ETH Zürich

Postdoc positions in Experimental Quantum Engineering Group

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Postdoc positions in Experimental Quantum Engineering Group

The Experimental Quantum Engineering (EQE) group at ETH Zurich and PSI seeks highly motivated postdoctoral researchers to work at the intersection of quantum optics and quantum information science. Led by Prof. Wenchao Xu, the EQE group focuses on harnessing the potential of quantum systems involving neutral atoms and their Rydberg states for advancing quantum science and exploring new phenomena in quantum nonlinear optics. 

Project background

Realizing the promise of quantum technologies hinges on our ability to efficiently connect and transfer information across different quantum systems. Such a quantum interconnect, which can link remote quantum systems, represents an essential component of quantum communication networks, distributed quantum sensors, and large-​scale modular quantum computing architectures. While photons are ideal carriers to transmit quantum information, the implementation of optical quantum interconnects remains an outstanding challenge, due to the difficulty in coupling matter-​qubits and light.

In this research project, we aim to develop, construct, and demonstrate a novel quantum interconnect that can link remote neutral-​atom arrays, which have emerged as the most rapidly developing quantum information platform. Error-​corrected quantum processing has recently been demonstrated in Rydberg-​atom arrays, such that the technology to connect different processing units will be an important next step towards large-​scale, fault-​tolerant modular quantum computation. This project will pursue a novel approach, which combines individual qubits with mesoscopic atomic ensembles and exploits the unique properties of Rydberg states, to facilitate remote quantum gate operations as well as high fidelity optical interfacing without the need for optical cavities.

Job description

As a postdoc in this role, you will be at the forefront of quantum science and quantum technologies. Your responsibilities will include setting up laser systems for coherent Rydberg state manipulation, designing optical and electronic systems for precise control, and calibrating the dynamical process with the appearence of Rydberg interactions. Scientific objectives include searching for optimal Rybderg pair interactions for facilitating exchange dynamics, identifying experimental parameters for establishing realiable quantum interfaces, and demonstrating quantum optical links between remote atom-array-based processors. 

This position is full-time, with flexible starting dates in 2024.

Your profile

  • A PhD degree in physics or relevant fields
  • Prior experience in experimental atomic, molecular and optics (AMO) physics
  • Strong interest in pioneering quantum science with experimental platforms based on neutral atoms and their Rydberg states
  • Good communication skills in English (German is a plus)
  • Ability to work independently and in collaboration, establishing positive interactions with group members and other researchers

We offer

In this role, you will:

  • Have the freedom to develop your research ideas and skills
  • Have the opportunity to collaborate internally with other ETH and PSI researchers, as well as externally
  • Experience a supportive group atmosphere
Working, teaching and research at ETH Zurich

We value diversity

In line with our values, ETH Zurich encourages an inclusive culture. We promote equality of opportunity, value diversity and nurture a working and learning environment in which the rights and dignity of all our staff and students are respected. Visit our Equal Opportunities and Diversity website to find out how we ensure a fair and open environment that allows everyone to grow and flourish.

Curious? So are we.

We look forward to receiving your online application with the following documents:

  • CV (with publication list)
  • Cover letter
  • 2-3 references

Please note that we exclusively accept applications submitted through our online application portal. 

Further information about our research group can be found on our website. Questions regarding the position should be directed to Prof. Dr. Wenchao Xu, (no applications).

About ETH Zürich

ETH Zurich is one of the world’s leading universities specialising in science and technology. We are renowned for our excellent education, cutting-edge fundamental research and direct transfer of new knowledge into society. Over 30,000 people from more than 120 countries find our university to be a place that promotes independent thinking and an environment that inspires excellence. Located in the heart of Europe, yet forging connections all over the world, we work together to develop solutions for the global challenges of today and tomorrow.

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Postdoc positions in Experimental Quantum Engineering Group
Rämistrasse 101 Zürich, Sveitsi
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ETH Zürich is well known for its excellent education, ground-breaking fundamental research and for implementing its results directly into practice.

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