Dr. Mohammad Khaled Shakfa Profile

Dr. Mohammad Khaled Shakfa

Postdoctoral Research Fellow at King Abdullah Univ of Science and Technology

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Publications (8)

SPIE Journal Paper | 22 October 2022 Open Access

Effects of the diameter of thermally generated nanopits on carrier dynamics in AlGaN/GaN heterostructures

Mohamed Bouzidi, Wafa Malek, Noureddine Chaaben, Abdullah Alshammari, Ziaul Raza Khan, Mohamed Gandouzi, Monsour Mohamed, Ahmed Rebey, Abdullah Alatawi, Abdullah Alhassan, Abdullah Alharbi, Jean Paul Salvestrini, Mohammad Khaled Shakfa

OE, Vol. 61, Issue 10, 105106, (October 2022) https://doi.org/10.1117/12.10.1117/1.OE.61.10.105106

KEYWORDS: Annealing, Heterojunctions, Aluminum, Carrier dynamics, Gallium nitride, Gallium, Scanning electron microscopy, Scattering, Temperature metrology, Phonons

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Proceedings Article | 18 April 2021 Presentation + Paper

Mid-infrared laser-based detection of benzene

Mohammad Khaled Shakfa, Ali Elkhazraji, Marco Marangoni, Aamir Farooq

Proceedings Volume 11772, 1177217 (2021) https://doi.org/10.1117/12.2595041

KEYWORDS: Sensors, Carbon dioxide, Mid-IR, Absorption, Nonlinear crystals, Laser applications, Gas lasers, Carbon dioxide lasers, Air contamination, Tunable lasers

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Proceedings Article | 5 March 2021 Presentation + Paper

A widely tunable difference-frequency-generation laser for high-resolution spectroscopy in the 667–865 cm–1 range

Mohammad Khaled Shakfa, Marco Lamperti, Riccardo Gotti, Davide Gatti, Ali Elkhazraji, Khaiyom Hakimov, Marco Marangoni, Aamir Farooq

Proceedings Volume 11670, 116700A (2021) https://doi.org/10.1117/12.2577534

KEYWORDS: Laser spectroscopy, Tunable lasers, Spectroscopy, Carbon dioxide lasers, Laser sources, Signal processing, Nonlinear crystals, Mid-IR, Laser crystals, Crystals

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SPIE Journal Paper | 5 July 2018 Open Access

Review of nanophotonics approaches using nanostructures and nanofabrication for III-nitrides ultraviolet-photonic devices

Mohd Sharizal Alias, Malleswararao Tangi, Jorge A. Holguín-Lerma, Edgars Stegenburgs, Abdullah A. Alatawi, Islam Ashry, Ram Chandra Subedi, Davide Priante, Mohammad Khaled Shakfa, Tien Khee Ng, Boon S. Ooi

JNP, Vol. 12, Issue 04, 043508, (July 2018) https://doi.org/10.1117/12.10.1117/1.JNP.12.043508

KEYWORDS: Gallium nitride, Light emitting diodes, Nanophotonics, Nanostructures, Aluminum, Aluminum nitride, Ultraviolet radiation, Scanning electron microscopy, External quantum efficiency, Silicon

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Proceedings Article | 9 May 2018 Presentation + Paper

Lasing from ZnO nanorods on ITO-coated substrates

M. N. Nordin, D. Priante, M. K. Shakfa, W. Maryam

Proceedings Volume 10682, 106820O (2018) https://doi.org/10.1117/12.2307131

KEYWORDS: Nanorods, Zinc oxide, Random lasers, Scattering, Photons, Laser damage threshold, Laser scattering, Glasses, Optical pumping, Annealing

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Proceedings Article | 4 March 2015 Paper

Recent advances in the field of vertical-external-cavity surface-emitting lasers

Arash Rahimi-Iman, Mahmoud Gaafar, Dalia Al Nakdali, Christoph Möller, Fan Zhang, Matthias Wichmann, Mohammad Shakfa, Ksenia Fedorova, Wolfgang Stolz, Edik Rafailov, Martin Koch

Proceedings Volume 9349, 934906 (2015) https://doi.org/10.1117/12.2079182

KEYWORDS: Mode locking, Quantum wells, Mirrors, Semiconductor lasers, Pulsed laser operation, Second-harmonic generation, Picosecond phenomena, Semiconductors, Diamond, Frequency conversion

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Proceedings Article | 3 March 2014 Paper

Systematic investigation of single- and multi-mode operation in vertical-external-cavity surface-emitting lasers

M. Wichmann, M. Shakfa, M. Scheller, A. Rahimi-Iman, B. Heinen, J. Moloney, S. Koch, M. Koch

Proceedings Volume 8966, 89660N (2014) https://doi.org/10.1117/12.2037871

KEYWORDS: Resonators, Fabry–Perot interferometers, Streak cameras, Interferometry, Terahertz radiation, Mirrors, Output couplers, Optical filters, Laser damage threshold, Interferometers

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Proceedings Article | 15 February 2012 Paper

VECSELs: non-equilibrium effects and two-color operation

M. Wichmann, A. Chernikov, M. Shakfa, A. Bäumner, M. Koch, M. Scheller, J. Hader, J. Moloney, S. Koch

Proceedings Volume 8242, 82420I (2012) https://doi.org/10.1117/12.910273

KEYWORDS: Glasses, Streak cameras, Mirrors, Scattering, Polarization, Quantum wells, Laser scattering, Statistical analysis, Hole burning spectroscopy, Semiconductor lasers

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Showing 5 of 8 publications

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