{"paper":{"title":"All-optical nanoscale thermometry with silicon-vacancy centers in diamond","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"quant-ph","authors_text":"Alp Sipahigil, Christian T. Nguyen, Denis D. Sukachev, Fedor Jelezko, Liudmila F. Kulikova, Mihir K. Bhaskar, Mikhail D. Lukin, Ruffin E. Evans, Valery A. Davydov, Viatcheslav N. Agafonov","submitted_at":"2017-08-17T19:35:18Z","abstract_excerpt":"We demonstrate an all-optical thermometer based on an ensemble of silicon-vacancy centers (SiVs) in diamond by utilizing a temperature dependent shift of the SiV optical zero-phonon line transition frequency, $\\Delta\\lambda/\\Delta T= 6.8\\,\\mathrm{GHz/K}$. Using SiVs in bulk diamond, we achieve $70\\,\\mathrm{mK}$ precision at room temperature with a sensitivity of $360\\,\\mathrm{mK/\\sqrt{Hz}}$. Finally, we use SiVs in $200\\,\\mathrm{nm}$ nanodiamonds as local temperature probes with $521\\,\\mathrm{ mK/\\sqrt{Hz}}$ sensitivity. These results open up new possibilities for nanoscale thermometry in biol"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.05419","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"}