Dr. Islam Ashry Profile

Dr. Islam Ashry

Sr. Research Scientist at King Abdullah Univ of Science and Technology

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Author

Publications (15)

Proceedings Article | 13 March 2024 Presentation + Paper

Design trade-offs of ring core fibers (RCFs) for discriminative strain and temperature sensing

Alaaeddine Rjeb, Juan Marin, Islam Ashry, Tien Khee Ng, Boon Ooi

Proceedings Volume 12835, 128350N (2024) https://doi.org/10.1117/12.3001862

KEYWORDS: Acoustics, Refractive index, Design, Scattering, Germanium, Sensing systems, Multicore fiber, Electric fields, Temperature metrology, Single mode fibers

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Proceedings Article | 11 March 2024 Presentation + Paper

Concurrent data and power transmission using mode division multiplexing over a two-mode fiber

Juan Marin, Alaaeddine Rjeb, Islam Ashry, Chun Hong Kang, Tien Khee Ng, Boon Ooi

Proceedings Volume 12893, 128930L (2024) https://doi.org/10.1117/12.3000697

KEYWORDS: Data transmission, Optical transmission, Multiplexing, Continuous wave operation, Receivers, Data communications, Single mode fibers, Photonics, Photodiodes, Optical communications

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Proceedings Article | 8 March 2023 Presentation + Paper

Energy harvesting over a fiber-optic distributed acoustic sensor

Juan Marin, Islam Ashry, Abderrahmen Trichili, Chun Hong Kang, Omar Alkhazragi, Tien Khee Ng, Boon Ooi

Proceedings Volume 12428, 124280P (2023) https://doi.org/10.1117/12.2649910

KEYWORDS: Energy harvesting, Fiber optics sensors, Acoustics, Vibration, Single mode fibers, Pulse signals, Signal detection, Fiber optics

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Proceedings Article | 5 March 2022 Poster + Paper

CNN-based detection of red palm weevil using optical-fiber-distributed acoustic sensing

Islam Ashry, Yuan Mao, Biwei Wang, Mohammed Sait, Yujian Guo, Abdulmoneim Al-Shawaf, Tien Khee Ng, Boon Ooi

Proceedings Volume 12008, 120080U (2022) https://doi.org/10.1117/12.2609308

KEYWORDS: Acoustics, Single mode fibers, Signal to noise ratio, Sensors, Optical sensing, Optical amplifiers, Machine learning, Data modeling, Continuous wave operation, Signal detection

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Proceedings Article | 5 March 2021 Presentation + Paper

Overcoming the OTDR dead-zone using a few-mode fiber

Islam Ashry, Yuan Mao, Biwei Wang, Frode Hveding, Tien Khee Ng, Boon Ooi

Proceedings Volume 11693, 116930Q (2021) https://doi.org/10.1117/12.2577031

KEYWORDS: Digital signal processing, Sensors, Fiber optics sensors, Transducers, Signal detection, Sensing systems, Receivers, Raman spectroscopy, Optical sensing, Optical fibers

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SPIE Journal Paper | 2 July 2020

Prism-based tunable InGaN/GaN self-injection locked blue laser diode system: study of temperature, injection ratio, and stability

Mohammed Z. M. Khan, Sani Mukhtar, Jorge Holguín-Lerma, Omar Alkhazragi, Islam Ashry, Tien K. Ng, Boon Ooi

JNP, Vol. 14, Issue 03, 036001, (July 2020) https://doi.org/10.1117/12.10.1117/1.JNP.14.036001

KEYWORDS: Lawrencium, Semiconductor lasers, Laser systems engineering, Prisms, Infrared imaging, Wavelength tuning, Temperature metrology, Tunable lasers, Diffraction gratings

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Proceedings Article | 2 March 2020 Paper

Hybrid distributed acoustic-temperature sensing using a few-mode fiber

Islam Ashry, Yuan Mao, Tien Khee Ng, Frode Hveding, Muhammad Arsalan, Boon Ooi

Proceedings Volume 11287, 112870N (2020) https://doi.org/10.1117/12.2542689

KEYWORDS: Single mode fibers, Raman spectroscopy, Ferroelectric materials, Wavelength division multiplexing, Signal detection, Optical fibers, Continuous wave operation, Optical filters, Electronic filtering, Bragg cells

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Proceedings Article | 20 November 2019 Paper

Quasi-single mode operated few-mode fiber for distributed acoustic sensing

Islam Ashry, Yuan Mao, Tien Khee Ng, Frode Hveding, Muhammad Arsalan, Boon Ooi

Proceedings Volume 11191, 1119108 (2019) https://doi.org/10.1117/12.2537830

KEYWORDS: Acoustics, Single mode fibers, Sensors, Transducers, Ferroelectric materials, Spatial resolution

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Proceedings Article | 9 September 2019 Presentation + Paper

Performance enhancement of noisy distributed acoustic sensor using normalized differential method

Islam Ashry, Yuan Mao, Mohd Sharizal Alias, Tien Khee Ng, Frode Hveding, Muhammad Arsalan, Boon Ooi

Proceedings Volume 11105, 1110507 (2019) https://doi.org/10.1117/12.2523757

KEYWORDS: Signal to noise ratio, Acoustics, Sensors, Signal processing, Single mode fibers, Optical fibers, Interference (communication), Fiber optics sensors, Transducers

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Proceedings Article | 4 March 2019 Presentation

Investigating Brillouin scattering in a few-mode fiber (Conference Presentation)

Yuan Mao, Islam Ashry, Tien Khee Ng, Boon Ooi

Proceedings Volume 10902, 109021H (2019) https://doi.org/10.1117/12.2509587

KEYWORDS: Scattering, Optical communications, Signal to noise ratio, Telecommunications, Fiber optics sensors, Optical design, Optical sensors

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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 | 5 October 2016 Presentation + Paper

Adaptive mode control in few mode fibers and its applications

Islam Ashry, Peng Lu, Yong Xu

Proceedings Volume 9956, 995612 (2016) https://doi.org/10.1117/12.2236994

KEYWORDS: Adaptive optics, Adaptive control, Optical fibers, Fiber Bragg gratings, Sensors, Signal attenuation, Sensor networks, Absorption, Single mode fibers, Hydrogen

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SPIE Journal Paper | 8 March 2016

Measurement of chromophores density using high Q-factor silica microspheres

Ishac Kandas, Nader Shehata, Chalongrat Daengngam, Islam Ashry, Yong Xu

JNP, Vol. 10, Issue 01, 016012, (March 2016) https://doi.org/10.1117/12.10.1117/1.JNP.10.016012

KEYWORDS: Chromophores, Silica, Nonlinear optics, Coating, Absorption, Molecules, Resonators, Scattering, Signal attenuation, Multilayers

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Proceedings Article | 20 August 2015 Presentation + Paper

Detection of coating fluorophores’ densities in improved Q-factor cavities

Ishac Kandas, Nader Shehata, Chalongrat Daengngam, Islam Ashry, Yong Xu

Proceedings Volume 9556, 95560J (2015) https://doi.org/10.1117/12.2189040

KEYWORDS: Chromophores, Silica, Absorption, Coating, Molecules, Nonlinear optics, Quality measurement, Multilayers, Biosensing, Resonators

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Proceedings Article | 28 September 2013 Paper

Self-assembled nanomaterials for nonlinear fiber optics and tunable plasmonics

Islam Ashry, Chalongrat Daengngam, Ishac Kandas, James Heflin, Hans Robinson, Yong Xu

Proceedings Volume 8845, 88450D (2013) https://doi.org/10.1117/12.2024380

KEYWORDS: Luminescence, Polymers, Plasmonics, Second-harmonic generation, Silica, Coating, Molecular self-assembly, Gold, Nonlinear optics, Molecules

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Showing 5 of 15 publications

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