{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:FSDTLCBZRCKZKB54DODNHCWT4P","short_pith_number":"pith:FSDTLCBZ","schema_version":"1.0","canonical_sha256":"2c8735883988959507bc1b86d38ad3e3f8f411957d58c2e23db32a3c370ddcbe","source":{"kind":"arxiv","id":"1603.06339","version":2},"attestation_state":"computed","paper":{"title":"Optical Activation of Germanium Plasmonic Antennas in the Mid Infrared","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"cond-mat.mes-hall","authors_text":"Alfred Leitenstorfer, Antonio Samarelli, Christian Schmidt, Daniele Brida, Douglas J. Paul, Emilie Sakat, Giovanni Isella, Jacopo Frigerio, Johannes Stock, Marco P. Fischer, Michele Ortolani, Paolo Biagioni","submitted_at":"2016-03-21T07:13:10Z","abstract_excerpt":"Impulsive interband excitation with femtosecond near-infrared pulses establishes a plasma response in intrinsic germanium structures fabricated on a silicon substrate. This direct approach activates the plasmonic resonance of the Ge structures and enables their use as optical antennas up to the mid-infrared spectral range. The optical switching lasts for hundreds of picoseconds until charge recombination red-shifts the plasma frequency. The full behavior of the structures is modeled by the electrodynamic response established by an electron-hole plasma in a regular array of antennas."},"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":"1603.06339","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-03-21T07:13:10Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"d45c8a6a677708f969d5e8baead49dbab65f246cbc4a6f413beeb05a8747e102","abstract_canon_sha256":"2ca49cafb120805c35208cd7933ba1a2e22482abdb0c8dbb46767876683bf20b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:24.546662Z","signature_b64":"quf/PM4tndNQrxH9FpP04H5N24TY71gfVsIGJ7Cj/XHtJLJUgNdmWW2jGZdSxSPf5SWnlhRzCPUXU+84kdJ/DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2c8735883988959507bc1b86d38ad3e3f8f411957d58c2e23db32a3c370ddcbe","last_reissued_at":"2026-05-18T01:10:24.546126Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:24.546126Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Optical Activation of Germanium Plasmonic Antennas in the Mid Infrared","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"cond-mat.mes-hall","authors_text":"Alfred Leitenstorfer, Antonio Samarelli, Christian Schmidt, Daniele Brida, Douglas J. Paul, Emilie Sakat, Giovanni Isella, Jacopo Frigerio, Johannes Stock, Marco P. Fischer, Michele Ortolani, Paolo Biagioni","submitted_at":"2016-03-21T07:13:10Z","abstract_excerpt":"Impulsive interband excitation with femtosecond near-infrared pulses establishes a plasma response in intrinsic germanium structures fabricated on a silicon substrate. This direct approach activates the plasmonic resonance of the Ge structures and enables their use as optical antennas up to the mid-infrared spectral range. The optical switching lasts for hundreds of picoseconds until charge recombination red-shifts the plasma frequency. The full behavior of the structures is modeled by the electrodynamic response established by an electron-hole plasma in a regular array of antennas."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.06339","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"1603.06339","created_at":"2026-05-18T01:10:24.546190+00:00"},{"alias_kind":"arxiv_version","alias_value":"1603.06339v2","created_at":"2026-05-18T01:10:24.546190+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.06339","created_at":"2026-05-18T01:10:24.546190+00:00"},{"alias_kind":"pith_short_12","alias_value":"FSDTLCBZRCKZ","created_at":"2026-05-18T12:30:15.759754+00:00"},{"alias_kind":"pith_short_16","alias_value":"FSDTLCBZRCKZKB54","created_at":"2026-05-18T12:30:15.759754+00:00"},{"alias_kind":"pith_short_8","alias_value":"FSDTLCBZ","created_at":"2026-05-18T12:30:15.759754+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/FSDTLCBZRCKZKB54DODNHCWT4P","json":"https://pith.science/pith/FSDTLCBZRCKZKB54DODNHCWT4P.json","graph_json":"https://pith.science/api/pith-number/FSDTLCBZRCKZKB54DODNHCWT4P/graph.json","events_json":"https://pith.science/api/pith-number/FSDTLCBZRCKZKB54DODNHCWT4P/events.json","paper":"https://pith.science/paper/FSDTLCBZ"},"agent_actions":{"view_html":"https://pith.science/pith/FSDTLCBZRCKZKB54DODNHCWT4P","download_json":"https://pith.science/pith/FSDTLCBZRCKZKB54DODNHCWT4P.json","view_paper":"https://pith.science/paper/FSDTLCBZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1603.06339&json=true","fetch_graph":"https://pith.science/api/pith-number/FSDTLCBZRCKZKB54DODNHCWT4P/graph.json","fetch_events":"https://pith.science/api/pith-number/FSDTLCBZRCKZKB54DODNHCWT4P/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FSDTLCBZRCKZKB54DODNHCWT4P/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FSDTLCBZRCKZKB54DODNHCWT4P/action/storage_attestation","attest_author":"https://pith.science/pith/FSDTLCBZRCKZKB54DODNHCWT4P/action/author_attestation","sign_citation":"https://pith.science/pith/FSDTLCBZRCKZKB54DODNHCWT4P/action/citation_signature","submit_replication":"https://pith.science/pith/FSDTLCBZRCKZKB54DODNHCWT4P/action/replication_record"}},"created_at":"2026-05-18T01:10:24.546190+00:00","updated_at":"2026-05-18T01:10:24.546190+00:00"}