ArticleScience advances2024
Freeform metasurface color router for deep submicron pixel image sensors.
Article in Science advances, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed.
- 3D printed designer color routers with low refractive index for low-light imaging.Nature communications · 2026Article
- Low-SWaP magneto-optical trap enabled by planar photonic and magnetic components.Science advances · 2026Article
- Suppressing Stitching Errors in Full-Sensor-Plane Color Routers via Optical Structural Similarity.Nanophotonics (Berlin, Germany) · 2026Article
- Modal contrast engineering in ultraviolet and visible metalenses enabled by material-selective hybridization.Nature communications · 2026Article
- Spectropolarimetric Holographic Multiplexing Metasurface With Super-High Capacity Empowered by Mechanical Rotation.Nanophotonics (Berlin, Germany) · 2026Article
- Privacy-Aware Meta-Optics for Person Detection.ACS photonics · 2026Article
- Inverse Design of Optical Color Routers with Improved Fabrication Compatibility.Nanomaterials (Basel, Switzerland) · 2026Article
- Neural phase microscopy with metasurface optics for real-time and nanoscale quantitative phase imaging.Nature communications · 2026Article
- 17-GHz lossless InP-membrane active metasurface.Science advances · 2025Article
- Adjoint-Driven Inverse Design of a Quad-Spectral Metasurface Router for RGB-NIR Sensing.Nanomaterials (Basel, Switzerland) · 2025Article
- Multi-Dimensional Multiplexed Metasurface for Multifunctional Near-Field Modulation by Physics-Driven Intelligent Design.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Freeform thin-film lithium niobate mode converter for photon-pair generation.Nanophotonics (Berlin, Germany) · 2025Article
- Dielectric metasurfaces based on a phase singularity in the region of high reflectance.Nanophotonics (Berlin, Germany) · 2025Article
- Trends in Snapshot Spectral Imaging: Systems, Processing, and Quality.Sensors (Basel, Switzerland) · 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
- Metasurface folded lens system for ultrathin cameras.Science advances · 2024Article
- Multiwavelength Achromatic Deflector in the Visible Using a Single-Layer Freeform Metasurface.Nano letters · 2024Article
- Inverse design of color routers in CMOS image sensors: toward minimizing interpixel crosstalk.Nanophotonics (Berlin, Germany) · 2024Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Advances in imaging technologies have led to a high demand for ultracompact, high-resolution image sensors. However, color filter-based image sensors, now miniaturized to deep submicron pixel sizes, face challenges such as low signal-to-noise ratio due to fewer photons per pixel and inherent efficiency limitations from color filter arrays. Here, we demonstrate a freeform metasurface color router that achieves ultracompact pixel sizes while overcoming the efficiency limitations of conventional architectures by splitting and focusing visible light instead of filtering. This development is enabled by a fully differentiable topology optimization framework to maximize the use of the design space while ensuring fabrication feasibility and robustness to fabrication errors. The metasurface can distribute an average of 85% of incident visible light according to the Bayer pattern with a pixel size of 0.6 μm. The device and design methodology enable the compact, high-sensitivity, and high-resolution image sensors for various modern technologies and pave the way for the advanced photonic device design.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.