Efficient off-chip configuration method for scalable programmable photonic integrated circuits Article Swipe
Zeyang Fan
,
JunMin Lin
,
Tian Zhang
,
Jian Dai
,
Xingyuan Xu
,
Kun Xu
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1038/s42005-025-02135-9
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1038/s42005-025-02135-9
Programmable photonic integrated circuits can realize analog matrix multiplication to accelerate computing disruptively in various fields. However, a major challenge is the precise voltage configuration of the circuit to deal with the universal static error derived from manufacturing. Here, we propose a complete off-chip method based on the combination of gradient descent and genetic algorithms to find the optimal configuration for an arbitrary matrix, enabling imperfect circuits to achieve excellent performance. In the simulation, we demonstrated that our method implements an arbitrary matrix with an average fidelity of 0.992 on a Mach–Zehnder-interferometer-based circuit with up to 28 input ports. Experimentally, we demonstrated superior performance on the circuit with 4 input ports, including training a theoretical model that characterized the experimental imperfections of the fabricated chip and obtaining the optimal configuration for permutation matrices with near-one fidelity and for 100 unitary matrices with a 0.985 average fidelity.
Related Topics
Concepts
Scalability
Photonic integrated circuit
Chip
Computer science
Photonics
Computer architecture
Electronic circuit
Integrated circuit
Embedded system
Electronic engineering
Computer hardware
Materials science
Optoelectronics
Engineering
Telecommunications
Electrical engineering
Database
Operating system
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1038/s42005-025-02135-9
- https://www.nature.com/articles/s42005-025-02135-9.pdf
- OA Status
- gold
- Cited By
- 6
- References
- 47
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4410742169
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4410742169Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1038/s42005-025-02135-9Digital Object Identifier
- Title
-
Efficient off-chip configuration method for scalable programmable photonic integrated circuitsWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2025Year of publication
- Publication date
-
2025-05-26Full publication date if available
- Authors
-
Zeyang Fan, JunMin Lin, Tian Zhang, Jian Dai, Xingyuan Xu, Kun XuList of authors in order
- Landing page
-
https://doi.org/10.1038/s42005-025-02135-9Publisher landing page
- PDF URL
-
https://www.nature.com/articles/s42005-025-02135-9.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.nature.com/articles/s42005-025-02135-9.pdfDirect OA link when available
- Concepts
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Scalability, Photonic integrated circuit, Chip, Computer science, Photonics, Computer architecture, Electronic circuit, Integrated circuit, Embedded system, Electronic engineering, Computer hardware, Materials science, Optoelectronics, Engineering, Telecommunications, Electrical engineering, Database, Operating systemTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
6Total citation count in OpenAlex
- Citations by year (recent)
-
2025: 6Per-year citation counts (last 5 years)
- References (count)
-
47Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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| referenced_works | https://openalex.org/W3091851330, https://openalex.org/W2905425616, https://openalex.org/W4309456063, https://openalex.org/W4385556667, https://openalex.org/W4388834980, https://openalex.org/W2754492346, https://openalex.org/W2752849906, https://openalex.org/W4281845262, https://openalex.org/W3121141908, https://openalex.org/W3089779975, https://openalex.org/W3208472273, https://openalex.org/W3018394831, https://openalex.org/W3003967059, https://openalex.org/W3183413854, https://openalex.org/W4361858634, https://openalex.org/W3086389980, https://openalex.org/W4399448100, https://openalex.org/W4210678178, https://openalex.org/W2969323556, https://openalex.org/W4221069714, https://openalex.org/W3155628184, https://openalex.org/W4283764191, https://openalex.org/W4399486171, https://openalex.org/W4367173722, https://openalex.org/W4404905249, https://openalex.org/W4312220016, https://openalex.org/W4401389039, https://openalex.org/W4284664068, https://openalex.org/W3135890712, https://openalex.org/W3209814447, https://openalex.org/W4407010943, https://openalex.org/W4392037391, https://openalex.org/W4402268885, https://openalex.org/W4404059143, https://openalex.org/W4393174566, https://openalex.org/W3002546743, https://openalex.org/W2962730419, https://openalex.org/W2964121744, https://openalex.org/W2944578243, https://openalex.org/W3004456582, https://openalex.org/W2076476236, https://openalex.org/W4308514394, https://openalex.org/W3120165331, https://openalex.org/W2996237558, https://openalex.org/W3141256708, https://openalex.org/W3103046660, https://openalex.org/W4313197653 |
| referenced_works_count | 47 |
| abstract_inverted_index.4 | 109 |
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| abstract_inverted_index.28 | 97 |
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