A UWB Over Fiber System Compatible With WDM-PON Architecture
Why this work is in the frame
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Bibliographic record
Abstract
We present a novel ultra-wideband (UWB) over fiber system that is compatible with wavelength-division-multiplexing passive optical network architecture based on a Fabry-Pérot laser diode (FP-LD). Through external injection, the FP-LD operates as an active optical filter. By locating the optical carrier of a phase-modulated injection optical signal at one slope of the filter response, phase-modulation to intensity-modulation conversion is achieved, leading to the generation of a UWB signal having a power spectrum meeting the FCC-specified spectral mask. The proposed system is experimentally evaluated, with eye diagrams and bit-error rates measured. An error-free operation is achieved after 20-km single-mode fiber transmission for both cases where the FP-LD is placed in the center office and the remote site. The power penalty for the transmission is less than 3.2 dB.
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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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.002 |
| 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