{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:SNFVFC43OOTU5R55BJBR2UIXEF","short_pith_number":"pith:SNFVFC43","schema_version":"1.0","canonical_sha256":"934b528b9b73a74ec7bd0a431d51172146782a9dfc98853dcc866bf6b1909573","source":{"kind":"arxiv","id":"1702.00331","version":1},"attestation_state":"computed","paper":{"title":"Room-temperature 1.54 $\\mu$m photoluminescence of Er:O$_x$ centers at extremely low concentration in silicon","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Ayman Abdelghafar, Enrico Prati, Koji Inoue, Lavinia Ghirardini, Maasa Yano, Marco Finazzi, Michele Celebrano, Paolo Biagioni, Takahiro Shinada, Takashi Tanii, Yasuo Shimizu, Yasuyoshi Nagai, Yuan Tu, Yuki Chiba","submitted_at":"2017-02-01T16:06:43Z","abstract_excerpt":"The demand for single photon sources at $\\lambda~=~1.54~\\mu$m, which follows from the consistent development of quantum networks based on commercial optical fibers, makes Er:O$_x$ centers in Si still a viable resource thanks to the optical transition of $Er^{3+}~:~^4I_{13/2}~\\rightarrow~^4I_{15/2}$. Yet, to date, the implementation of such system remains hindered by its extremely low emission rate. In this Letter, we explore the room-temperature photoluminescence (PL) at the telecomm wavelength of very low implantation doses of $Er:O_x$ in $Si$. The emitted photons, excited by a $\\lambda~=~792"},"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":"1702.00331","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-02-01T16:06:43Z","cross_cats_sorted":[],"title_canon_sha256":"e4b1ca9dbdd2e6ac1d6add0496a6d1492125fbdc25b4e8948b5f17d79a91ff84","abstract_canon_sha256":"b94e25009e8327a2675dbebbe2aff5ee82847210a514cdc5fe70821a94f5990f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:33:21.608004Z","signature_b64":"beMoAOpYrXa6nm1J5IqRw3WpIPdsWDj5mL5+a1IjOPwlDY4TiDaHKTCfO5i4PhRwMZsmFsNnhfW39+gbQeguCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"934b528b9b73a74ec7bd0a431d51172146782a9dfc98853dcc866bf6b1909573","last_reissued_at":"2026-05-18T00:33:21.607399Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:33:21.607399Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Room-temperature 1.54 $\\mu$m photoluminescence of Er:O$_x$ centers at extremely low concentration in silicon","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Ayman Abdelghafar, Enrico Prati, Koji Inoue, Lavinia Ghirardini, Maasa Yano, Marco Finazzi, Michele Celebrano, Paolo Biagioni, Takahiro Shinada, Takashi Tanii, Yasuo Shimizu, Yasuyoshi Nagai, Yuan Tu, Yuki Chiba","submitted_at":"2017-02-01T16:06:43Z","abstract_excerpt":"The demand for single photon sources at $\\lambda~=~1.54~\\mu$m, which follows from the consistent development of quantum networks based on commercial optical fibers, makes Er:O$_x$ centers in Si still a viable resource thanks to the optical transition of $Er^{3+}~:~^4I_{13/2}~\\rightarrow~^4I_{15/2}$. Yet, to date, the implementation of such system remains hindered by its extremely low emission rate. In this Letter, we explore the room-temperature photoluminescence (PL) at the telecomm wavelength of very low implantation doses of $Er:O_x$ in $Si$. The emitted photons, excited by a $\\lambda~=~792"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.00331","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":"1702.00331","created_at":"2026-05-18T00:33:21.607506+00:00"},{"alias_kind":"arxiv_version","alias_value":"1702.00331v1","created_at":"2026-05-18T00:33:21.607506+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.00331","created_at":"2026-05-18T00:33:21.607506+00:00"},{"alias_kind":"pith_short_12","alias_value":"SNFVFC43OOTU","created_at":"2026-05-18T12:31:43.269735+00:00"},{"alias_kind":"pith_short_16","alias_value":"SNFVFC43OOTU5R55","created_at":"2026-05-18T12:31:43.269735+00:00"},{"alias_kind":"pith_short_8","alias_value":"SNFVFC43","created_at":"2026-05-18T12:31:43.269735+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/SNFVFC43OOTU5R55BJBR2UIXEF","json":"https://pith.science/pith/SNFVFC43OOTU5R55BJBR2UIXEF.json","graph_json":"https://pith.science/api/pith-number/SNFVFC43OOTU5R55BJBR2UIXEF/graph.json","events_json":"https://pith.science/api/pith-number/SNFVFC43OOTU5R55BJBR2UIXEF/events.json","paper":"https://pith.science/paper/SNFVFC43"},"agent_actions":{"view_html":"https://pith.science/pith/SNFVFC43OOTU5R55BJBR2UIXEF","download_json":"https://pith.science/pith/SNFVFC43OOTU5R55BJBR2UIXEF.json","view_paper":"https://pith.science/paper/SNFVFC43","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1702.00331&json=true","fetch_graph":"https://pith.science/api/pith-number/SNFVFC43OOTU5R55BJBR2UIXEF/graph.json","fetch_events":"https://pith.science/api/pith-number/SNFVFC43OOTU5R55BJBR2UIXEF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SNFVFC43OOTU5R55BJBR2UIXEF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SNFVFC43OOTU5R55BJBR2UIXEF/action/storage_attestation","attest_author":"https://pith.science/pith/SNFVFC43OOTU5R55BJBR2UIXEF/action/author_attestation","sign_citation":"https://pith.science/pith/SNFVFC43OOTU5R55BJBR2UIXEF/action/citation_signature","submit_replication":"https://pith.science/pith/SNFVFC43OOTU5R55BJBR2UIXEF/action/replication_record"}},"created_at":"2026-05-18T00:33:21.607506+00:00","updated_at":"2026-05-18T00:33:21.607506+00:00"}