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physics.optics2025★ 1 cited
AI-Augmented Photon-Trapping Spectrometer-on-a-Chip on Silicon Platform with Extended Near-Infrared Sensitivity
Ahasan Ahamed, Htet Myat, Amita Rawat +2
We present a compact, noise-resilient reconstructive spectrometer-on-a-chip that achieves high-resolution hyperspectral imaging across an extended near-infrared (NIR) range up to 1…
physics.optics2023★ 1 cited
Achieving higher photoabsorption than group III-V semiconductors in silicon using photon-trapping surface structures
Wayesh Qarony, Ahmed S. Mayet, Ekaterina Ponizovskaya Devine +8
The photosensitivity of silicon is inherently very low in the visible electromagnetic spectrum, and it drops rapidly beyond 800 nm in near-infrared wavelengths. Herein, we have exp…