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Dr. ir. Zhongtao Ouyang (Doctoral Researcher)

This person worked in the group from 2019 till 2025.

Affiliation:	Ghent University - IMEC Department of Information Technology (INTEC)
Address:	Technologiepark-Zwijnaarde 126 9052 Ghent Belgium
Office:	iGent, Office 150.027
Phone:	+32-485-857 151
Research Area:	GaAs-InGaAs nanoridge lasers
Promotor:	Dries Van Thourhout
PhD Thesis:	Zhongtao Ouyang, Ultracompacte en laagdrempelige nano-ridge-lasers epitaxiaal gegroeid op silicium, Ultra-Compact and Low-Threshold Nano-Ridge Lasers Epitaxially Grown on Silicon, 8/2025

2016-2019 Master of Material Physics and Chemistry, in Nankai University, China.
2012-2016 Bachelor of Optoelectronic Materials and Devices, in Changchun University of Science and Technology, China.

Publications (12)

International Journals

D. Colucci, U. Pfister, R. Alcotte, P. Swekis, M. De Maeyer, Z. Ouyang, T. Vandekerckhove, Y. Mols, R. Langer, M. Jetter, S. Luca Portalupi, P. Michler, G. Pourtois, D. Van Thourhout, B. Kunert, Single-photon source monolithically integrated on a 300 mm silicon wafer using III-V nano-ridge engineering, ACS Photonics, 12(7), p.3626-3634 doi:10.1021/acsphotonics.5c00526 (2025) .
E.M.B. Fahmy, Z. Ouyang, D. Colucci, N. Le Thomas, J. Van Campenhout, B. Kunert, D. Van Thourhout, One-Dimensional Photonic Crystal Nano-Ridge Surface Emitting Lasers Epitaxially Grown on a Standard 300 mm Silicon Wafer, accepted for publication in Light: Science & Applications, (to be published).
Z. Ouyang, E.M.B. Fahmy, D. Colucci, A. Yimam, J. Van Campenhout, B. Kunert, D. Van Thourhout, Ultra-compact InGaAs-GaAs nano-ridge laser monolithically grown on 300 mm silicon substrate, Optics Letters, 50(7), p. 2358-2361 (2025) .
Z. Ouyang, D. Colucci, E.M.B. Fahmy, A. Yimam, J. Van Campenhout, B. Kunert, D. Van Thourhout, InGaAs/GaAs nano-ridge laser with an amorphous silicon grating monolithically grown on a 300mm Si wafer , Optics Letters, (2024) .

International Conferences

E.M.B. Fahmy, T. Coenen, Z. Ouyang, D. Van Thourhout, A Novel Surface-Emitting Laser Using Coupled InGaAs/GaAs Nano-Ridges on Si: Insights from Cathodoluminescence, Conference on Lasers and Electro-Optics Europe, Germany, p.1 (2025) .
E.M.B. Fahmy, Z. Ouyang, D. Van Thourhout, InGaAs/GaAs Nano-Ridge Laser Based on Bound States in the Continuum Epitaxially Grown on a Si Wafer, IEEE Siphotonics, United Kingdom, p.paper WC6 (2 pages) (2025).
E.M.B. Fahmy, Z. Ouyang, D. Van Thourhout, Slow-Light Lasing in 1D Photonic crystal InGaAs/GaAs Nano-Ridges Epitaxially Grown on a Si Wafer , Photonics West, 13371, United States, p.paper 133710V (5 pages) doi:10.1117/12.3043386 (2025).
Z. Ouyang, D. Colucci, E.M.B. Fahmy, A. Yimam, J. Van Campenhout, B. Kunert, D. Van Thourhout, Compact 1.31 μm-emission In0.45Ga0.55As/ In0.25Ga0.75As photonic crystal nano-ridge laser monolithically grown on 300 mm silicon substrate, SPIE Europe 2024, France, p.130120D (2024) .
Z. Ouyang, E. Fahmy, D. Colucci, A. Yimam, B. Kunert, D. Van Thourhout, Side-amorphous-silicon-grating InGaAs/GaAs nano-ridge distributed feedback laser monolithically grown on 300 mm silicon substrate, Asia Communications and Photonics Conference 2023, China, p.paper ACPPOEM 0731-152 (3 pages) (2023) .
Z. Ouyang, E. Fahmy, A. Yimam, B.Kunert, D. Van Thourhout, Low-optical-pumping-threshold InGaAs/GaAs Nano-ridge Laser Monolithically Grown on 300 mm Silicon Substrate, Conference on Lasers and Electro-Optics, United States, p.paper STh3H.3 (2 pages) (2023) .
Z. Ouyang, E. Fahmy, D. Colucci, A. Yimam, B. Kunert, D. Van Thourhout, Top-amourous-silicon-grating InGaAs+GaAs nano-ridge distributed feedback laser monolithically grown on 300 mm silicon substrate, IEEE Photonic Benelux Annual Symposium, Netherlands, (2022) .
E. Fahmy, Z. Ouyang, D. Van Thourhout, Amorphous Silicon side-wall grating DFB InGaAs/GaAs nano-ridge laser epitaxially grown on a Si wafer, IEEE Benelux Photonics Chapter - Annual Symposium 2022, Netherlands, p.poster 19 (2022) .

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