Technology and Performance Benchmarks of IQM's 20-Qubit Quantum Computer

• URL: http://arxiv.org/abs/2408.12433v1
• Date: Thu, 22 Aug 2024 14:26:10 GMT
• Title: Technology and Performance Benchmarks of IQM's 20-Qubit Quantum Computer
• Authors: Leonid Abdurakhimov, Janos Adam, Hasnain Ahmad, Olli Ahonen, Manuel Algaba, Guillermo Alonso, Ville Bergholm, Rohit Beriwal, Matthias Beuerle, Clinton Bockstiegel, Alessio Calzona, Chun Fai Chan, Daniele Cucurachi, Saga Dahl, Rakhim Davletkaliyev, Olexiy Fedorets, Alejandro Gomez Frieiro, Zheming Gao, Johan Guldmyr, Andrew Guthrie, Juha Hassel, Hermanni Heimonen, Johannes Heinsoo, Tuukka Hiltunen, Keiran Holland, Juho Hotari, Hao Hsu, Antti Huhtala, Eric Hyyppä, Aleksi Hämäläinen, Joni Ikonen, Sinan Inel, David Janzso, Teemu Jaakkola, Mate Jenei, Shan Jolin, Kristinn Juliusson, Jaakko Jussila, Shabeeb Khalid, Seung-Goo Kim, Miikka Koistinen, Roope Kokkoniemi, Anton Komlev, Caspar Ockeloen-Korppi, Otto Koskinen, Janne Kotilahti, Toivo Kuisma, Vladimir Kukushkin, Kari Kumpulainen, Ilari Kuronen, Joonas Kylmälä, Niclas Lamponen, Julia Lamprich, Alessandro Landra, Martin Leib, Tianyi Li, Per Liebermann, Aleksi Lintunen, Wei Liu, Jürgen Luus, Fabian Marxer, Arianne Meijer-van de Griend, Kunal Mitra, Jalil Khatibi Moqadam, Jakub Mrożek, Henrikki Mäkynen, Janne Mäntylä, Tiina Naaranoja, Francesco Nappi, Janne Niemi, Lucas Ortega, Mario Palma, Miha Papič, Matti Partanen, Jari Penttilä, Alexander Plyushch, Wei Qiu, Aniket Rath, Kari Repo, Tomi Riipinen, Jussi Ritvas, Pedro Figueroa Romero, Jarkko Ruoho, Jukka Räbinä, Sampo Saarinen, Indrajeet Sagar, Hayk Sargsyan, Matthew Sarsby, Niko Savola, Mykhailo Savytskyi, Ville Selinmaa, Pavel Smirnov, Marco Marín Suárez, Linus Sundström, Sandra Słupińska, Eelis Takala, Ivan Takmakov, Brian Tarasinski, Manish Thapa, Jukka Tiainen, Francesca Tosto, Jani Tuorila, Carlos Valenzuela, David Vasey, Edwin Vehmaanperä, Antti Vepsäläinen, Aapo Vienamo, Panu Vesanen, Alpo Välimaa, Jaap Wesdorp, Nicola Wurz, Elisabeth Wybo, Lily Yang, Ali Yurtalan,
• Abstract summary: IQM Quantum Computers is described covering both the QPU and the rest of the full-stack quantum computer. The focus is on a 20-qubit quantum computer featuring the Garnet QPU and its architecture, which we will scale up to 150 qubits. We present QPU and system-level benchmarks, including a median 2-qubit gate fidelity of 99.5% and genuinely entangling all 20 qubits in a Greenberger-Horne-Zeilinger (GHZ) state.
• Score: 56.435136806763055
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Quantum computing has tremendous potential to overcome some of the fundamental limitations present in classical information processing. Yet, today's technological limitations in the quality and scaling prevent exploiting its full potential. Quantum computing based on superconducting quantum processing units (QPUs) is among the most promising approaches towards practical quantum advantage. In this article the basic technological approach of IQM Quantum Computers is described covering both the QPU and the rest of the full-stack quantum computer. In particular, the focus is on a 20-qubit quantum computer featuring the Garnet QPU and its architecture, which we will scale up to 150 qubits. We also present QPU and system-level benchmarks, including a median 2-qubit gate fidelity of 99.5% and genuinely entangling all 20 qubits in a Greenberger-Horne-Zeilinger (GHZ) state.

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