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ESR 6 - Open Position

Publié le 16 septembre 2020

ESR6 - Quantum Dot Photonics On-Chip

The Nano-Photonics Group in the Department of Physics, University of Basel, Switzerland seeks to fill a PhD position in the area of "quantum dot photonics on-chip ". You will participate in the ITN (International Training Network) QUDOT-TECH.

Responsibilities and tasks
A single quantum dot is an excellent source of single photons. The photons can be efficiently coupled into on-chip waveguides. Ideally, the single-photons would be detected with on-chip single-photon detectors. The proposal here is to develop GaAs-compatible single-photon detectors and to integrate them with quantum dot photonic chips. Superconducting nanowires will form the single-photon detectors. By using an amorphous superconductor, compatibility with the GaAs matrix is ensured. The initial aim is to create superconducting nanowire single-photon detectors on GaAs with high efficiency (>75%) and low timing jitter (<100 ps). Subsequent aims are to interface the superconducting nanowire detectors with on-chip waveguides via evanescent coupling and to develop on-chip quantum optical circuits containing at the same time the sources, the waveguides and the single-photon detectors.

You will be expected to master and optimise thin-film deposition of amorphous superconductors using ultra-high-vacuum sputtering to fabricate single-photon detectors using the tools of nano-fabrication (state-of-the-art electron beam lithography and plasma etching) and to assess their performance to create photonic structures in GaAs including on-chip single-photon detectors work as part of a multi-partner team.

Qualifications
Candidates should hold a two-year master's degree (120 ECTS points) in physics or hold a similar degree with an academic level equivalent to a two-year master's degree. Experience in a related branch of experimental physics would be an advantage.

Further obligations
The ESR is expected to travel to network partners under secondments for a typical total durations of 3-5 months. Additionally, the ESR is expected to participate in outreach activities including, but not limited to, YouTube videos, social media updates, participation in public events and campaigns, as well as dissemination to popular press.

We offer
The Department of Physics at the University of Basel is a well-known hub in quantum technology. There are vigorous programmes in many aspects of quantum technology creating a stimulating environment. The department is extremely well equipped: state-of-the-art tools are all in place. The department offers a rewarding and challenging PhD programme in an international environment. The project will be pursued as a close collaboration with the other QUDOT-TECH partners who offer training and expertise in complementary areas. The ITN will offer a suite of training actions.

 

Salary and appointment terms
The salary and appointment terms follow current Swiss rules for PhD students funded by an ITN project. The period of employment on the QUDOT-TECH project is 3 years. An extension for up to an additional year may be possible, funded by other sources. QUDOT-TECH provides a competitive salary and a mobility allowance. An additional allowance may be payable dependent on individual family circumstances. The workplace is the Department of Physics, University of Basel.

Further information
Candidates can be of any nationality but should satisfy the mobility criteria. Applications (CV, transcript of studies, statement of motivation) should be sent by email to Professor Richard Warburton (richard.warburton@unibas.ch). The targeted start-date: 10/2020. Application deadline: October 16th, 2020. The recruitment is taking place following the European Code of Conduct for Recrutment of Researchers, which all candidates are encouraged to study.

Selection process
QUDOT-TECH is open to researchers regardless of gender, religion, ethnicity, disability, sexual orientation, political views, language, age and nationality. Applications from highly qualified applicants from outside the EU will thus be equally considered to other applicants. The integration of refugees is an EU priority and we will ensure equal opportunities to the researchers whose scientific careers have been interrupted. To ensure a gender balance in the project and work towards the Commission’s own policies on narrowing the gap between the genders in research, should two applicants be found to be equally qualified the preference will be given to the one that will balance the gender distribution in the entire Network. After the deadline, all submitted applications will be checked against the defined admissibility and eligibility criteria (e.g. submitted electronically, readable, complete, in English, including grades and references), and applicants will be informed by email within two work weeks on the outcome. The following interviews and selection process will be carried out by a temporary Selection Committee constituted by the Coordinator (when possible) and the supervisors. Evaluation criteria include: Scientific background (with particular focus on quantum mechanics), previous publications, capacity for creativity and independent thinking and leadership, mentoring and presentation abilities.

Protection of personal data
The personal data of the applicants will be handled in compliance with applicable EU and national law on data protection (GDPR).

This project has received funding from the European Union’s Horizon 2020 Research and innovation Programme under the Marie Skłodowska-Curie Grant Agreement No. 861097.



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This project has received funding from the European Union’s Horizon 2020 Research and innovation Programme under the Marie Sklodowska-Curie Grant Agreement No. 861097.