{"paper":{"title":"Cavity quantum acoustic device in the multimode strong coupling regime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"quant-ph","authors_text":"Bradley A. Moores, Jeremie J. Viennot, K. W. Lehnert, Lucas R. Sletten","submitted_at":"2017-11-16T04:07:00Z","abstract_excerpt":"We investigate an acoustical analog of circuit quantum electrodynamics that facilitates compact high-Q (${>}20,000$) microwave-frequency cavities with dense spectra. We fabricate and characterize a device that comprises a flux tunable transmon coupled to a $300\\,\\mathrm{\\mu m}$ long surface acoustic wave resonator. For some modes, the qubit-cavity coupling reaches $6.5\\,\\mathrm{MHz}$, exceeding the cavity loss rate ($200\\,\\mathrm{kHz}$), qubit linewidth ($1.1\\,\\mathrm{MHz}$), and the cavity free spectral range ($4.8\\,\\mathrm{MHz}$), placing the device in both the strong coupling and strong mul"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.05913","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"}