PhD in Quantum Technologies: Optical Clocks for Geodesy
dogado GmbH
English version below Messkunst „Made in Germany" – dafür stehen die ca. 2100 Mitarbeitenden der Physikalisch-Technischen Bundesanstalt (PTB). Als nationales Metrologieinstitut und führende Forschungseinrichtung entwickeln wir in einem internationalen Arbeitsumfeld weltweit führende Standards für das Messen. So sorgen wir dafür, dass Menschen und Organisationen Messungen vertrauen können. In Braunschweig suchen wir Sie für den Fachbereich 4.3 „Quantenoptik und Längeneinheit“ als: Doktorandin / Doktorand (m/w/d) Quantentechnologien Entgeltgruppe 13 TVöD Bund ○ befristet bis zum 30.06.2029 ○ Teilzeit 33,15 Wochenstunden Ihre Aufgaben: Sie unterstützen die Arbeitsgruppe 4.34 "Frequenzübertragung mit Glasfasern" bei der interdisziplinären Forschung im Bereich der Geodäsie mit optischen Atomuhren mit folgenden Tätigkeiten: Vorbereitung, Durchführung und Auswertung von hochgenauen (bis 1E−18) Uhrenvergleichen über Glasfaser zur zentimetergenauen Messung von Geopotentialdifferenzen („chronometrisches Nivellieren“), in Zusammenarbeit mit Forschenden anderer Arbeitsgruppen und Fachbereiche bzw. Institute Entwicklung und Weiterentwicklung innovativer Lösungen für optische Frequenzübertragung in Glasfasern, insbesondere für den Einsatz außerhalb des Labors, sowie optische Freistrahl-Frequenzübertragung bis 100 km Reichweite Betrieb und Weiterentwicklung von nationalen und internationalen Glasfaserstrecken zur hochgenauen optischen Frequenzübertragung Präsentation der Forschungsergebnisse auf internationalen Konferenzen und durch Veröffentlichung in wissenschaftlichen Zeitschriften Ihr Profil: Abgeschlossenes Hochschulstudium (Diplom/Master) der Fachrichtung Physik, Elektrotechnik, Optikingenieurwesen oder vergleichbar Kenntnisse und Erfahrungen auf folgenden Gebieten sind von Vorteil: experimentelle Optik, Laser- und Faseroptik, Regeltechnik, Elektronik, Programmierung (Messdatenanalyse, Automation von Versuchsaufbauten) sowie idealerweise Zeit- bzw. Frequenzmetrologie Hohes Engagement, eigenverantwortliches Lernen und Arbeiten sowie experimentelles Geschick Neugierde, schnelle Auffassungsgabe und die Bereitschaft, über den eigenen Aufgabenbereich hinauszudenken Ausgeprägte Team- und Kommunikationsfähigkeit Englischkenntnisse ( C1-Niveau ), Deutschkenntnisse sind von Vorteil Bereitschaft zu Dienstreisen im In- und Ausland Die physische Möglichkeit zur Laborarbeit muss gegeben sein (die Tätigkeit stellt besondere Anforderungen an Mobilität, Sehvermögen und umfasst u. a. Justierarbeiten an optischen Aufbauten; wir prüfen jedoch im Einzelfall gerne Möglichkeiten der Anpassung) Wir bieten: Werden Sie Teil von QuantumFrontiers 2 und bereiten Sie den Weg für die quantenbasierte Höhenmessung der Zukunft! In dieser Position tragen Sie dazu bei, hochgenaue optische Atomuhren in Verbindung mit allgemeiner Relativitätstheorie als praktisches Messverfahren der Geodäsie zu etablieren. Sie sind Teil eines lebendigen und interdisziplinären Arbeitsumfelds und kooperieren mit nationalen und europäischen Beteiligten aus den Bereichen Metrologie und Geowissenschaften. Unser Promovierendenprogramm bietet zusätzlich die Möglichkeit, sich untereinander sowie national und international u. a. auf wissenschaftlichen Konferenzen zu vernetzen. Eine Übersicht unserer weiteren Benefits finden Sie auf unserer Karriereseite . Das ist uns wichtig: Die PTB fördert die Gleichstellung von Frauen und Männern und ist besonders an der Bewerbung von Frauen interessiert. Gleichzeitig sind wir bestrebt, die gesellschaftliche Vielfalt widerzuspiegeln. Daher ist jede Bewerbung, unabhängig von ihrem Geschlecht, ihrer kulturellen oder sozialen Herkunft, Religion, Weltanschauung oder sexuellen Identität herzlich willkommen. Schwerbehinderte oder ihnen gleichgestellte Menschen werden bei gleicher Eignung bevorzugt berücksichtigt. Ihre Bewerbung: Fachliche Fragen zu dieser Position beantwortet Ihnen im Fachbereich 4.3 : Dr. Jochen Kronjäger, Tel.: 0531 592-4340, E-Mail: View email address on click.appcast.io . Wir freuen uns auf Ihre Online-Bewerbung bis zum 17. Juni 2026 unter der Kennziffer 26-85-4B. Bitte nutzen Sie dafür den Button „ONLINE-BEWERBEN“ – dieser führt Sie direkt zu unserem Bewerbungsportal. Wir legen Wert auf ein Motivationsschreiben sowie einen Lebenslauf und alle relevanten Zeugnisse. Bewerbungen per E-Mail können wir nicht berücksichtigen. Mit Ihrer Bewerbung akzeptieren Sie die Datenschutzbestimmungen . English version The art of measurement "Made in Germany" - this is what the approximately 2100 employees of the Physikalisch-Technische Bundesanstalt (PTB) stand for. As a national metrology institute and leading research organisation, we develop world-leading standards for measurement in an international working environment. This is how we ensure that people and organisations can trust measurements. In Braunschweig, in department 4.3 "Quantum Optics and Unit of Length", we are looking for you for as: Doctoral candidate (m/f/d) in quantum technologies Remuneration group 13 TVöD Bund ○ fixed term until 30.06.2029 ○ Part-time 33,15 hours per week Your tasks: You will support the working group 4.34 "Frequency dissemination with fibres" in interdisciplinary research in the field of geodesy with optical atomic clocks with the following activities: Preparation, implementation and evaluation of high-precision (down to 1E-18) clock comparisons via optical fibres for measuring geopotential differences with centimetre accuracy ("chronometric levelling"), in collaboration with researchers from other working groups and departments or institutes Design and further development of innovative solutions for optical frequency dissemination in optical fibres, in particular for use outside the laboratory, as well as optical free-space frequency transfer up to 100 km range Operation and further development of national and international fibre optic links for high-precision optical frequency transfer Presentation of research results at international conferences and through publication in scientific journals Your profile: Degree (master's degree or German diploma) in physics, electrical engineering, optical engineering or equivalent Knowledge or experience in the following fields is an advantage: experimental optics, laser and fibre optics, control engineering, electronics, programming (measurement data analysis, automation of experimental setups) and ideally time and frequency metrology High level of commitment, independent learning and working as well as experimental skills Curiosity, quick comprehension and a willingness to think beyond your own area of work Strong teamwork and communication skills Knowledge of English ( C1 level ), knowledge of German is an advantage Willingness to travel at home and abroad The physical ability to work in the laboratory must be given (the activity places special demands on mobility, eyesight and includes adjustment work on optical setups; however, we are happy to check the possibilities of adaptation in individual cases). We offer: Become part of QuantumFrontiers 2 and pave the way for the quantum-based height measurement of the future! In this position, you will contribute to establishing high-precision optical atomic clocks in combination with general relativity as a practical measurement method in geodesy. You will be part of a lively and interdisciplinary working environment and co-operate with national and European participants from the fields of metrology and geosciences. Our doctoral programme also offers the opportunity to network with each other as well as nationally and internationally, for example at scientific conferences. You can find an overview of our other benefits on our career pages . This is important for us: PTB promotes gender equality and strongly encourages applications from female candidates. At the same time, we strive to reflect the diversity of our society. We therefore welcome every application submitted, regardless of the candidate’s gender, cultural or social background, religion, ideology or sexual identity. If equally suited to the position, disabled persons or persons having equivalent status under German law will be given preference. Your application: For subject-related questions concerning this position, please contact Department 4.3 : Dr. Jochen Kronjäger, Tel.: 0531 592-4340, E-Mail: View email address on click.appcast.io . We look forward to receiving your application by 17. Juni 2026 under Ref. No. 26-85-4B. Please use the button “ONLINE APPLICATION”. This will directly lead you to our application portal. We value a letter of motivation as well as a CV and all relevant certificates. Unfortunately, we cannot accept applications sent via email. With your application you accept the data protections regulations . #J-18808-Ljbffr dogado GmbH
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