The University of Southampton
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Zepler Institute
Telephone:
28097
Email:
H.sakr@soton.ac.uk

Dr Hesham Sakr 

Member of Microstructured Optical Fibres 

Member of Compound Glass and Fibres

Dr Hesham Sakr started his Engineering career at the Mansoura University, Egypt, before enrolling in an Undergraduate Degree in Electrical and Electronic Engineering at the University of Nottingham, UK, graduating with a First Class BEng (Hons). Hesham then commenced a PhD at the Mid-Infrared Photonics Group, University of Nottingham, UK, in the rapidly- developing field of mid-infrared (IR) passive and active fibre-optics. The PhD was funded by the award: “University of Nottingham, Dean of Engineering Research Scholarship for International Excellence”. Following his PhD, Hesham joined the Centre for Photonics and Smart Materials (CPSM) at Zewail City of Science and Technology, Egypt as a Senior Instructor. Currently, Hesham is a Research Fellow at the Microstructured Optical Fibres group, ORC, University of Southampton, UK. His work focuses on producing low-loss hollow core microstructured fibres for high power delivery and telecoms applications.

Research

Research interests

Dr Sakr's research interests include near- and mid-infrared glass preparation and characterisation; active and passive optical fibres; optics and photonics.

Publications

Bradley, Thomas, Hayes, John, Chen, Yong, Jasion, Gregory, Sandoghchi, Seyed Reza, Slavík, Radan, Numkam Fokoua, Eric, Bawn, Simon, Sakr, Hesham, Davidson, Ian, Taranta, Austin, Thomas, Jamie, Petrovich, Marco, Richardson, David and Poletti, Francesco (2018) Record low-loss 1.3dB/km data transmitting antiresonant hollow core fibre. In 2018 European Conference on Optical Communication (ECOC). IEEE. pp. 1-3 . (doi:10.1109/ECOC.2018.8535324).

Sakr, Hesham, Jasion, Gregory, Hong, Yang, Chen, Yong, Kim, Hyuntai, Hayes, John, Numkam Fokoua, Eric, Bradley, Thomas, Davidson, Ian, Bottrill, Kyle, Taengnoi, Natsupa, Petropoulos, Periklis, Richardson, David and Poletti, Francesco (2019) Ultrawide bandwidth hollow core fiber for interband short reach data transmission. Optical Fiber Communications, , San Diego, United States. 03 - 07 Mar 2019. paper Th4A.1 .

Sakr, Hesham, Jasion, Gregory, Bradley, Thomas, Chen, Yong, Hayes, John, Davidson, Ian, Mulvad, Hans, Xu, Lin, Richardson, David and Poletti, Francesco (2019) Record low loss hollow core fiber for the 1µm region. 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019, ICM – International Congress Centre, Munich, Germany. 22 - 26 Jun 2019. (doi:10.1109/CLEOE-EQEC.2019.8871753).

Bradley, Thomas, Jasion, Gregory, Hayes, John, Chen, Yong, Hooper, Lucy, Sakr, Hesham, Alonso, Marcelo, Taranta, Austin, Saljoghei, Arsalan, Mulvad, Hans Christian, Fake, Mike, Davidson, Ian, Wheeler, Natalie, Numkam Fokoua, Eric, Wang, Wei, Sandoghchi, Seyed Reza, Richardson, David J. and Poletti, Francesco (2019) Antiresonant Hollow Core Fibre with 0.65 dB/km Attenuation across the C and L Telecommunication bands. In ECOC 2019. 4 pp . (doi:10.1049/cp.2019.1028).

Jung, Yongmin, Kim, Hyuntai, Chen, Yong, Bradley, Thomas, Davidson, Ian, Hayes, John, Jasion, Gregory, Sakr, Hesham, Rikimi, Shuichiro, Poletti, Francesco and Richardson, David (2020) Data for Compact micro-optic based components for hollow core fibers. University of Southampton doi:10.5258/SOTON/D1143 [Dataset]

Jung, Yongmin, Kim, Hyuntai, Chen, Yong, Bradley, Thomas, Davidson, Ian, Hayes, John Richard, Jasion, Gregory, Sakr, Hesham, Rikimi, Shuichiro, Poletti, Francesco and Richardson, David (2020) Compact micro-optic based components for hollow core fibers. Optics Express, 28 (2), 1518-1525. (doi:10.1364/OE.28.001518).

Sakr, Hesham, Hong, Yang, Bradley, Thomas, Jasion, Gregory, Hayes, John, Kim, Hyuntai, Davidson, Ian, Numkam Fokoua, Eric, Chen, Yong, Bottrill, Kyle, Taengnoi, Natsupa, Wheeler, Natalie, Petropoulos, Periklis, Richardson, David and Poletti, Francesco (2020) Dataset for: Interband Short Reach Data Transmission in Ultrawide Bandwidth Hollow Core Fiber. University of Southampton doi:10.5258/SOTON/D1083 [Dataset]

Jung, Yongmin, Bradley, Thomas, Hayes, John Richard, Jasion, Gregory, Davidson, Ian, Sakr, Hesham, Chen, Yong, Poletti, Francesco and Richardson, David (2019) Multiport micro-optic devices for hollow core fibre applications. 45th European Conference on Optical Communication (ECOC 2019), , Dublin, Ireland. 22 - 26 Sep 2019. pp. 1-3 .

Sakr, Hesham, Bradley, Thomas, Hayes, John Richard, Kim, Hyuntai, Jasion, Gregory, Davidson, Ian, Numkam Fokoua, Eric, Wheeler, Natalie, Hong, Yang, Chen, Yong, Poletti, Francesco, Richardson, David, Petropoulos, Periklis, Bottrill, Kyle and Taengnoi, Natsupa (2020) Interband short reach data transmission in ultrawide bandwidth hollow core fiber. Journal of Lightwave Technology, 38 (1), 159-165, [8846715]. (doi:10.1109/JLT.2019.2943178).

Hong, Yang, Sakr, Hesham, Taengnoi, Natsupa, Bottrill, Kyle, Bradley, Thomas, Hayes, John, Jasion, Gregory, Kim, Hyuntai, Thipparapu, Naresh Kumar, Wang, Yu, Umnikov, Andrey A, Sahu, Jayanta, Poletti, Francesco, Petropoulos, Periklis and Richardson, David (2020) Multi-band Direct-Detection Transmission over an Ultrawide Bandwidth Hollow-Core NANF. University of Southampton doi:10.5258/SOTON/D1145 [Dataset]

Hong, Yang, Sakr, Hesham, Taengnoi, Natsupa, Bottrill, Kyle, Bradley, Thomas, Hayes, John Richard, Jasion, Gregory, Kim, Hyuntai, Thipparapu, Naresh Kumar, Wang, Yu, Umnikov, Andrey A., Sahu, Jayanta, Poletti, Francesco, Petropoulos, Periklis and Richardson, David (2020) Multi-band direct-detection transmission over an ultrawide bandwidth hollow-core NANF. Journal of Lightwave Technology, 38 (10), 2848-2856, [8962020]. (doi:10.1109/JLT.2020.2967581).

Ventura, Andrea, Hayashi, Juliano, Cimek, Jaroslaw, Jasion, Gregory, Janicek, Petr, Ben Slimen, Fedia, White, Nicholas, Fu, Qiang, Xu, Lin, Sakr, Hesham, Wheeler, Natalie, Richardson, David and Poletti, Francesco (2020) Dataset for: Extruded Tellurite Antiresonant Hollow Core Fiber for Mid-IR Operation. University of Southampton doi:10.5258/SOTON/D1255 [Dataset]

Davidson, Ian, Partridge, Matthew C, Hayes, John, Chen, Yong, Bradley, Thomas, Sakr, Hesham, Rikimi, Shuichiro, Jasion, Gregory, Numkam Fokoua, Eric, Petrovich, Marco, Poletti, Francesco, Richardson, David and Wheeler, Natalie (2019) Tubular anti-resonant hollow core fiber for visible Raman spectroscopy. Ballato, John and Dong, Liang (eds.) In Sixth International Workshop on Specialty Optical Fibers and Their Applications (WSOF 2019): Conference Digest. vol. 11206, SPIE. 7 pp .

Davidson, Ian, Partridge, Matthew C, Hayes, John, Chen, Yong, Bradley, Thomas, Sakr, Hesham, Rikimi, Shuichiro, Jasion, Gregory, Numkam Fokoua, Eric, Petrovich, Marco, Poletti, Francesco, Richardson, David and Wheeler, Natalie (2020) Dataset for Tubular anti-resonant hollow core fiber for visible Raman spectroscopy. University of Southampton doi:10.5258/SOTON/D1363 [Dataset]

Jasion, Gregory, Bradley, Thomas, Harrington, Kerrianne, Sakr, Hesham, Chen, Yong, Numkam Fokoua, Eric, Davidson, Ian, Taranta, Austin, Hayes, John, Richardson, David J. and Poletti, Francesco (2020) Hollow core NANF with 0.28 dB/km attenuation in the C and L bands. In 2020 Optical Fiber Communications Conference and Exhibition, OFC 2020 - Proceedings. OSA. 3 pp . (doi:10.1364/OFC.2020.Th4B.4).

Petropoulos, P., Hayes, J.R., Jasion, G.T., Sahu, J.K., Poletti, F., Richardson, D.J., Hong, Y., Bottrill, K., Taengnoi, N., Sakr, H., Bradley, T.D., Thipparapu, N.K., Wang, Y. and Umnikov, A.A. (2019) Extending the optical bandwidth of optical communication systems. Asia Communications and Photonics Conference 2019, , Chengdu, China. 02 - 05 Nov 2019.

Sakr, H., Bottrill, K.R.H., Taengnoi, N., Petropoulos, P., Richardson, D.J., Poletti, F., Hong, Y., Bradley, T.D., Jasion, G.T., Hayes, J.R., Kim, H., Davidson, I.A., Numkam Fokoua, E. and Chen, Yong (2019) Hollow core optical fibres for ultra-wideband optical communications. Asia Communications and Photonics Conference 2019, , Chengdu, China. 02 - 05 Nov 2019.

Nespola, A., Straullu, S., Bradley, T.D., Harrington, K., Sakr, H., Jasion, G.T., Numkam Fokoua, E., Jung, Yongmin, Chen, Yong, Hayes, J.R., Forghieri, F., Richardson, D.J., Poletti, F., Bosco, G. and Poggiolini, P. (2020) Transmission of 61 C-band channels with L-band interferers over record 618km of hollow-core-fiber. In Optical Fiber Communication Conference 2020. Optical Society of America.. (doi:10.1364/OFC.2020.Th4B.5).

Ventura, Andrea, Hayashi, Juliano, Cimek, Jaroslaw, Jasion, Gregory, Janicek, Petr, Ben Slimen, Fedia, White, Nicholas, Fu, Qiang, Xu, Lin, Sakr, Hesham, Wheeler, Natalie, Richardson, David and Poletti, Francesco (2020) Extruded tellurite antiresonant hollow core fiber for mid-IR operation. Optics Express, 28 (11), 16542-16553. (doi:10.1364/OE.390517).

Ventura, A., Hayashi, J.G., Cimek, J., Ben Slimen, F., White, N., Sakr, H., Wheeler, N.V. and Poletti, F. (2019) Tellurite antiresonant hollow core microstructured fiber for mid-IR power delivery. Frontiers in Optics: Laser Science, , Washington, DC. 15 - 19 Sep 2019. (doi:10.1364/FIO.2019.JTu4A.17).

Sakr, Hesham, Chen, Yong, Bradley, Thomas, Jasion, Gregory, Hayes, John Richard, Davidson, Ian, Numkam Fokoua, Eric, Wheeler, Natalie, Richardson, David and Poletti, Francesco (2020) Advances in hollow core fiber for the 1μm and visible wavelength regions. Advanced Photonics Congress 2020 - Specialty Optical Fibers (SOF)​: (OSA Virtual Event - Eastern Daylight Time). 13 - 16 Jul 2020. paper: SoW1H.5 .

Sakr, Hesham, Chen, Yong, Jasion, Gregory, Bradley, Thomas, Mulvad, Hans, Hayes, John, Davidson, Ian, Numkam Fokoua, Eric and Poletti, Francesco (2020) Dataset for: Hollow Core Optical Fibres with Comparable Attenuation 1 to Silica Fibres 2 between 600 and 1100 nm. University of Southampton doi:10.5258/SOTON/D1403 [Dataset]

Hong, Yang, Bottrill, Kyle, Taengnoi, Natsupa, Sakr, Hesham, Bradley, Thomas, Hayes, John R., Jasion, Gregory, Poletti, Francesco, Richardson, David and Petropoulos, Periklis (2020) Beyond 100-Gb/s/λ direct-detected transmission over the S+C+L-bands in an ultra-wide bandwidth hollow core fibre. 45th European Conference on Optical Communication (ECOC 2019), , Dublin, Ireland. 22 - 26 Sep 2019. (doi:10.1049/cp.2019.1013).

Hong, Yang, Bottrill, Kyle, Taengnoi, Natsupa, Sakr, Hesham, Bradley, Thomas, Hayes, John, Jasion, Gregory, Poletti, Francesco, Richardson, David and Petropoulos, Periklis (2020) Dataset for: Beyond 100-Gb/s/λ direct-detected transmission over the S+C+L-bands in an ultra-wide bandwidth hollow core fibre. University of Southampton doi:10.5258/SOTON/D0887 [Dataset]

Hong, Yang, Taengnoi, Natsupa, Bottrill, Kyle, Sakr, Hesham, Bradley, Thomas, Hayes, John, Jasion, Gregory, Wang, Yu, Thipparapu, Naresh Kumar, Umnikov, Andrey A, Sahu, Jayanta, Poletti, Francesco, Petropoulos, Periklis and Richardson, David (2020) Dataset for: Dual O+C-band WDM transmission over 1-km hollow core NANF using an O-Band Bismuth-doped fibre amplifier. University of Southampton doi:10.5258/SOTON/D0889 [Dataset]

Hong, Yang, Taengnoi, Natsupa, Bottrill, Kyle, Sakr, Hesham, Bradley, Thomas, Hayes, John R., Jasion, Gregory, Wang, Yu, Thipparapu, Naresh Kumar, Umnikov, Andrey A, Sahu, Jayanta, Poletti, Francesco, Petropoulos, Periklis and Richardson, David (2020) Dual O+C-band WDM transmission over 1-km hollow core NANF using an O-Band bismuth-doped fibre amplifier. 45th European Conference on Optical Communication (ECOC 2019), , Dublin, Ireland. 22 - 26 Sep 2019. (doi:10.1049/cp.2019.0848).

Sakr, Hesham, Chen, Yong, Jasion, Gregory, Bradley, Thomas, Hayes, John Richard, Mulvad, Hans Christian, Davidson, Ian, Numkam Fokoua, Eric and Poletti, Francesco (2020) Hollow core optical fibres with comparable attenuation to silica fibres between 600 and 1100 nm. Nature Communications, 11, [6030]. (doi:10.1038/s41467-020-19910-7).

Nespola, Antonino, Strallu, Stefano, Bradley, Thomas, Harrington, Kerrianne, Sakr, Hesham, Jasion, Gregory, Numkam Fokoua, Eric, Jung, Yongmin, Chen, Yong, Hayes, John Richard, Forghieri, Fabrizio, Richardson, David, Poletti, Francesco, Bosco, Gabriella and Poggiolini, Pierluigi (2021) Transmission of 61 C-band channels over record distance of hollow-core-fiber with L-band interferers. IEEE Journal of Lightwave Technology, 39 (3), 813-820, [9309355]. (doi:10.1109/JLT.2020.3047670).

Hong, Yang, Bottrill, Kyle, Bradley, Thomas, Sakr, Hesham, Jasion, Gregory, Harrington, Kerrianne, Poletti, Francesco, Petropoulos, Periklis and Richardson, David (2021) Low-latency WDM intensity-modulation and direct-detection transmission over >100km distances in a hollow core fiber. University of Southampton doi:10.5258/SOTON/D1864 [Dataset]

Hong, Yang, Bottrill, Kyle, Bradley, Thomas, Sakr, Hesham, Jasion, Gregory, Harrington, Kerrianne, Poletti, Francesco, Petropoulos, Periklis and Richardson, David J. (2021) Low-latency WDM intensity-modulation and direct-detection transmission over >100km distances in a hollow core fiber. Laser & Photonics Reviews, 15 (9), [2100102]. (doi:10.1002/lpor.202100102).

Shi, Bo, Sakr, Hesham, Hayes, John, Wei, Xuhao, Numkam Fokoua, Eric, Ding, Meng, Feng, Zitong, Marra, Giuseppe, Poletti, Francesco, Richardson, David and Slavik, Radan (2021) Dataset for "Thinly-coated hollow core fiber for improved thermal phase-stability performance". University of Southampton doi:10.5258/SOTON/D1964 [Dataset]

Shi, Bo, Sakr, Hesham, Hayes, John, Wei, Xuhao, Numkam Fokoua, Eric, Ding, Meng, Feng, Zitong, Marra, Giuseppe, Poletti, Francesco, Richardson, David J. and Slavík, Radan (2021) Thinly coated hollow core fiber for improved thermal phase-stability performance. Optics Letters, 5177 - 5180. (doi:10.1364/OL.438302).

Mulvad, Hans, Abokhamis Mousavi, Seyed Mohammad, Zuba, Viktor, Xu, Lin, Sakr, Hesham, Bradley, Thomas, Hayes, John, Jasion, Gregory, Numkam Fokoua, Eric, Taranta, Austin, Alam, Shaif-Ul, Richardson, David and Poletti, Francesco (2022) Data set for: Kilowatt average power single-mode laser light transmission over kilometre-scale hollow core fibre. University of Southampton doi:10.5258/SOTON/D2154 [Dataset]

Ding, Meng, Numkam Fokoua, Eric, Hayes, John, Sakr, Hesham, Horak, Peter, Poletti, Francesco, Richardson, David J. and Slavík, Radan (2022) Hollow core fiber Fabry-Perot interferometers with reduced sensitivity to temperature. Optics Letters, 47 (10), 2510-2513. (doi:10.1364/OL.456589).

Ding, Meng, Numkam Fokoua, Eric, Hayes, John, Sakr, Hesham, Horak, Peter, Richardson, David and Slavik, Radan (2022) Hollow core fiber Fabry-Perot interferometers with reduced sensitivity to temperature. University of Southampton doi:10.5258/SOTON/D2170 [Dataset]

Jasion, Gregory T., Bradley, Thomas, Sakr, Hesham, Hayes, John R., Chen, Yong, Taranta, Austin, Mulvad, Hans Christian, Davidson, Ian A., Wheeler, Natalie V., Numkam Fokoua, Eric, Wang, Wei, Richardson, David J. and Poletti, Francesco (2020) Recent breakthroughs in hollow core fiber technology. Li, Guifang and Zhou, Xiang (eds.) In Next-Generation Optical Communication: Components, Sub-Systems, and Systems IX. vol. 11309, SPIE.. (doi:10.1117/12.2548585).

Shi, Bo, Buscemi, Guiseppe, Feng, Zitong, Sakr, Hesham, Hayes, John, Numkam Fokoua, Eric Rodrigue, Ding, Meng, Poletti, Francesco, Richardson, David and Slavik, Radan (2022) Dataset for "Temperature-insensitive delay-line fiber interferometer operating at room temperature". University of Southampton doi:10.5258/SOTON/D2243 [Dataset]

Shi, Bo, Marra, Giuseppe, Feng, Zitong, Sakr, Hesham, Hayes, John R., Numkam Fokoua, Eric R., Ding, Meng, Poletti, Francesco, Richardson, David J. and Slavik, Radan (2022) Temperature insensitive delay-line fiber interferometer operating at room temperature. Journal of Lightwave Technology, 1-1. (doi:10.1109/JLT.2022.3177646).

Zhang, Xi, Feng, Zitong, Marpaung, David, Numkam Fokoua, Eric, Sakr, Hesham, Hayes, John R., Poletti, Francesco, Richardson, David J. and Slavík, Radan (2022) Low-loss microwave photonics links using hollow core fibres. Light: Science & Applications, 11 (1). (doi:10.1038/s41377-022-00908-3).

Mulvad, Hans C., Abokhamis Mousavi, Seyed Mohammad, Zuba, Viktor, Xu, Lin, Sakr, Hesham, Bradley, Thomas, Hayes, John, Jasion, Gregory, Numkam Fokoua, Eric, Taranta, Austin, Alam, S.U., Richardson, David J. and Poletti, Francesco (2022) Kilowatt-average-power single-mode laser light transmission over kilometre-scale hollow-core fibre. Nature Photonics, 16 (6), 448-453. (doi:10.1038/s41566-022-01000-3).

Feng, Zitong, Marra, Giuseppe, Zhang, Xi, Numkam Fokoua, Eric, Sakr, Hesham, Hayes, John R, Poletti, Francesco, Richardson, David J. and Slavík, Radan (2022) Stable optical frequency comb distribution enabled by hollow-core fibers. Laser & Photonics Reviews, [2200167]. (doi:10.1002/lpor.202200167).

Contact

Telephone: +44 (0) 23 8059 8097

Email: H.sakr@soton.ac.uk

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