High Performance Monolithic Integration of Light Amplifiers in Silicon Photonic Circuits Article Swipe
Ilias Skandalos
,
Yaonan Hou
,
Dun Qiao
,
Huiwen Deng
,
Xueying Yu
,
Jae‐Seong Park
,
Chong Chen
,
Mingchu Tang
,
Michele Paparella
,
Lifeng Bao
,
E Sandell
,
J. Moeyaert
,
T. Baron
,
Peter M. Smowton
,
Huiyun Liu
,
A.J. Seeds
,
Frédéric Y. Gardes
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.21203/rs.3.rs-7716086/v1
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.21203/rs.3.rs-7716086/v1
Silicon photonics constitutes the cornerstone technology of on-chip optical interconnects. However, the seamless integration of gain elements with passive waveguides on silicon substrates remains a critical challenge. In this work, we demonstrate monolithically integrated III/V gain regions on a silicon wafer interfaced with silicon nitride waveguides exhibiting coupling losses below 1.5 dB and back-reflections close to -13 dB for a normal interface. Continuous-wave lasers with distributed Bragg reflectors were experimentally demonstrated with threshold currents below 215 mA at room temperature and a maximum fibre coupled power exceeding 2 mW. The first monolithically integrated electrically pumped optical amplifiers on silicon substrate are also demonstrated, with net gains greater than 5 dB and a 3-dB optical bandwidth of 46 nm. The proposed strategy effectively addresses the waveguide coupling bottleneck between III/V gain regions and silicon photonic circuits, establishing a scalable, monolithic and CMOS-compatible linked platform. This advance enables the cost-effective co-integration of positive net gain amplifiers and broadband passive components on silicon, paving the way for next-generation data centre interconnects.
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- preprint
- Landing Page
- https://doi.org/10.21203/rs.3.rs-7716086/v1
- https://www.researchsquare.com/article/rs-7716086/latest.pdf
- OA Status
- gold
- OpenAlex ID
- https://openalex.org/W4415303239
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Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4415303239Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.21203/rs.3.rs-7716086/v1Digital Object Identifier
- Title
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High Performance Monolithic Integration of Light Amplifiers in Silicon Photonic CircuitsWork title
- Type
-
preprintOpenAlex work type
- Publication year
-
2025Year of publication
- Publication date
-
2025-10-17Full publication date if available
- Authors
-
Ilias Skandalos, Yaonan Hou, Dun Qiao, Huiwen Deng, Xueying Yu, Jae‐Seong Park, Chong Chen, Mingchu Tang, Michele Paparella, Lifeng Bao, E Sandell, J. Moeyaert, T. Baron, Peter M. Smowton, Huiyun Liu, A.J. Seeds, Frédéric Y. GardesList of authors in order
- Landing page
-
https://doi.org/10.21203/rs.3.rs-7716086/v1Publisher landing page
- PDF URL
-
https://www.researchsquare.com/article/rs-7716086/latest.pdfDirect link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
-
https://www.researchsquare.com/article/rs-7716086/latest.pdfDirect OA link when available
- Cited by
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0Total citation count in OpenAlex
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