# The Secret to Better Light Sensors Was Moving One Layer

- slug: the-secret-to-better-light-sensors-was-moving-one-layer
- date: 2026-03-30
- category: Quantum Computing

Previous circularly polarized light sensors needed different materials for each wavelength band. The DGIST team put the chiral element in the electron transport layer instead, letting a single device read photon spin from UV to short-wave IR.

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