Reconfigurable NIR-emission gain via thermal control in multimode tri-doped tellurite fiber
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Bibliographic record
Abstract
In fiber-based telecommunication systems, information is transmitted over wide optical spectrum bands. However, the volume of data, service demands, and traffic speeds keep rising, overloading the whole fiber links. Thus, enhancing efficiency and broadening transparency are essential in optical systems. Moreover, preserving gain across the broad spectrum remains a significant bottleneck to be overcome. Here we enhance intensity and broaden emission in the C-, L- and U- telecommunication bands via thermal population control in 30 cm of a tri-doped (Er 3+ -Tm 3+ -Yb 3+ ) multimode tellurite fiber (3Dp-MM-Te-fiber). The results indicate that increasing the temperature, a blue shift occurs around 1530 nm, and due to energy transfer among the tri rare-earths dopants a flat gain in the near-infrared region up to 1550 nm to 1650 nm is observed with a bandwidth of more than 100 nm. Furthermore, pumping the fiber at 980 nm with a 0.1 mW signal at 1550 nm, an experimental relative gain of approximately 2.5 dB was also demonstrated at a 120 o C heating temperature.
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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 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| 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