Laser addressing unit for a 50 Qbit ion trap in quantum computing

Erik Beckert; Bernd Höfer; Marcus Babin; Simone Fabian; Peter Schreiber

doi:10.1117/12.2603270

9 March 2022 Laser addressing unit for a 50 Qbit ion trap in quantum computing

Erik Beckert, Bernd Höfer, Marcus Babin, Simone Fabian, Peter Schreiber

Proceedings Volume PC12015, Quantum Computing, Communication, and Simulation II; PC1201502 (2022) https://doi.org/10.1117/12.2603270
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

A laser adressing unit at 729 nm for up to 10 Ca40+ ions in a 1D-array was developed, focusing down to ca. 1 micron FWHM at a variable pitch of a few microns and allowing for an individual manipulation of each ion arounds its centered position at lowest cross-talk between neighbouring channels. The optical engine comprises of a wave-guide for defining the pitch between the different channels, moveable steering prisms in a telecentric setup and a final common objective to focus onto the ion trap within a vacuum chamber. This unit was now scaled up towards 50 ions, by placing and aligning several of the units precisely with respect to each other, still using the same high performant objective.

Conference Presentation

Citation Download Citation

Erik Beckert, Bernd Höfer, Marcus Babin, Simone Fabian, and Peter Schreiber "Laser addressing unit for a 50 Qbit ion trap in quantum computing", Proc. SPIE PC12015, Quantum Computing, Communication, and Simulation II, PC1201502 (9 March 2022); https://doi.org/10.1117/12.2603270

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