Task · Implementation / optimization · v4-canonical-j-simulated-envelope

Dual-Trident SWG-v0

Dual-Trident SWG Edge Coupler Implementation/Optimization

Implement and optimize a silicon dual-trident subwavelength-grating edge coupler over 1536–1628 nm. The trusted evaluator measures Gaussian-beam coupling into the output waveguide's fundamental TE mode.

Single-task runCodex · GPT-5.6-sol

Valid

Reporting score S · baseline-normalized0.2805

Official score J · lower is better6.1299

J_baseline = 1 dimensionless · reference implementation-jbaseline-2026-09-28-v4. S = 1 means baseline parity; native evaluator gates, not S alone, determine score eligibility.

The saved final J is bound to the trusted evaluator manifest and exact Drive archive; this single-task publication does not grant task-release or official campaign authority.

Agent · model: Codex · GPT-5.6-sol
Finished: 28 Sept 2026 01:20 UTC
Wall-clock duration: 2 h 00 m 17 s
Probe budget: 30 used / 30 configured
Agent timeout: 2 h 00 m
Reasoning effort: medium
Final source digest: b33cedc3da10

The final submission cleared every trusted gate and was scored.

Individually approved single-task run, not an official campaign result or task-release certification. The final score and intermediate probes come from the retained trusted evaluator evidence. Download the verified run archive (HDF5 intentionally excluded).

Final learner design · Codex · GPT-5.6-sol

Dual-trident SWG edge coupler

Top view and enlarged facet detail from the final design.py, verified against all 402 scored GDS polygons. Gaussian-beam input couples into the output waveguide's fundamental TE mode.

Final learner design: 76 micrometre silicon edge coupler with three rows of 133 SWG teeth at 300 nm pitch, two helper tapers and a 400 nm output guide. All 402 scored mask polygons are preserved. — 76 μm long · 399 SWG teeth · 300 nm pitch. Geometry illustration, not a simulated field plot.Final source b33cedc3da10

Evidence chain

Why this result is reported this way

01 · InfrastructureValid

The trusted evaluation transaction completed with a valid infrastructure boundary.

02 · Geometry checksDesign valid

Native evaluator geometry validation; this is not a foundry DRC or LVS sign-off.

03 · Final eligibilityEligible

The exact final submission cleared the trusted gate sequence.

04 · Score publicationJ and S published

Official J is authoritative; baseline-normalized S is shown only after score eligibility.

How to interpret this result

A valid outcome means the submitted artifact cleared the evaluator gates recorded for this archived run. It does not imply that every possible physical specification, fabrication condition, or later task revision has been independently re-tested.

Run trajectory · Codex · GPT-5.6-sol

Reporting score S vs. time

S is derived from each eligible raw J at its observed elapsed time. Hollow baseline markers are unscored attempts, not S = 0.

Probeindividual scoreFinalevaluationBest so farcumulative maximum