{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:UF55R42AG4PM4ZW53D7Z46IXFJ","short_pith_number":"pith:UF55R42A","schema_version":"1.0","canonical_sha256":"a17bd8f340371ece66ddd8ff9e79172a53746641dc26417c0b9f25a5de59882e","source":{"kind":"arxiv","id":"1812.01912","version":1},"attestation_state":"computed","paper":{"title":"Identifying orbital angular momentum of light in quantum wells","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Mohammad Mahmoudi, Seyedeh Hamideh Kazemi","submitted_at":"2018-12-05T10:58:35Z","abstract_excerpt":"Generation and detection of structured light have recently been the subject of intense study, aiming to realize high-capacity optical storage and continuous-variable quantum technologies. Here, we present a scheme to extract the orbital angular momentum content of Laguerre-Gaussian light beams in a double-$\\Lambda$ four level system of GaAs/AlGaAs multiple quantum wells. Arising from a quantum interference term, absorption of a non-vortex probe field depends upon the azimuthal phase of vortex fields so that both magnitude and sign of the azimuthal index/indices can be mapped into the absorptio"},"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":"1812.01912","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-12-05T10:58:35Z","cross_cats_sorted":[],"title_canon_sha256":"aff00f3fc7eb9384c0432aea0eedde2ffa9d27594d039091af3b94272f8da2e4","abstract_canon_sha256":"9586ba0d9dfa03944df31b6e082a569ad0833e7c9646acbf4cb962eedd5a111a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:42:26.014163Z","signature_b64":"848/1QVa30gkxc+v5LFPtJghpsB3xPKdWh5Kar6yTnCNyJ53Ql5F6KlIVQkD3skYPkGSkcwf1is/4y/YgbQhDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a17bd8f340371ece66ddd8ff9e79172a53746641dc26417c0b9f25a5de59882e","last_reissued_at":"2026-05-17T23:42:26.013554Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:42:26.013554Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Identifying orbital angular momentum of light in quantum wells","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Mohammad Mahmoudi, Seyedeh Hamideh Kazemi","submitted_at":"2018-12-05T10:58:35Z","abstract_excerpt":"Generation and detection of structured light have recently been the subject of intense study, aiming to realize high-capacity optical storage and continuous-variable quantum technologies. Here, we present a scheme to extract the orbital angular momentum content of Laguerre-Gaussian light beams in a double-$\\Lambda$ four level system of GaAs/AlGaAs multiple quantum wells. Arising from a quantum interference term, absorption of a non-vortex probe field depends upon the azimuthal phase of vortex fields so that both magnitude and sign of the azimuthal index/indices can be mapped into the absorptio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.01912","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":""},"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":"1812.01912","created_at":"2026-05-17T23:42:26.013662+00:00"},{"alias_kind":"arxiv_version","alias_value":"1812.01912v1","created_at":"2026-05-17T23:42:26.013662+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.01912","created_at":"2026-05-17T23:42:26.013662+00:00"},{"alias_kind":"pith_short_12","alias_value":"UF55R42AG4PM","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_16","alias_value":"UF55R42AG4PM4ZW5","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_8","alias_value":"UF55R42A","created_at":"2026-05-18T12:32:56.356000+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/UF55R42AG4PM4ZW53D7Z46IXFJ","json":"https://pith.science/pith/UF55R42AG4PM4ZW53D7Z46IXFJ.json","graph_json":"https://pith.science/api/pith-number/UF55R42AG4PM4ZW53D7Z46IXFJ/graph.json","events_json":"https://pith.science/api/pith-number/UF55R42AG4PM4ZW53D7Z46IXFJ/events.json","paper":"https://pith.science/paper/UF55R42A"},"agent_actions":{"view_html":"https://pith.science/pith/UF55R42AG4PM4ZW53D7Z46IXFJ","download_json":"https://pith.science/pith/UF55R42AG4PM4ZW53D7Z46IXFJ.json","view_paper":"https://pith.science/paper/UF55R42A","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1812.01912&json=true","fetch_graph":"https://pith.science/api/pith-number/UF55R42AG4PM4ZW53D7Z46IXFJ/graph.json","fetch_events":"https://pith.science/api/pith-number/UF55R42AG4PM4ZW53D7Z46IXFJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UF55R42AG4PM4ZW53D7Z46IXFJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UF55R42AG4PM4ZW53D7Z46IXFJ/action/storage_attestation","attest_author":"https://pith.science/pith/UF55R42AG4PM4ZW53D7Z46IXFJ/action/author_attestation","sign_citation":"https://pith.science/pith/UF55R42AG4PM4ZW53D7Z46IXFJ/action/citation_signature","submit_replication":"https://pith.science/pith/UF55R42AG4PM4ZW53D7Z46IXFJ/action/replication_record"}},"created_at":"2026-05-17T23:42:26.013662+00:00","updated_at":"2026-05-17T23:42:26.013662+00:00"}