Dr. Hesham Sakr Profile

Dr. Hesham Sakr

Research Fellow

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Publications (10)

Proceedings Article | 11 January 2023 Presentation

Hollow-core fiber for near-infrared quantum communication

Umberto Nasti, Ian Davidson, Hesham Sakr, Francesco Poletti, Ross Donaldson

Proceedings Volume PC12335, PC123350E (2023) https://doi.org/10.1117/12.2644693

KEYWORDS: Quantum communications, Signal attenuation, Optical communications, Channel projecting optics, Waveguides, Raman spectroscopy, Raman scattering, Quantum key distribution, Optical networks, Optical fibers

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Proceedings Article | 30 May 2022 Presentation

Recent updates on hollow core fibre technology

Austin Taranta, Francesco Poletti, Hesham Sakr, Greg Jasion, John Hayes, Seyed Resz Sandoghchi, Lucy Hooper, S. Mohammad Mousavi, Eric Numkam Fokoua, Arsalan Saljoghei, Hans Christian Mulvad, Marcelo Alonso, Thomas Bradley, Ian Davidson, Yong Chen, David Richardson

Proceedings Volume PC12142, PC1214210 (2022) https://doi.org/10.1117/12.2624457

KEYWORDS: Telecommunications, Glasses, Computing systems, Vertical cavity surface emitting lasers, Silica, Sensors, Quantum computing, Quantum communications, Polarization, Optics manufacturing

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Proceedings Article | 7 March 2022 Presentation

Towards hollow-core optical fibers with lower attenuation than silica fibers

Hesham Sakr, Thomas Bradley, Gregory Jasion, Eric Rodrigue Numkam Fokoua, Seyed Reza Sandoghchi, Ian Davidson, Austin Taranta, Gianluca Guerra, William Shere, Yong Chen, John Hayes, David Richardson, Francesco Poletti

Proceedings Volume PC12028, PC1202802 (2022) https://doi.org/10.1117/12.2615006

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Proceedings Article | 7 March 2022 Poster

Coexistence analysis of classical channels with DV-QKD over hollow core nested antiresonant nodeless fibre (HC-NANF)

Obada Alia, Rodrigo Stange Tessinari, Sima Bahrani, Jaya Sagar, Thomas Bradley, Hesham Sakr, Kerrianne Harrington, John Hayes, Yong Chen, Periklis Petropoulos, David Richardson, Francesco Poletti, George Kanellos, Reza Nejabati, Dimitra Simeonidou

Proceedings Volume PC12015, PC1201519 (2022) https://doi.org/10.1117/12.2606802

KEYWORDS: Single mode fibers, Terahertz radiation, Raman scattering, Quantum key distribution, Quantum communications, Channel projecting optics

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Proceedings Article | 5 March 2021 Presentation + Paper

Towards low loss hollow core optical fibers

Thomas Bradley, Gregory Jasion, Hesham Sakr, Ian Davidson, John Hayes, Austin Taranta, Kerrianne Harrington, Eric Numkam Fokoua, Yong Chen, David Richardson, Francesco Poletti

Proceedings Volume 11713, 117130A (2021) https://doi.org/10.1117/12.2579577

KEYWORDS: Optical fibers, Telecommunications, Signal attenuation, Optical communications

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Proceedings Article | 31 January 2020 Open Access

Recent breakthroughs in hollow core fiber technology

Gregory Jasion, Thomas Bradley, Hesham Sakr, John Hayes, Yong Chen, Austin Taranta, Hans Christian Mulvad, Ian Davidson, Natalie Wheeler, Eric Numkam Fokoua, Wei Wang, David Richardson, Francesco Poletti

Proceedings Volume 11309, 1130902 (2020) https://doi.org/10.1117/12.2548585

KEYWORDS: Capillaries, Structured optical fibers, Signal attenuation, Scattering, Single mode fibers, Hollow waveguides

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Proceedings Article | 26 February 2019 Paper

Design of photonic crystal fiber for efficient supercontinuum generation

Hesham Sakr, Rasha Hussein, Mohamed Farhat Hameed, S. S. Obayya

Proceedings Volume 10912, 109121I (2019) https://doi.org/10.1117/12.2509432

KEYWORDS: Silicon, Supercontinuum generation, Dispersion, Waveguides, Photonic crystal fibers, Silica, Optical fibers, Refractive index, Telecommunications, Picosecond phenomena

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Proceedings Article | 1 September 2017 Paper

A study of MIR photoluminescence from Pr3+ doped chalcogenide fibers pumped at near-infrared wavelengths

S. Sujecki, L. Sojka, E. Beres-Pawlik, R. Piramidowicz, H. Sakr, Z. Tang, E. Barney, D. Furniss, T. Benson, A. Seddon

Proceedings Volume 10455, 1045504 (2017) https://doi.org/10.1117/12.2280098

KEYWORDS: Luminescence, Chalcogenides, Mid-IR, Light sources, Chalcogenide glass

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Proceedings Article | 7 March 2016 Presentation + Paper

Ge-Sb-Se glass fiber-optics for in-vivo mid-infrared optical biopsy

H. Parnell, J. Butterworth, H. Sakr, Z. Tang, D. Furniss, T. Benson, C. Scotchford, A. Seddon

Proceedings Volume 9703, 970309 (2016) https://doi.org/10.1117/12.2209044

KEYWORDS: Optical fibers, In vivo imaging, Biopsy, Cancer, Glasses, Mid-IR, Chalcogenide glass, Fiber optics, Black bodies, Light sources, Crystals, Tissue optics, Germanium, Neodymium

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Proceedings Article | 20 February 2014 Paper

Towards mid-infrared fiber-lasers: rare earth ion doped, indium-containing, selenide bulk glasses and fiber

H. Sakr, Z. Tang, D. Furniss, L. Sojka, N. Moneim, E. Barney, S. Sujecki, T. Benson, A. Seddon

Proceedings Volume 8938, 89380V (2014) https://doi.org/10.1117/12.2039405

KEYWORDS: Glasses, Absorption, Mid-IR, Chalcogenide glass, Ions, Gallium, Phonons, Optical filters, Indium, FT-IR spectroscopy

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Showing 5 of 10 publications

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