{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:QOP6EARLQRZZYE3FOXYIBJLC7U","short_pith_number":"pith:QOP6EARL","schema_version":"1.0","canonical_sha256":"839fe2022b84739c136575f080a562fd015496b147b98765be54ef9dc414a97a","source":{"kind":"arxiv","id":"2507.12288","version":1},"attestation_state":"computed","paper":{"title":"Ultra-strong Quantum Squeezing Mediated by Plasma Waves","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.plasm-ph","authors_text":"Kenan Qu, Nathaniel J. Fisch","submitted_at":"2025-07-16T14:38:48Z","abstract_excerpt":"Quantum squeezed states enable precision measurements beyond the standard quantum limit, but conventional solid-state media fundamentally limit pump intensities to the ionization threshold. We demonstrate that plasma waves can mediate ultra-strong two-mode squeezing through stimulated Raman scattering, achieving up to ultrastrong squeezing using $10^{16}{Wcm^{-2}}$ pump lasers. Employing two copropagating pump beams with frequency difference matching twice the plasma frequency, we generate quantum-correlated photon pairs through phonon-mediated four-wave mixing. The process exhibits remarkable"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2507.12288","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2025-07-16T14:38:48Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"89e7f4463cfa9c7d377d7473898e4a203099cbef9ebdb7f3f47cdd794ebb9142","abstract_canon_sha256":"2b77b81d369a9069f5beaab97c7c851c9aa2b951e8ed321dfd8544aa71dcfc5d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:38:17.771150Z","signature_b64":"2tu2V3AjG4J1HbDHkHXEYqhgOWBC42YrBbaVdPCmUSd5MFAUTmtxlDtxzV6c7uLEVF+RPCyHqIn4ei30hDrrAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"839fe2022b84739c136575f080a562fd015496b147b98765be54ef9dc414a97a","last_reissued_at":"2026-07-05T11:38:17.770658Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:38:17.770658Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ultra-strong Quantum Squeezing Mediated by Plasma Waves","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.plasm-ph","authors_text":"Kenan Qu, Nathaniel J. Fisch","submitted_at":"2025-07-16T14:38:48Z","abstract_excerpt":"Quantum squeezed states enable precision measurements beyond the standard quantum limit, but conventional solid-state media fundamentally limit pump intensities to the ionization threshold. We demonstrate that plasma waves can mediate ultra-strong two-mode squeezing through stimulated Raman scattering, achieving up to ultrastrong squeezing using $10^{16}{Wcm^{-2}}$ pump lasers. Employing two copropagating pump beams with frequency difference matching twice the plasma frequency, we generate quantum-correlated photon pairs through phonon-mediated four-wave mixing. The process exhibits remarkable"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.12288","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2507.12288/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2507.12288","created_at":"2026-07-05T11:38:17.770716+00:00"},{"alias_kind":"arxiv_version","alias_value":"2507.12288v1","created_at":"2026-07-05T11:38:17.770716+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.12288","created_at":"2026-07-05T11:38:17.770716+00:00"},{"alias_kind":"pith_short_12","alias_value":"QOP6EARLQRZZ","created_at":"2026-07-05T11:38:17.770716+00:00"},{"alias_kind":"pith_short_16","alias_value":"QOP6EARLQRZZYE3F","created_at":"2026-07-05T11:38:17.770716+00:00"},{"alias_kind":"pith_short_8","alias_value":"QOP6EARL","created_at":"2026-07-05T11:38:17.770716+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2605.04011","citing_title":"Nonlinear Compton scattering in a frequency-modulated field","ref_index":37,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/QOP6EARLQRZZYE3FOXYIBJLC7U","json":"https://pith.science/pith/QOP6EARLQRZZYE3FOXYIBJLC7U.json","graph_json":"https://pith.science/api/pith-number/QOP6EARLQRZZYE3FOXYIBJLC7U/graph.json","events_json":"https://pith.science/api/pith-number/QOP6EARLQRZZYE3FOXYIBJLC7U/events.json","paper":"https://pith.science/paper/QOP6EARL"},"agent_actions":{"view_html":"https://pith.science/pith/QOP6EARLQRZZYE3FOXYIBJLC7U","download_json":"https://pith.science/pith/QOP6EARLQRZZYE3FOXYIBJLC7U.json","view_paper":"https://pith.science/paper/QOP6EARL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2507.12288&json=true","fetch_graph":"https://pith.science/api/pith-number/QOP6EARLQRZZYE3FOXYIBJLC7U/graph.json","fetch_events":"https://pith.science/api/pith-number/QOP6EARLQRZZYE3FOXYIBJLC7U/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QOP6EARLQRZZYE3FOXYIBJLC7U/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QOP6EARLQRZZYE3FOXYIBJLC7U/action/storage_attestation","attest_author":"https://pith.science/pith/QOP6EARLQRZZYE3FOXYIBJLC7U/action/author_attestation","sign_citation":"https://pith.science/pith/QOP6EARLQRZZYE3FOXYIBJLC7U/action/citation_signature","submit_replication":"https://pith.science/pith/QOP6EARLQRZZYE3FOXYIBJLC7U/action/replication_record"}},"created_at":"2026-07-05T11:38:17.770716+00:00","updated_at":"2026-07-05T11:38:17.770716+00:00"}