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Quantum Computing in planar traps

As the field of Quantum Computing further emerges, specialized and dedicated electronics are required. Our company works in close collaboration with ion-trap research institutions and supports among others, the QUELE-project with specialized electronics.
In a planar trap quantum computing is envisaged by allowing single electrons communicate with each other.
Picture: In a planar trap quantum computing is envisaged by allowing single electrons communicate with each other. Detection of Quantum States, Read-Out and Manipulation is supported by using cryogenic circuitry.
- please click image to enlarge -
Ultra-stable voltage sources and Cryo Electronics for operation down and below 4.2K are important elements here. Ultra highly stable voltage sources on the 10-7-level help to achieve a long coherence time for quantum states, whereas cryogenic amplifiers, down converters, and Q-switches provide the accessibility into a cryogenic environment, which is usually difficult to access. Electronics currently under development comprise Gallium-Arsenide (GaAs) based technology (filters, mixers, amplifiers) as well as SiGe, heterostructure BJT's.
Literature (please click title for online abstract)

S. Stahl, F. Galve, J. Alonso, S. Djekic, W. Quint, T. Valenzuela, J. Verdú, M. Vogel and G. Werth,  A planar Penning trap, Eur. Phys. J. D 32, 139-146 (2005)

S. Stahl, J. Alonso, S. Djekic, H.-J. Kluge, W. Quint, J. Verdú, M. Vogel and G. Werth,  Phase-sensitive measurement of trapped particle motions, J. Phys. B: At. Mol. Opt. Phys. 38 (2005) 297-304

M. Vogel, J. Alonso, S. Djekic, H.-J. Kluge, W. Quint, S. Stahl, J. Verdú and G. Werth,  Towards electronic g-factor measurements in medium-heavy hydrogenlike and lithiumlike ions, Nucl. Inst. Meth. B 235 (2005) 7
 
Main Collaborations of QUELE
Johannes Gutenberg University Mainz, Department of Physics Quanteninformationsverarbeitung, University of Ulm Scuola di Scienze e Tecnologie, Università di Camerino

 
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