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Position: PhD student in the field of quantum technologies
Institution: Physikalisch-Technische Bundesanstalt
Location: Braunschweig, Niedersachsen, Germany
Duties: Based on a silicon resonator at 124 K, our group operates the world’s most frequency-stable laser (Phys. Rev. Lett. 118, 263202 (2017)). In collaboration with research groups in Europe and the USA, we aim to further improve the laser’s stability, e.g. through novel mirror materials and improved isolation from environmental conditions. In this project you will be working on: Developing the first ultrastable resonators with novel nano-structured mirrors and investigating their fundamental noise sources; Improving ultrastable resonators at lower temperatures to further reduce thermal noise; Identifying and reducing technical noise sources below the current state of the art, e.g. due to temperature, acceleration, optical power; Using the excellent frequency stability of our existing and future ultrastable lasers for improved optical atomic clocks both at PTB (Sr lattice clocks, Yb single ion clocks, Al quantum logic clock, ...) and at our partner institutes via a European fiber optic network; this frequency stability will also be used for fundamental physics tests; Presenting and publishing the scientific results
Requirements: You have completed your university studies (Master’s or German Diplom ) in physics, electrical engineering or a comparable field and have obtained at least a “good” grade; You have practical experience in optics/photonics, laser technology, or a related field; Having experience in cryogenics would be an advantage; Programming experience, preferably in Python, would also be of advantage; You have an interest in developing and performing high-precision experiments; You have a good command of both spoken and written German and English; You are a team player with excellent communication skills; You are highly committed and capable of working independently; you also have a willingness to learn; It is essential that you are physically able to work in a laboratory; You are willing to travel within the scope of your assignments
   
Text: PhD student in the field of quantum technologies (21-310-4) Tuesday, 29. June 2021 The Physikalisch-Technische Bundesanstalt (PTB) is the National Metrology Institute of the Federal Republic of Germany with scientific and technical service tasks. It furthers progress and reliability in metrology for society, the economy, and science. At the PTB site in Braunschweig, the following position is to be filled in Department 4.3 “Quantum Optics and Unit of Length” at the earliest possible date initially for a limited period of 3 years: PhD student in the field of quantum technologies Remuneration Group 13 TVöD Bund (85 %) ○ fixed-term contract Your tasks: Based on a silicon resonator at 124 K, our group operates the world’s most frequency-stable laser (Phys. Rev. Lett. 118 , 263202 (2017)). In collaboration with research groups in Europe and the USA, we aim to further improve the laser’s stability, e.g. through novel mirror materials and improved isolation from environmental conditions. In this project you will be working on: Developing the first ultrastable resonators with novel nano-structured mirrors and investigating their fundamental noise sources Improving ultrastable resonators at lower temperatures to further reduce thermal noise Identifying and reducing technical noise sources below the current state of the art, e.g. due to temperature, acceleration, optical power Using the excellent frequency stability of our existing and future ultrastable lasers for improved optical atomic clocks both at PTB (Sr lattice clocks, Yb single ion clocks, Al quantum logic clock, ...) and at our partner institutes via a European fiber optic network; this frequency stability will also be used for fundamental physics tests Presenting and publishing the scientific results Your profile: You have completed your university studies (Master’s or German Diplom ) in physics, electrical engineering or a comparable field and have obtained at least a “good” grade. You have practical experience in optics/photonics, laser technology, or a related field. Having experience in cryogenics would be an advantage. Programming experience, preferably in Python, would also be of advantage. You have an interest in developing and performing high-precision experiments. You have a good command of both spoken and written German and English. You are a team player with excellent communication skills. You are highly committed and capable of working independently; you also have a willingness to learn. It is essential that you are physically able to work in a laboratory. You are willing to travel within the scope of your assignments. We offer: A position at one of the world’s leading research institutions which has an excellent infrastructure Intensive PhD supervision in an interdisciplinary team The chance to be part of eminent national and international networks. Besides EMPIR, we are members of the “ QuantumFrontiers ” Cluster of Excellence and of SFB 1227 “Designed quantum states of matter” (DQ-mat). We also collaborate with NIST/JILA (USA). Remuneration in accordance with the collective bargaining agreement for the public service ( Tarifvertrag öffentlicher Dienst Bund - TVöD for the federal level) including special annual payments and capital forming benefits Good transport connections (bus and bike); free parking In-house daycare center and canteen You will find further information related to this position in Department 4.3 and by contacting: Dr. U. Sterr, phone: 49 (0)531 592-4310, e-mail: uwe.sterr (at) ptb . de or Dr. H. Schnatz, phone: 49 (0)531 592-4300, e-mail: harald.schnatz (at) ptb . de . PTB promotes the professional equality of women and men and is thus especially interested in applications from women. Within the scope of the official feasibilities, PTB offers flexible part-time work schemes in order to support in particular the compatibility of work and family life. Disabled persons will be given priority if they have the same occupational aptitude. Please use our online application form Alternatively, you can post your application to us at the following address: Physikalisch-Technische Bundesanstalt Referat “Personal” Reference number 21-310-4 Bundesallee 100 38116 Braunschweig Germany Unfortunately, we cannot accept applications sent via e-mail. Applications can be submitted from 1 June 2021 until 29 June 2021. Back
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