Silicon-on-insulator waveguide photodetector with self-ion-implantation-engineered-enhanced infrared response
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Bibliographic record
Abstract
We describe the fabrication and characterization of silicon-on-insulator, p+-i-n+ waveguide photodetectors with enhanced sensitivity to wavelengths around 1550nm. Increased sensitivity to sub-band-gap light results from the deliberate introduction of mid-band-gap defects via 1.5MeV silicon-ion implantation to a dose of 1×1012cm−2. For a waveguide of length of 6mm, an on-chip signal of 3.5dBm generates a photocurrent of 5μA while the defect-induced excess optical absorption is 8dB. Postimplantation annealing at a temperature of 300°C for 10min increases the photocurrent to 19μA, corresponding to a responsivity of 9mA∕W, while reducing the excess loss to 2dB. The devices described here are completely compatible with standard silicon processing and can be integrated easily with other photonic and electronic functionalities on the same silicon substrate.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.002 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it