ArticleNanophotonics (Berlin, Germany)2024
Inverse design of color routers in CMOS image sensors: toward minimizing interpixel crosstalk.
Article in Nanophotonics (Berlin, Germany), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- 3D printed designer color routers with low refractive index for low-light imaging.Nature communications · 2026Article
- Broadband Electromagnetic Field Prediction at Unseen Wavelengths via Physics-Guided Neural Operators.Nanophotonics (Berlin, Germany) · 2026Article
- Suppressing Stitching Errors in Full-Sensor-Plane Color Routers via Optical Structural Similarity.Nanophotonics (Berlin, Germany) · 2026Article
- Inverse Design of Optical Color Routers with Improved Fabrication Compatibility.Nanomaterials (Basel, Switzerland) · 2026Article
- Time-domain adjoint optimization for metalens design toward enhanced broadband efficiency and uniformity.iScience · 2025Article
- Freeform thin-film lithium niobate mode converter for photon-pair generation.Nanophotonics (Berlin, Germany) · 2025Article
- Development of Energy-Selective Surface for Electromagnetic Protection.Micromachines · 2025Review
- Trends in Snapshot Spectral Imaging: Systems, Processing, and Quality.Sensors (Basel, Switzerland) · 2025Article
- Recent Advances in Electromagnetic Devices: Design and Optimization.Micromachines · 2025Article
- Design of a Deep Learning-Based Metalens Color Router for RGB-NIR Sensing.Nanomaterials (Basel, Switzerland) · 2024Article
- Adjoint-Assisted Shape Optimization of Microlenses for CMOS Image Sensors.Sensors (Basel, Switzerland) · 2024Article
Corrections and comments
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Authors and funding
8 authors.
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Abstract
Over the past decade, significant advancements in high-resolution imaging technology have been driven by the miniaturization of pixels within image sensors. However, this reduction in pixel size to submicrometer dimensions has led to decreased efficiency in color filters and microlens arrays. The development of color routers that operate at visible wavelengths presents a promising avenue for further miniaturization. Despite this, existing color routers often encounter severe interpixel crosstalk, around 70 %, due to the reliance on periodic boundary conditions. Here, we present interpixel crosstalk-minimized color routers that achieve an unprecedented in-pixel optical efficiency of 87.2 % and significantly reduce interpixel crosstalk to 2.6 %. The color routers are designed through adjoint optimization, incorporating customized incident waves to minimize interpixel crosstalks. Our findings suggest that our color router design surpasses existing color routing techniques in terms of in-pixel optical efficiency, representing a crucial step forward in the push toward commercializing the next generation of solid-state image sensors.
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