activity
20072024
most citedLong-distance transmon coupler with CZ gate fidelity above

72 citations · 117 across the 6 of their papers we have counts for

collaborators

6 papers

quant-ph2024★ 3 cited

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

Leonid Abdurakhimov, Janos Adam, Hasnain Ahmad +111

Quantum computing has tremendous potential to overcome some of the fundamental limitations present in classical information processing. Yet, today's technological limitations in th…

quant-ph2024★ 15 cited

On-Premises Superconducting Quantum Computer for Education and Research

Jami Rönkkö, Olli Ahonen, Ville Bergholm +13

With a growing interest in quantum technology globally, there is an increasing need for accessing relevant physical systems for education and research. In this paper we introduce a…

quant-ph2022★ 72 cited

Long-distance transmon coupler with CZ gate fidelity above

Fabian Marxer, Antti Vepsäläinen, Shan W. Jolin +36

Tunable coupling of superconducting qubits has been widely studied due to its importance for isolated gate operations in scalable quantum processor architectures. Here, we demonstr…

quant-ph2009

Entanglement-Enhanced Quantum Key Distribution

Olli Ahonen

Quantum key distribution (QKD) allows two spatially separated parties to securely generate a cryptographic key. The first QKD protocol, published by C. H. Bennett and G. Brassard i…

quant-ph2007★ 1 cited

Quantum Cryptography Protocol Based on Sending Entangled Qubit Pairs

Olli Ahonen

The quantum key distribution protocol BB84, published by C. H. Bennett and G. Brassard in 1984, describes how two spatially separated parties can generate a random bit string fully…

quant-ph2007★ 26 cited

Entanglement-Enhanced Quantum Key Distribution

Olli Ahonen, Mikko Mottonen, Jeremy L. O'Brien

We present and analyze a quantum key distribution protocol based on sending entangled N-qubit states instead of single-qubit ones as in the trail-blazing scheme by Bennett and Bras…