Ghent University Academic Bibliography

Journal Article
A1
open access

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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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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A Ge/Si photodiode exceeding 110 GHz with 0.9 A/W, low capacitance and operating at -0.5 V for O and C-band applications

Conor Coughlan, Amir Khaled Abdelhamid Mohamed Shahin (UGent) , Mathias Berciano, Hakim Kobbi, Shalini Shalini Jakanadan, Roger Loo (UGent) , Cédric Bruynsteen (UGent) , Jakob Declercq (UGent) , Minkyu Kim, Swetansu Bipul, et al.

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

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Journal Article
A1
open access

Design of a high-speed waveguide Ge/Si SACM avalanche photodiode

Amir Khaled Abdelhamid Mohamed Shahin (UGent) , Mathias Berciano, Conor Coughlan, Didit Yudistira, Roger Loo (UGent) , Ahmed Kandeel (UGent) , Peter Verheyen, Hakim Kobbi, Maumita Chakrabarti, Dries Van Thourhout (UGent) , et al.

(2025) JOURNAL OF LIGHTWAVE TECHNOLOGY. 43(19). p.9325-9332

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Journal Article
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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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

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

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

A Ge/Si photodiode exceeding 110 GHz with 0.9 A/W, low capacitance and operating at -0.5 V for O and C-band applications

Design of a high-speed waveguide Ge/Si SACM avalanche photodiode

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

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

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