{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T22:24:18Z","timestamp":1787005458632,"version":"build-2736575974"},"reference-count":30,"publisher":"AIP Publishing","issue":"12","funder":[{"DOI":"10.13039\/501100012166","name":"National Key Research and Development Program of China","doi-asserted-by":"publisher","award":["2022YFB3904002"],"award-info":[{"award-number":["2022YFB3904002"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["91336213"],"award-info":[{"award-number":["91336213"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["61875065"],"award-info":[{"award-number":["61875065"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2024,12,1]]},"abstract":"<jats:p>A compact and fast radio-frequency (RF) source developed for Raman sideband cooling (RSBC) in trapped ion and cold atom experiments is presented. The source is based on direct digital synthesizer, advanced real-time infrastructure for quantum physics, and field programmable gate array. The source has a frequency switching speed of 40\u00a0ns and can output continuous \u03bcs-level time sequences for RSBC. The maximum output frequency of the source is 1.4\u00a0GHz. The RF source is capable of pre-writing data for eight channels. As a demonstration, the RF source is applied to our 25Mg+\u201327Al+ ion pair optical clock experiment. In order to cool down the ion pair to the vibrational ground state, two-order RSBC is applied to the 25Mg+ ion. As a result, the ion pair motions in the three X, Y, and Z directions are all cooled to the vibrational ground state efficiently, demonstrating the feasibility of this technique. The developed RF source can be widely implemented for other cold atom experiments.<\/jats:p>","DOI":"10.1063\/5.0235305","type":"journal-article","created":{"date-parts":[[2024,12,30]],"date-time":"2024-12-30T13:05:43Z","timestamp":1735563943000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":3,"title":["A compact and fast radio-frequency source for efficient Raman sideband cooling"],"prefix":"10.1063","volume":"95","author":[{"ORCID":"https:\/\/orcid.org\/0009-0007-5691-0109","authenticated-orcid":false,"given":"Liren","family":"Pang","sequence":"first","affiliation":[{"name":"MOE Key Laboratory of Fundamental Physical Quantities Measurement, Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF and School of Physics, Huazhong University of Science and Technology , 1037 Luoyu Road, Wuhan 430074,","place":["People\u2019s Republic of 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