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README.md
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# pero-freezer-laser-experiments
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PERO cryogenic laser SPDC entanglement experiments — raw footage, analysis
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plots, and the canonical experiment record, split 80/10/10 (train/val/test).
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## Contents
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- `data/split/train.jsonl` · `val.jsonl` · `test.jsonl` — record splits
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- `metadata.json` — experiment metadata (temperatures, wavelengths, crystals,
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measured fidelity/efficiency/coherence)
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- `split_manifest.json` — record → split mapping
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- `data/raw/` — analysis plot images (small media)
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## Records (12 total)
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- 6 experiment video runs (cryo-laser-array, raw footage) — linked from the
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GitHub source repo (large media stays on GitHub, per the split-repo plan)
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- 5 analysis plot images (included in `data/raw/`)
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- 1 canonical freezer-laser experiment summary (PDF-spec parameters:
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T = -18…-25 °C, λ = 450/532/633 nm, BBO/KTP/LiNbO₃, F = 0.999423,
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847 pairs, 67.3 % splitting efficiency, 81.7 % spatial coherence)
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## Split
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| Split | Records |
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| :--- | :---: |
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| train | 10 |
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| val | 1 |
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| test | 1 |
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Deterministic shuffle (seed 42). Media referenced by URL:
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https://github.com/onegayunicorn/photonic-entanglement-research-orchestrator/tree/06554af/data/raw
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## Related
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- Source repo: `onegayunicorn/photonic-entanglement-research-orchestrator`
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- Sovereign stack: `Codexcoder/deepseek-v4-sovereign` (models)
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