Widely tunable mode-locked fiber laser operating in O-band spectral region
Why this work is in the frame
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Bibliographic record
Abstract
Abstract This paper investigates the generation of passive tunable mode-locked fiber laser utilizing a figure-9 configuration in a 1.3 μ m spectral region. Mode-locking is achieved through reflective nonlinear amplifying loop mirror technique with nonreciprocal beam splitter. The system demonstrates stable pulse generation across a 120 nm tunable wavelength range centered at 1310 nm with a fundamental repetition rate of 12.7 MHz. The pulse duration, which can vary with changes in the repetition rate, ranges from 10.4 ns to 58.8 ns, with a 3 dB spectral bandwidth of 0.21–0.41 nm. The stable and self-start mode-locking is guaranteed by polarization controller and fiber-based phase shifter. Moreover, this achievement highlights its potential as a compact photonic source for optical communications and precision metrology.
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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 | 0.000 | 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