Ghent University Academic Bibliography

360 Gbps Ge-on-Si avalanche photodiodes operating in the O- and C-band

Amir Khaled Abdelhamid Mohamed Shahin (UGent) , Conor Coughlan, Cédric Bruynsteen (UGent) , Mathias Berciano, Didit Yudistira, Roger Loo (UGent) , Hakim Kobbi, Leandro Da Silva (UGent) , Nishant Singh (UGent) , Peter Verheyen, et al.

(2026) 2026 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXHIBITION, OFC.

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Journal Article
A1
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High-performance thermally-robust C-band GeSi FK electro-absorption modulators on 300-mm silicon photonics platform

Dharmander Malik, Minkyu Kim, Hakim Kobbi, Conor Coughlan, Zohauddin Ahmad, Mathias Berciano, Guy Lepage, Roger Loo (UGent) , Huseyin Sar, Swetanshu Bipul, et al.

(2026) OPTICS EXPRESS. 34(11). p.19467-19477

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RF equivalent circuit model for GeSi quantum confined stark effect electro-absorption modulators

Ahmed Kandeel (UGent) , Minkyu Kim, Amir Khaled Abdelhamid Mohamed Shahin (UGent) , Peter De Heyn, Chih-Kuo Neil Tseng, Javad Rahimi Vaskasi, Yosuke Shimura, Maumita Chakrabarti, Dimitrios Velenis, Dries Van Thourhout (UGent) , et al.

(2025) IEEE PHOTONICS TECHNOLOGY LETTERS. 37(7). p.421-424

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A1
open access

Low-loss integration of high-density polymer waveguides with silicon photonics for co-packaged optics

Jef Van Asch (UGent) , Jeroen Missinne (UGent) , Junwen He, Arnita Podpod, Guy Lepage, Negin Golshani, Rafal Magdziak, Huseyin Sar, Hakim Kobbi, Swetanshu Bipul, et al.

(2025) OPTICA. 12(6). p.821-830

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Conference Paper
P1
open access

Integration methods for co-packaged optics using SiN-to-polymer waveguide coupling

Jef Van Asch (UGent) , Jeroen Missinne (UGent) , Junwen He, Arnita Podpod, Guy Lepage, Negin Golshani, Rafal Magdziak, Huseyin Sar, Hakim Kobbi, Swetanshu Bipul, et al.

(2025) 2025 30TH OPTOELECTRONICS AND COMMUNICATIONS CONFERENCE, OECC AND 2025 INTERNATIONAL CONFERENCE ON PHOTONICS IN SWITCHING AND COMPUTING, PSC. In Opto-Electronics and Communications Conference-OECC

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Conference Paper
P1
open access

Beyond 100 GHz, high responsivity, waveguide-coupled deeply recessed germanium on silicon photodiode

Amir Khaled Abdelhamid Mohamed Shahin (UGent) , Mathias Berciano, Conor Coughlan, Didit Yudistira, Shuchi Kaushik, Roger Loo (UGent) , Hakim Kobbi, Minkyu Kim, Patrick Carolan, Marta Agati, et al.

(2025) 2025 30TH OPTOELECTRONICS AND COMMUNICATIONS CONFERENCE, OECC AND 2025 INTERNATIONAL CONFERENCE ON PHOTONICS IN SWITCHING AND COMPUTING, PSC. In Opto-Electronics and Communications Conference-OECC p.1-3

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Conference Paper
P1
open access

70 GHz, 2 A/W, waveguide-coupled germanium-in-silicon avalanche photodiode

Amir Khaled Abdelhamid Mohamed Shahin (UGent) , Conor Coughlan, Mathias Berciano, Didit Yudistira, Shuchi Kaushik, Roger Loo (UGent) , Hakim Kobbi, Patrick Carolan, Marta Agati, Dries Van Thourhout (UGent) , et al.

(2025) 2025 EUROPEAN CONFERENCE ON OPTICAL COMMUNICATIONS, ECOC.

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Journal Article
A1
open access

Enhanced operation range of silicon MZI filters using a broadband bent directional coupler

Ahmed Bayoumi (UGent) , Mehmet Can Oktay (UGent) , Alaa Walid Ahmed Elshazly (UGent) , Hakim Kobbi, Rafal Magdziak, Guy Lepage, Chiara Marchese, Javad Rahimi Vaskasi, Swetanshu Bipul, Dieter Bode, et al.

(2025) IEEE PHOTONICS TECHNOLOGY LETTERS. 37(9). p.500-503

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64 Gb/s O-band GeSi quantum-confined stark effect electro-absorption modulators integrated in a 300mm silicon photonics platform

Ahmed Kandeel (UGent) , Gaspard Hiblot, Clement Porret, Srinivasan Ashwyn Srinivasan, Yosuke Shimura, Roger Loo (UGent) , Mathias Berciano, Chih-Kuo Neil Tseng, Dharmander Malik, Alexey Milenin, et al.

(2025) JOURNAL OF LIGHTWAVE TECHNOLOGY. 43(6). p.2794-2802

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110 GHz GeSi electroabsorption modulator on a 300mm SiPh platform enabling high-density 400G/lane IM/DD links

Cédric Bruynsteen (UGent) , Zohauddin Ahmad, Leandro Da Silva (UGent) , Minkyu Kim, Conor Coughlan, Dharmander Malik, Mathias Berciano, Guy Lepage, Roger Loo (UGent) , Hakim Kobbi, et al.

(2025) 2025 EUROPEAN CONFERENCE ON OPTICAL COMMUNICATIONS, ECOC.

Academic Bibliography

360 Gbps Ge-on-Si avalanche photodiodes operating in the O- and C-band

High-performance thermally-robust C-band GeSi FK electro-absorption modulators on 300-mm silicon photonics platform

RF equivalent circuit model for GeSi quantum confined stark effect electro-absorption modulators

Low-loss integration of high-density polymer waveguides with silicon photonics for co-packaged optics

Integration methods for co-packaged optics using SiN-to-polymer waveguide coupling

Beyond 100 GHz, high responsivity, waveguide-coupled deeply recessed germanium on silicon photodiode

70 GHz, 2 A/W, waveguide-coupled germanium-in-silicon avalanche photodiode

Enhanced operation range of silicon MZI filters using a broadband bent directional coupler

64 Gb/s O-band GeSi quantum-confined stark effect electro-absorption modulators integrated in a 300mm silicon photonics platform

110 GHz GeSi electroabsorption modulator on a 300mm SiPh platform enabling high-density 400G/lane IM/DD links

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