{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:DPYU4EGHUZUEXMUXSF57ZHRF72","short_pith_number":"pith:DPYU4EGH","schema_version":"1.0","canonical_sha256":"1bf14e10c7a6684bb297917bfc9e25fea9848fb9486733660b9f01945d071538","source":{"kind":"arxiv","id":"2012.05833","version":1},"attestation_state":"computed","paper":{"title":"Orbital angular momentum multiplication in plasmonic vortex cavities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"physics.optics","authors_text":"Anna-Katharina Mahro, Eva Prinz, Grisha Spektor, Martin Aeschlimann, Meir Orenstein, Michael Hartelt","submitted_at":"2020-12-10T17:18:03Z","abstract_excerpt":"Orbital angular momentum of light is a core feature in photonics. Its confinement to surfaces using plasmonics has unlocked many phenomena and potential applications. Here we introduce the reflection from structural boundaries as a new degree of freedom to generate and control plasmonic orbital angular momentum. We experimentally demonstrate plasmonic vortex cavities, generating a succession of vortex pulses with increasing topological charge as a function of time. We track the spatio-temporal dynamics of these angularly decelerating plasmon pulse train within the cavities for over 300 femtose"},"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":"2012.05833","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-12-10T17:18:03Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"adb59036d57280d250b8b1f10977c98369c0381b01a85f157eee33631f298ba7","abstract_canon_sha256":"c0214a44a93617cb4fbb70bc24fa406d09d19aa555e1b008befd64e889dc65a9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:34:05.412810Z","signature_b64":"ilz6PlGWTMN2LEX7nSRqcifMsZi73Zs57LbJ7Q/nEUXXb/mVS9rxwV/vCuikhBPYIT4HuVL7N4dzp6IwrnbrDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1bf14e10c7a6684bb297917bfc9e25fea9848fb9486733660b9f01945d071538","last_reissued_at":"2026-07-05T03:34:05.412341Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:34:05.412341Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Orbital angular momentum multiplication in plasmonic vortex cavities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"physics.optics","authors_text":"Anna-Katharina Mahro, Eva Prinz, Grisha Spektor, Martin Aeschlimann, Meir Orenstein, Michael Hartelt","submitted_at":"2020-12-10T17:18:03Z","abstract_excerpt":"Orbital angular momentum of light is a core feature in photonics. Its confinement to surfaces using plasmonics has unlocked many phenomena and potential applications. Here we introduce the reflection from structural boundaries as a new degree of freedom to generate and control plasmonic orbital angular momentum. We experimentally demonstrate plasmonic vortex cavities, generating a succession of vortex pulses with increasing topological charge as a function of time. We track the spatio-temporal dynamics of these angularly decelerating plasmon pulse train within the cavities for over 300 femtose"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.05833","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/2012.05833/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":"2012.05833","created_at":"2026-07-05T03:34:05.412399+00:00"},{"alias_kind":"arxiv_version","alias_value":"2012.05833v1","created_at":"2026-07-05T03:34:05.412399+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.05833","created_at":"2026-07-05T03:34:05.412399+00:00"},{"alias_kind":"pith_short_12","alias_value":"DPYU4EGHUZUE","created_at":"2026-07-05T03:34:05.412399+00:00"},{"alias_kind":"pith_short_16","alias_value":"DPYU4EGHUZUEXMUX","created_at":"2026-07-05T03:34:05.412399+00:00"},{"alias_kind":"pith_short_8","alias_value":"DPYU4EGH","created_at":"2026-07-05T03:34:05.412399+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/DPYU4EGHUZUEXMUXSF57ZHRF72","json":"https://pith.science/pith/DPYU4EGHUZUEXMUXSF57ZHRF72.json","graph_json":"https://pith.science/api/pith-number/DPYU4EGHUZUEXMUXSF57ZHRF72/graph.json","events_json":"https://pith.science/api/pith-number/DPYU4EGHUZUEXMUXSF57ZHRF72/events.json","paper":"https://pith.science/paper/DPYU4EGH"},"agent_actions":{"view_html":"https://pith.science/pith/DPYU4EGHUZUEXMUXSF57ZHRF72","download_json":"https://pith.science/pith/DPYU4EGHUZUEXMUXSF57ZHRF72.json","view_paper":"https://pith.science/paper/DPYU4EGH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2012.05833&json=true","fetch_graph":"https://pith.science/api/pith-number/DPYU4EGHUZUEXMUXSF57ZHRF72/graph.json","fetch_events":"https://pith.science/api/pith-number/DPYU4EGHUZUEXMUXSF57ZHRF72/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DPYU4EGHUZUEXMUXSF57ZHRF72/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DPYU4EGHUZUEXMUXSF57ZHRF72/action/storage_attestation","attest_author":"https://pith.science/pith/DPYU4EGHUZUEXMUXSF57ZHRF72/action/author_attestation","sign_citation":"https://pith.science/pith/DPYU4EGHUZUEXMUXSF57ZHRF72/action/citation_signature","submit_replication":"https://pith.science/pith/DPYU4EGHUZUEXMUXSF57ZHRF72/action/replication_record"}},"created_at":"2026-07-05T03:34:05.412399+00:00","updated_at":"2026-07-05T03:34:05.412399+00:00"}