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Position: Postdoc in Integrated Photonics for Quantum Feed-Forward
Institution: Technical University of Denmark
Location: Kongens Lyngby, Lyngby‐Taarbæk Municipality, Denmark
Duties: Design of ultra-low loss and high-speed LNOI devices for feed-forward technology; Design and characterization of FPGA control of the quantum photonic system; Investigation of feed-forward architectures for near-deterministic generation of quantum photonic states, e.g. single photons and entangled resource states; Design and layout of quantum photonic integrated circuits; Characterization of the single photon source in terms of HOM, joint spectrum, and multiphoton contamination g(2) measurements with our state-of-the-art superconductive nanowire single photon detectors; Characterization of the generated entangled states with quantum tomography
Requirements: As a formal qualification, you must hold a PhD degree (or equivalent). The successful candidate is expected to have experience and expertise in one or more of the following subjects: Design and characterisation of nonlinear single photon sources; Design and characterisation of integrated photonics; Quantum information and quantum photonics; Nanofabrication technology
   
Text: Postdoc in Integrated Photonics for Quantum Feed-Forward DTU Fotonik Share on Facebook Share on Twitter Share on Linkedin Tuesday 12 Oct 21 Apply for this job Apply no later than 15 November 2021 Apply for the job at DTU Fotonik by completing the following form. Apply online Integrated photonics is vital to scaling up quantum photonic technology, such as quantum communication, quantum computing and quantum simulation. Meanwhile, measurement and conditional logic (feed-forward) is the key to large-scale quantum information processing architectures, enabling the deterministic preparation of quantum states, and computations using them in error-corrected quantum information processing, and quantum repeaters for unlimited distance quantum communications. This postdoc project, which is tied to the Villum Foundation Young Investigator project on Silicon-Lithium Niobate Hybrid Integrated Quantum Photonics (QUANPIC), will investigate quantum feed-forward technology based on the low-loss lithium niobate on insulator (LNOI) platform. The target is to obtain near-deterministic single photon states from probabilistic nonlinear photon-pair sources, and further to generate larger entangled states from probabilistic entanglement generation circuits. High-speed and low-loss lithium niobate for switches is a powerful emerging technology, which will enable the high-efficiency multiplexing required for this technology. In this project, cutting-edge lithium niobate devices will be fabricated in our state-of-the-art cleanroom at DTU Nanolabs (former DTU Danchip), and used to build quantum photonic feed-forward circuits for the near-deterministic generation of photonic quantum states. The Postdoc project will be jointly hosted by the High-Speed Optical Communications group (HSOC) and the Nanophotonic Devices group at the Department of Photonics Engineering at the Technical University of Denmark (DTU Fotonik). The HSOC group is at the very forefront of international research in high-dimensional quantum communications technology and holds a number of world records within silicon photonics and ultra-high speed optical communication. The Nanophotonics Devices group work within a broad range of topics ranging from advanced devices for frequency- and spatial-domain light manipulation to complex integrated optoelectronic components with tailored material responses that allows light emission and control in the temporal domain. Both groups have international impact, encourage collaborative work, and offer an informal working environment. The project will have access to on-site and state-of-the-art experimental and cleanroom facilities. Responsibilities and qualifications This Postdoc position will be part of the Villum QUANPIC project and will target experimental and theoretical investigations of the topics below: Design of ultra-low loss and high-speed LNOI devices for feed-forward technology. Design and characterization of FPGA control of the quantum photonic system . Investigation of feed-forward architectures for near-deterministic generation of quantum photonic states, e.g. single photons and entangled resource states. Design and layout of quantum photonic integrated circuits Characterization of the single photon source in terms of HOM, joint spectrum, and multiphoton contamination g(2) measurements with our state-of-the-art superconductive nanowire single photon detectors. Characterization of the generated entangled states with quantum tomography The exact research activities will be continuously adapted to ensure high relevance and impact. As a formal qualification, you must hold a PhD degree (or equivalent). The successful candidate is expected to have experience and expertise in one or more of the following subjects: Design and characterisation of nonlinear single photon sources. Design and characterisation of integrated photonics. Quantum information and quantum photonics. Nanofabrication technology. The candidate is furthermore expected to possess a high degree of self-motivation in scientific research, and have good communication skills in English, both written and spoken. We offer DTU is a leading technical university globally recognized for the excellence of its research, education, innovation and scientific advice. We offer a rewarding and challenging job in an international environment. We strive for academic excellence in an environment characterized by collegial respect and academic freedom tempered by responsibility. Salary and terms of employment The appointment will be based on the collective agreement with the Danish Confederation of Professional Associations. The allowance will be agreed upon with the relevant union. The period of employment is 2 years. The place of work is DTU Fotonik, Ørsteds Plads, Building 340, DK-2800 Kongens Lyngby, Denmark. You can read more about career paths at DTU here . Further information Further information may be obtained from Senior Researcher Yunhong Ding, e-mail: yudin@fotonik.dtu.dk . You can read more about DTU Fotonik on www.fotonik.dtu.dk/english . If you are applying from abroad, you may find useful information on working in Denmark and at DTU at DTU - Moving to Denmark . Application procedure Your complete online application must be submitted no later than 15 November 2021 (Danish time) . Applications must be submitted as one PDF file containing all materials to be given consideration. To apply, please open the link "Apply online", fill out the online application form, and attach all your materials in English in one PDF file . The file must include: Application (cover letter) CV Academic Diplomas (MSc/PhD) List of publications A ll interested candidates irrespective of age, gender, disability, race, religion or ethnic background are encouraged to apply. DTU Fotonik has 220 employees with competences in optics. In a typical year, DTU Fotonik educates 30 PhD students from more than 25 countries and our student numbers are constantly growing. As one of Europe’s largest public photonics research departments, DTU Fotonik covers a multitude of optical disciplines ranging from fundamental light-matter interaction and optical telecommunications to applied research and innovation. Our research topics include optical sensors, lasers, LEDs, photovoltaics, ultra-high speed optical transmission systems, bio-photonics, nano-optics and quantum photonics. Technology for people DTU develops technology for people. With our international elite research and study programmes, we are helping to create a better world and to solve the global challenges formulated in the UN’s 17 Sustainable Development Goals. Hans Christian Ørsted founded DTU in 1829 with a clear vision to develop and create value using science and engineering to benefit society. That vision lives on today. DTU has 12,900 students and 6,000 employees. We work in an international atmosphere and have an inclusive, evolving, and informal working environment. DTU has campuses in all parts of Denmark and in Greenland, and we collaborate with the best universities around the world.
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