A 4×256 Gbps silicon transmitter with on-chip adaptive dispersion compensation
Abstract The exponential growth of data traffic propelled by cloud computing and artificial intelligence necessitates advanced optical interconnect solutions. While wavelength division multiplexing (WDM) enhances optical module transmission capacity, chromatic dispersion becomes a critical limitatio...
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2025-07-01
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| Series: | Nature Communications |
| Online Access: | https://doi.org/10.1038/s41467-025-61408-7 |
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| _version_ | 1849234650570948608 |
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| author | Shihuan Ran Yu Guo Yuanbin Liu Ting Miao Yangbo Wu Yang Qin Yuyao Guo Liangjun Lu Yixiao Zhu Yu Li Qunbi Zhuge Jianping Chen Linjie Zhou |
| author_facet | Shihuan Ran Yu Guo Yuanbin Liu Ting Miao Yangbo Wu Yang Qin Yuyao Guo Liangjun Lu Yixiao Zhu Yu Li Qunbi Zhuge Jianping Chen Linjie Zhou |
| author_sort | Shihuan Ran |
| collection | DOAJ |
| description | Abstract The exponential growth of data traffic propelled by cloud computing and artificial intelligence necessitates advanced optical interconnect solutions. While wavelength division multiplexing (WDM) enhances optical module transmission capacity, chromatic dispersion becomes a critical limitation as single-lane rates exceed 200 Gbps. Here we demonstrate a 4-channel silicon transmitter achieving 1 Tbps aggregate data rate through integrated adaptive dispersion compensation. This transmitter utilizes Mach-Zehnder modulators with adjustable input intensity splitting ratios, enabling precise control over the chirp magnitude and sign to counteract specific dispersion. At 1271 nm (−3.99 ps/nm/km), the proposed transmitter enabled 4 × 256 Gbps transmission over 5 km fiber, achieving bit error ratio below both the soft-decision forward-error correction threshold with feed-forward equalization (FFE) alone and the hard-decision forward-error correction threshold when combining FFE with maximum-likelihood sequence detection. Our results highlight a significant leap towards scalable, energy-efficient, and high-capacity optical interconnects, underscoring its potential in future local area network WDM applications. |
| format | Article |
| id | doaj-art-cff2cdc391c64dacb0bafc2f719bbaa4 |
| institution | Kabale University |
| issn | 2041-1723 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Nature Communications |
| spelling | doaj-art-cff2cdc391c64dacb0bafc2f719bbaa42025-08-20T04:03:03ZengNature PortfolioNature Communications2041-17232025-07-0116111010.1038/s41467-025-61408-7A 4×256 Gbps silicon transmitter with on-chip adaptive dispersion compensationShihuan Ran0Yu Guo1Yuanbin Liu2Ting Miao3Yangbo Wu4Yang Qin5Yuyao Guo6Liangjun Lu7Yixiao Zhu8Yu Li9Qunbi Zhuge10Jianping Chen11Linjie Zhou12State Key Laboratory of Photonics and Communications, School of Information Science and Electronic Engineering, Shanghai Jiao Tong UniversityState Key Laboratory of Photonics and Communications, School of Information Science and Electronic Engineering, Shanghai Jiao Tong UniversityState Key Laboratory of Photonics and Communications, School of Information Science and Electronic Engineering, Shanghai Jiao Tong UniversityState Key Laboratory of Photonics and Communications, School of Information Science and Electronic Engineering, Shanghai Jiao Tong UniversityHuawei Technologies, Wireless BUHuawei Technologies, Wireless BUState Key Laboratory of Photonics and Communications, School of Information Science and Electronic Engineering, Shanghai Jiao Tong UniversityState Key Laboratory of Photonics and Communications, School of Information Science and Electronic Engineering, Shanghai Jiao Tong UniversityState Key Laboratory of Photonics and Communications, School of Information Science and Electronic Engineering, Shanghai Jiao Tong UniversityState Key Laboratory of Photonics and Communications, School of Information Science and Electronic Engineering, Shanghai Jiao Tong UniversityState Key Laboratory of Photonics and Communications, School of Information Science and Electronic Engineering, Shanghai Jiao Tong UniversityState Key Laboratory of Photonics and Communications, School of Information Science and Electronic Engineering, Shanghai Jiao Tong UniversityState Key Laboratory of Photonics and Communications, School of Information Science and Electronic Engineering, Shanghai Jiao Tong UniversityAbstract The exponential growth of data traffic propelled by cloud computing and artificial intelligence necessitates advanced optical interconnect solutions. While wavelength division multiplexing (WDM) enhances optical module transmission capacity, chromatic dispersion becomes a critical limitation as single-lane rates exceed 200 Gbps. Here we demonstrate a 4-channel silicon transmitter achieving 1 Tbps aggregate data rate through integrated adaptive dispersion compensation. This transmitter utilizes Mach-Zehnder modulators with adjustable input intensity splitting ratios, enabling precise control over the chirp magnitude and sign to counteract specific dispersion. At 1271 nm (−3.99 ps/nm/km), the proposed transmitter enabled 4 × 256 Gbps transmission over 5 km fiber, achieving bit error ratio below both the soft-decision forward-error correction threshold with feed-forward equalization (FFE) alone and the hard-decision forward-error correction threshold when combining FFE with maximum-likelihood sequence detection. Our results highlight a significant leap towards scalable, energy-efficient, and high-capacity optical interconnects, underscoring its potential in future local area network WDM applications.https://doi.org/10.1038/s41467-025-61408-7 |
| spellingShingle | Shihuan Ran Yu Guo Yuanbin Liu Ting Miao Yangbo Wu Yang Qin Yuyao Guo Liangjun Lu Yixiao Zhu Yu Li Qunbi Zhuge Jianping Chen Linjie Zhou A 4×256 Gbps silicon transmitter with on-chip adaptive dispersion compensation Nature Communications |
| title | A 4×256 Gbps silicon transmitter with on-chip adaptive dispersion compensation |
| title_full | A 4×256 Gbps silicon transmitter with on-chip adaptive dispersion compensation |
| title_fullStr | A 4×256 Gbps silicon transmitter with on-chip adaptive dispersion compensation |
| title_full_unstemmed | A 4×256 Gbps silicon transmitter with on-chip adaptive dispersion compensation |
| title_short | A 4×256 Gbps silicon transmitter with on-chip adaptive dispersion compensation |
| title_sort | 4 256 gbps silicon transmitter with on chip adaptive dispersion compensation |
| url | https://doi.org/10.1038/s41467-025-61408-7 |
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