A Reconfigurable Multimode Demultiplexer/Switch for Mode-Multiplexed Silicon Photonics Interconnects
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Bibliographic record
Abstract
We experimentally demonstrate a scalable and broadband reconfigurable multimode demultiplexer/switch (RMDS) for mode-division multiplexed inter- and intra-chip data communication systems. The RMDS exploits a thermo-optically tuned tapered multimode interference coupler, enabling simultaneous transmission of the fundamental and first order quasi transverse electric modes in C-band. It is used as the building block in a mode demultiplexer with -20 dB crosstalk, which can be reconfigured as a mode selecting switch with 10.9 μs switching time. An aggregated bandwidth of 2 × 10 Gb/s is achieved by the parallel transmission of two nonreturn-to-Zero (NRZ) PRBS31 data signals at 10 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">-12</sup> bit-error-rate with 2.8 dB BER power penalty. A 1.55 pJ/bit energy efficiency is estimated for a proposed multimode optical link.
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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 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 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 | 0.001 |
| 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