Postdoctoral positions in trapped Rydberg ion experiments (quantum computing / cryo)

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Thursday, March 31, 2022

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The Trapped Ion Quantum Technology group at Stockholm University invites applications for two postdoctoral positions on our trapped Rydberg ion experiments. The first position is to work on a room-temperature experimental setup to investigate Rydberg physics and perform quantum gates in longer ion strings, the second position is to set up a novel cryogenic Rydberg ion trap experiment.

Trapped Rydberg ions are a new system for quantum computation. By laser pulses the ions’ outermost electron is excited to a high-lying Rydberg orbital [1]. Such Rydberg ions are million times bigger than ions in the ground state, and due to their size obtain very peculiar properties. Trapped ions can be entangled via a strong Rydberg interaction in less than a microsecond [2]. This method supports fast entangling gates in large ions crystals, thus enabling a fast trapped ion quantum computer or quantum simulator.

For more information please visit our group website and/or contact Assoc. Prof. Markus Hennrich, markus.hennrich@fysik.su.se.

Literature:
[1] Higgins, et al., Coherent control of a single trapped Rydberg ion, Physical Review Letters 119 (22), 220501 (2017).
[2] Zhang, et al., Submicrosecond entangling gate between trapped ions via Rydberg interaction, Nature 580, 345 (2020).