KIT-IQMT team
The Karlsruhe Institute of Technology (KIT) was established in 2009 through the merger of Forschungszentrum Karlsruhe (founded in 1956) and Universität Karlsruhe (founded in 1825). KIT is one of the largest research and education institutions in Europe with more than 9.000 employees and an annual budget of almost 1 billion EUR.
The KIT-IQMT group led by Dr. Ioan Pop belongs to the Institute of Quantum Materials and Technologies (IQMT). The team benefits from state of the art infrastructures, as required to meet the ambitious goals of the GeQCos project. For circuit fabrication the team will use cleanroom facilities provided by the Nanostructure Service Laboratory (NSL) as well as by the Institute of Microstructure Technology (IMT), both at KIT. These facilities rely and benefit from skilled scientists and technicians who operate equipment such as the electron beam pattern generators, electron microscopes, the direct laser writer and wafer dicer. The KIT-IQMT team disposes of several dilution refrigerators equipped with radio-frequency measurement setups, shielding and filtering for superconducting circuits characterization.
Main tasks in the project
Within GeQCos, KIT-IQMT will develop generalized flux (gFlux) qubits as an alternative to conventional transmon qubits, with the goal of providing higher anharmonicity and coherence. The KIT-IQMT team will also explore novel materials for qubit design, such as granular Aluminum films with high kinetic inductance, and novel qubit readout techniques. Together with the our GeQCos partners, we will evaluate the performance of gFlux circuits and consider them for replacing or complementing transmons in the final multi-qubit prototype. In the accomplishment of these tasks we will explore and encourage synergies with other ongoing projects in the group, such as the FET-OPEN project “AVAQUS” or the QUANTERA projects “SiUCs” and “QuCos”.
Principal investigators in the KIT-IQMT team:
Dr. Ioan Pop was born in 1983 in Transylvania (Romania) and graduated with a major in Physics at Babes-Bolyai University. He defended his PhD in 2011 in University of Grenoble, France, and he received the Nanoscience Foundation PhD Thesis Prize in 2012. From 2011 to 2015, Dr. Pop was a postdoctoral associate at Yale University, USA, in the group of Prof. Michel Devoret. Currently he is a principal investigator at KIT, since 2015 when he was granted a Sofja Kovalevskaja Startup Award from the Humboldt Foundation. Since 2008, he has published 40 publications in peer reviewed journals, accumulating 1300 citations, and an h-index of 18 (source: Web of Science, April 2021). Ioan Pop's research activity focuses on quantum superconducting microelectronic circuits, towards the goal of implementing coherent quantum information processing.
Dr. Thomas Reisinger, is a permanent research scientist at the KIT (at the KIT since 2012). He received a M.Sc. degree in Physics from the Technical University of Graz, Austria, and a B.Eng. degree in Computer Science from the University of Edinburgh, Scotland. He was awarded his Ph.D. in Nanophysics at the University of Bergen (UiB), Norway, in 2011. The thesis was supervised by Prof. Bodil Holst at UiB and Prof. Henry I. Smith at the Massachusetts Institute of Technology (MIT), with part of the thesis work carried out at MIT’s Nanostructures Lab. He has pursued his habilitation on cluster-assembled materials as a post-doctoral researcher in the group of Prof. Horst Hahn at KIT’s Institute of Nanotechnology and has recently joined the group of Dr. Ioan Pop. His research interests include nanocomposite and superconducting materials, nanofabrication and quantum-sensing in matter-wave interference experiments. His current research focus is on materials loss mitigation in superconducting circuits. He has published 19 papers (Researcher ID: J-8590-2012).
