Efficient TE/TM spot-size converter for broadband coupling to single mode fibers
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Bibliographic record
Abstract
We present the novel design of a spot-size converter (SSC) for high efficiency coupling between a conventional single-mode fiber (SMF) and a standard silicon nanowire. Our design involves evanescent coupling between a stack of Si3N4/SiO2 alternating layers and a standard silicon nanowire. The proposed SSC coupler demonstrates highly broadband performance with a polarization dependence of less than 0.62 dB and an expected taper loss of less than 1.0 dB, over 100 nm bandwidth ranging from 1.5 to 1.6 µm. To the best of our knowledge, the proposed SSC achieves the highest broadband coupling for both polarizations between a fiber with a large mode-field diameter (i.e., SMF-28) and a standard silicon nanowire.
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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