakulski, Pedro Barrios, Xiupu Zhang

Proceedings Volume 11711, 117110I (2021) https://doi.org/10.1117/12.2583066

KEYWORDS: Telecommunications, Quantum dots, Mode locking, Signal to noise ratio, Channel projecting optics, Wireless communications, Standards development, Radio optics, Broadband telecommunications, Wireless broadband

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Proceedings Article | 5 March 2021 Presentation + Paper

Quantum dot semiconductor lasers for 5G and beyond wireless networks

Zhenguo Lu, Khan Zeb, Jiaren Liu, Eric Liu, Linda Mao, Philip Poole, Mohamed Rahim, Grzegorz Pakulski, Pedro Barrios, Weihong Jiang, Daniel Poitras

Proceedings Volume 11690, 116900N (2021) https://doi.org/10.1117/12.2577084

KEYWORDS: Extremely high frequency, Quantum dots, Semiconductor lasers, Signal generators, Laser development, Telecommunications, Single mode fibers, Silicon, Satellite communications

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Proceedings Article | 18 February 2009 Paper

A passive mode-locked InAs/InP quantum dot laser with pulse duration of less than 300 fs

Z. Lu, J. Liu, P. Poole, P. Barrios, D. Poitras, S. Raymond, Greg Pakulski

Proceedings Volume 7224, 722413 (2009) https://doi.org/10.1117/12.809525

KEYWORDS: Mode locking, Dispersion, Waveguides, Semiconductor lasers, Picosecond phenomena, Quantum dots, Indium arsenide, Fabry–Perot interferometers, External quantum efficiency, Quantum efficiency

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Proceedings Article | 18 November 2008 Paper

Multiwavelength quantum-dot semiconductor fiber ring laser

Z.G. Lu, J.R. Liu, X.P. Zhang, S. Raymond, P.J. Poole, P.J. Barrios, D. Poitras, S. Haffouz, Z. Wasilewski, G. Pakulski

Proceedings Volume 7135, 713521 (2008) https://doi.org/10.1117/12.803181

KEYWORDS: Semiconductor lasers, Fiber lasers, Polarization, Semiconductors, Quantum wells, Laser systems engineering, Waveguides, Birefringence, Polarizers, Semiconductor materials

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Proceedings Article | 19 November 2007 Paper

Quantum-dot semiconductor waveguide devices

Z. Lu, J. Liu, S. Raymond, P. Poole, P. Barrios, S. Haffouz, D. Poitras, G. Pakulski, S. Taebi, Y. Song, X. Zhang, T. Hall

Proceedings Volume 6782, 67821Y (2007) https://doi.org/10.1117/12.745421

KEYWORDS: Waveguides, Semiconductor lasers, Semiconductors, Optical amplifiers, Signal processing, Semiconductor optical amplifiers, Electrons, Laser damage threshold, Four wave mixing

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Proceedings Article | 8 February 2007 Paper

Properties of GaInNAsSb narrow ridge waveguide laser diodes in continuous-wave operation at 1.55um

James Gupta, Pedro Barrios, Greg Pakulski, Geof Aers, Juan Caballero, Daniel Poitras, Xiaohua Wu

Proceedings Volume 6485, 64850S (2007) https://doi.org/10.1117/12.714271

KEYWORDS: Continuous wave operation, Modulation, Transparency, Fabry–Perot interferometers, Gallium arsenide, Quantum wells, Waveguides, Waveguide lasers, Semiconductor lasers

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Proceedings Article | 22 February 2006 Paper

Properties of a High T0 1.3µm GaInNAs/GaAs Quantum Well Laser Diode

X. Zhang, J. Gupta, P. Barrios, G. Pakulski, X. Wu, A. Delage, T. Hall

Proceedings Volume 6133, 613313 (2006) https://doi.org/10.1117/12.646541

KEYWORDS: Quantum wells, Transparency, Gallium arsenide, Temperature metrology, Semiconductor lasers, Internal quantum efficiency, Electrons, Laser damage threshold, Gallium, Measurement devices

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Proceedings Article | 28 April 2005 Paper

Pressure tuning of GaInNAs laser diodes in external cavity

A. Bercha, F. Dybala, K. Komorowska, P. Adamiec, R. Bohdan, W. Trzeciakowski, J. Gupta, P. Barrios, G. Pakulski, A. Delage, Z. Wasilewski

Proceedings Volume 5722, (2005) https://doi.org/10.1117/12.611325

KEYWORDS: Semiconductor lasers, Gallium arsenide, Mirrors, Liquids, Wavelength tuning, Gallium, Polishing, Diodes, Aluminum, Quantum wells

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Proceedings Article | 20 December 2004 Paper

Transparency current density of GaInNAs lasers

Greg Pakulski, James Gupta, Pedro Barrios, Andre Delage, Daniel Poitras, Xiaohua Wu, Edith Post, Zbigniew Wasilewski

Proceedings Volume 5577, (2004) https://doi.org/10.1117/12.567550

KEYWORDS: Transparency, Quantum wells, Polarization, Gallium arsenide, Gallium, Annealing, Temperature metrology, Waveguide lasers, Plasma, Waveguides

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Proceedings Article | 10 April 1997 Paper

Plasma and thermal effects on the performance of high power floating grating DFB laser

Y. Lee, Genlin Tan, G. Pakulski, Toshi Makino, J. Xu

Proceedings Volume 3038, (1997) https://doi.org/10.1117/12.271454

KEYWORDS: Resistance, Doping, Thermal modeling, Plasma, High power lasers, Heterojunctions, Thermal effects, Performance modeling, Absorption, Etching

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Showing 5 of 11 publications

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