{"paper":{"title":"Integrated ytterbium gain for visible-near-infrared photonics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"Ytterbium ions integrated into aluminum oxide deliver high-power near-infrared amplification and visible supercontinuum on chip.","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Danxian Liu, David R. Carlson, Erik W. Masselink, Grisha Spektor, Kiyoul Yang, Nathan Brooks, Peter Chang, Scott A. Diddams, Scott B. Papp, Tianyi Zeng, Tsung-Han Wu, Zachary L. Newman","submitted_at":"2026-05-13T17:51:21Z","abstract_excerpt":"Rare-earth gain media form the foundation of modern optical communications, emerging quantum hardware, and ultrafast optics. While chip-scale integration can enable fiber-like, and potentially beyond-fiber, functionality with unprecedented scalability, development in the visible and near-infrared remains in its early stages. Here, we demonstrate ytterbium-based optical gain integrated into an aluminum oxide photonic platform, achieving both single-mode lasing and optical amplification in the near-infrared regime. This platform delivers optical amplification with output powers exceeding 0.5 W, "},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"Here, we demonstrate ytterbium-based optical gain integrated into an aluminum oxide photonic platform, achieving both single-mode lasing and optical amplification in the near-infrared regime. This platform delivers optical amplification with output powers exceeding 0.5 W, an optical-to-optical conversion efficiency above 70%, and a noise figure of 3.3 dB, approaching the quantum limit for phase-insensitive amplification. Furthermore, we achieve femtosecond pulse amplification to a record peak power of 14 kW, enabling supercontinuum generation with visible dispersive waves extending from 780 to 476 nm in conjunction with nonlinear photonic devices.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"Ytterbium ions can be incorporated into the aluminum oxide matrix at sufficient concentration and uniformity to deliver the stated gain, efficiency, and low noise without quenching, scattering losses, or fabrication-induced defects that would prevent heterogeneous integration into standard photonic circuits.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"Ytterbium-doped aluminum oxide photonic platform achieves single-mode lasing, >0.5 W amplification at >70% efficiency and 3.3 dB noise figure, 14 kW peak-power femtosecond pulses, and visible supercontinuum generation from 780 to 476 nm.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Ytterbium ions integrated into aluminum oxide deliver high-power near-infrared amplification and visible supercontinuum on chip.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"358b808b3bd56ca348b73d2da947967ab0880eca14d86e1c4a19795ae275e65d"},"source":{"id":"2605.13828","kind":"arxiv","version":1},"verdict":{"id":"d16caeb3-06ab-4df6-b9a1-0b71f54eb3fe","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-14T17:28:02.072978Z","strongest_claim":"Here, we demonstrate ytterbium-based optical gain integrated into an aluminum oxide photonic platform, achieving both single-mode lasing and optical amplification in the near-infrared regime. This platform delivers optical amplification with output powers exceeding 0.5 W, an optical-to-optical conversion efficiency above 70%, and a noise figure of 3.3 dB, approaching the quantum limit for phase-insensitive amplification. Furthermore, we achieve femtosecond pulse amplification to a record peak power of 14 kW, enabling supercontinuum generation with visible dispersive waves extending from 780 to 476 nm in conjunction with nonlinear photonic devices.","one_line_summary":"Ytterbium-doped aluminum oxide photonic platform achieves single-mode lasing, >0.5 W amplification at >70% efficiency and 3.3 dB noise figure, 14 kW peak-power femtosecond pulses, and visible supercontinuum generation from 780 to 476 nm.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"Ytterbium ions can be incorporated into the aluminum oxide matrix at sufficient concentration and uniformity to deliver the stated gain, efficiency, and low noise without quenching, scattering losses, or fabrication-induced defects that would prevent heterogeneous integration into standard photonic circuits.","pith_extraction_headline":"Ytterbium ions integrated into aluminum oxide deliver high-power near-infrared amplification and visible supercontinuum on chip."},"references":{"count":79,"sample":[{"doi":"","year":null,"title":"or effectiveχ (2) processes in silicon nitride [66– 68]. Looking forward, full integration of a pulse generator can be realized on the Yb-gain platform established in this work via a Mamyshev oscillat","work_id":"c8bdcd20-e15f-4e00-9578-cc3350754d88","ref_index":1,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":1987,"title":"Desurvire, E., Simpson, J. R. & Becker, P. High- gain erbium-doped traveling-wave fiber amplifier.Optics Letters12, 888–890 (1987)","work_id":"b2c28cd5-bbf3-4d9b-8826-dded59e267ad","ref_index":2,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":1988,"title":"Hanna, D.et al.Continuous-wave oscillation of a monomode ytterbium-doped fibre laser.Electronics Letters24, 1111–1113 (1988)","work_id":"43afcb80-0c42-48f0-bf11-0753553cd3e1","ref_index":3,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2019,"title":"Anderegg, L.et al.An optical tweezer array of ultracold molecules.Science365, 1156–1158 (2019)","work_id":"e9421285-7ffe-414e-88b0-5ef4c59eb05f","ref_index":4,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2025,"title":"J.et al.A tweezer array with 6,100 highly coherent atomic qubits.Nature647, 60–67 (2025)","work_id":"2b9827e9-7997-4676-a593-b34bf21db70a","ref_index":5,"cited_arxiv_id":"","is_internal_anchor":false}],"resolved_work":79,"snapshot_sha256":"be444fea8d641192e512738c924de71c9a90831f0f56310b7f98db574e1aa92a","internal_anchors":0},"formal_canon":{"evidence_count":1,"snapshot_sha256":"03cf784e5aad903b7de42946acf1d7ae767ae2c624941e47cb254d8c5963f784"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}