87Rb Two-photon Light Shift suppression through control of the excited state Zeeman Shifts

87Rb Two-photon Light Shift suppression through control of the excited state Zeeman Shifts | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article 87Rb Two-photon Light Shift suppression through control of the excited state Zeeman Shifts Bryan Semon, Asagwegbe Obaze-Adeleke, Thejesh Bandi This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-7456809/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract AC Stark effect, also known as light shift effect, is a dominating factor limiting the long-term stability of the rubidium optical clock. We propose a method of locking the laser loop which allows the Zeeman shift to act as a counterbalance to the light shift. In pursuit of this goal, we show detailed calculations for the excited state Zeeman splitting in the intermediate magnetic field regime (0 G to 12 G) and demonstrate measurements with quantitative spectroscopic data confirming to within $\pm$ 90 kHz/G the predicted Zeeman shift calculations for the $F_e = 4, m_f = -2$ transition. In this proof-of-concept setup the method of light shift compensation via Zeeman shift control to within 3.5 kHz is demonstrated. Further improvements in the magnetic field control could enhance the accuracy for controlling the light shift effect to well below 1~kHz, limited by noise in the applied Zeeman shift which is proportional to both the stability of the current in the coil and the Zeeman sensitivity of the chosen transition. Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Posted Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-7456809","acceptedTermsAndConditions":true,"allowDirectSubmit":true,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":511739490,"identity":"022b1ab6-654d-4829-9b8f-7762643e386c","order_by":0,"name":"Bryan Semon","email":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZAAAAAyAQMAAABI0h/eAAAABlBMVEX///8AAABVwtN+AAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAoUlEQVRIiWNgGAWjYBACAwhlAyYlSNGSRrqWwyRoMec/fHTDxx3nE/sbmA/e5iFGi+WMtLSbM8/cTpxxgC3ZmigtBjd4zG7ztt1ObDjAYyZNnJbz578BtZxLnH+A/xuRWg7ksAG1HEjccICHjTgtQL+Y3ZzZlmy88TCbseUcYrQAQ+zZjY9tdrLzjjc/vPGGGC0IwEya8lEwCkbBKBgF+AAAht40N11Px+cAAAAASUVORK5CYII=","orcid":"","institution":"University of Alabama","correspondingAuthor":true,"prefix":"","firstName":"Bryan","middleName":"","lastName":"Semon","suffix":""},{"id":511739491,"identity":"fea089ab-c536-4aff-ab30-182eadf9553e","order_by":1,"name":"Asagwegbe Obaze-Adeleke","email":"","orcid":"","institution":"University of Alabama","correspondingAuthor":false,"prefix":"","firstName":"Asagwegbe","middleName":"","lastName":"Obaze-Adeleke","suffix":""},{"id":511739492,"identity":"475f56f0-dc48-4981-a3ba-7d51b2eb1874","order_by":2,"name":"Thejesh Bandi","email":"","orcid":"","institution":"University of Alabama","correspondingAuthor":false,"prefix":"","firstName":"Thejesh","middleName":"","lastName":"Bandi","suffix":""}],"badges":[],"createdAt":"2025-08-25 20:23:10","currentVersionCode":1,"declarations":"","doi":"10.21203/rs.3.rs-7456809/v1","doiUrl":"https://doi.org/10.21203/rs.3.rs-7456809/v1","draftVersion":[],"editorialEvents":[],"editorialNote":"","failedWorkflow":false,"files":[{"id":92546784,"identity":"e8115d20-89b6-44ee-9468-f93f296b759e","added_by":"auto","created_at":"2025-09-30 21:01:19","extension":"pdf","order_by":1,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":1525897,"visible":true,"origin":"","legend":"","description":"","filename":"ZeemanStarkshiftspectroscopy.pdf","url":"https://assets-eu.researchsquare.com/files/rs-7456809/v1_covered_2c9d2dfd-5116-4ad3-8621-5c9be5f66ad9.pdf"}],"financialInterests":"No competing interests reported.","formattedTitle":"87Rb Two-photon Light Shift suppression through control of the excited state Zeeman Shifts","fulltext":[],"fulltextSource":"","fullText":"","funders":[],"hasAdminPriorityOnWorkflow":false,"hasManuscriptDocX":false,"hasOptedInToPreprint":true,"hasPassedJournalQc":"","hasAnyPriority":false,"hideJournal":true,"highlight":"","institution":"","isAcceptedByJournal":false,"isAuthorSuppliedPdf":true,"isDeskRejected":"","isHiddenFromSearch":false,"isInQc":false,"isInWorkflow":false,"isPdf":true,"isPdfUpToDate":true,"isWithdrawnOrRetracted":false,"journal":{"display":true,"email":"[email protected]","identity":"researchsquare","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":true,"externalIdentity":"","sideBox":"","snPcode":"","submissionUrl":"/submission","title":"Research Square","twitterHandle":"researchsquare","acdcEnabled":true,"dfaEnabled":false,"editorialSystem":"","reportingPortfolio":"","inReviewEnabled":false,"inReviewRevisionsEnabled":true},"keywords":"","lastPublishedDoi":"10.21203/rs.3.rs-7456809/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-7456809/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"AC Stark effect, also known as light shift effect, is a dominating factor limiting the long-term stability of the rubidium optical clock. 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