An Oct. 27 optics.org report describes a SUTD-led research team's polymer-nanopillar color router for image sensors. Instead of absorbing unwanted wavelengths like a conventional color filter, the array redirects colors toward designated pixels. The researchers reported nearly 90% routing efficiency in simulation and about 70% in fabricated one-square-millimeter arrays; camera-scale sensor integration and repeatable manufacturing remain future work.
GLOBAL IMAGING BRIEF
Analysis: Redirecting rather than discarding photons may improve future low-light capture, but this is a laboratory result, not a commercial sensor specification. Off-axis response, color leakage and foundry-compatible replication are the key remaining tests.
Original source
Original report: optics.org, Oct. 27; underlying paper: Nature Communications, DOI 10.1038/s41467-026-76072-8. Experimental and simulated figures are not interchangeable.