Reconfiguration in Source-Synchronous Receivers for Short-Reach Parallel Optical Links
Bibliographic record
Abstract
This paper presents a source-synchronous receiver architecture for use in parallel optical links. The proposed system is reconfigurable, allowing any channel to be used as a clock or data lane. The architecture is designed for mode-division multiplexed (MDM) optical links with forwarded clocks and allows the sensitive clock signal to be placed in the lane with the least amount of optical crosstalk for a given photonic interconnect. This configurability, which accounts for variation in integrated optics by leveraging the more robust electronic chip, optimizes the performance in electronic/optic codesigned solutions and may improve the yield. The architecture contains a dynamic clock distribution network, able to send a reference clock signal from the chosen clock receiver to any other data-configured receiver. The proposed architecture has been implemented on an experimental chip consisting of two receivers designed in the 65-nm CMOS technology. Electrical measurements at 8 Gb/s were done, and bit error rate curves are presented. They demonstrate the ability to swap and repurpose the clock and data inputs between the receivers, with similar sensitivity upon reconfiguration as a proof of concept.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| 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 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".