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QUDORA-led NFQC-1k aims for 1,000 physical and 50 logical qubits in €122M, five-year plan

The German Federal Ministry of Research, Technology and Space (BMFTR) has selected “NFQC-1k,” a consortium of seven organizations led by QUDORA, as a target project in its quantum computing competition. The project adopts a trapped-ion approach and aims to develop a fault-tolerant quantum computerFTQC / Fault-Tolerant Quantum Computing / FTQCA method for future large-scale quantum computing that uses quantum error correction to allow correct computation to continue even when physical errors occur.QI NoteA demonstration of quantum error correction is not the same as realizing FTQC. Logical error rates, the number of physical qubits required, logical gate performance, and so on are important. demonstrator with more than 1,000 physical qubitsPhysical Qubit / Physical QubitIndividual qubits that are physically created and manipulated on a quantum processor. They are also used to form logical qubits.QI NoteA large number of physical qubits does not by itself indicate practical computational capability. Error rates, connectivity, and the number of physical qubits required per logical qubit are also important. and at least 50 logical qubitsLogical Qubit / Logical QubitA unit of information treated as a single qubit protected from errors by using multiple physical qubits and quantum error correction.QI NoteSimply having “created a logical qubit” does not necessarily mean fault-tolerant quantum computing (FTQC) has been achieved. One should verify logical error rates, operational/gate performance, and scalability..

✍️ Quantum Index Analysis
We explain the technical and commercial significance behind the announcement and the evaluation points that are hard to see from numbers and headlines alone. Read our exclusive analysis ↓

Overview

The total project size for NFQC-1k is about €122 million, with funding provided for up to five years. Based on QUDORA’s Near Field Quantum Control (NFQC) technology, the project plans to integrate over 1,000 individually controllable physical qubits and target a logical gate error rate below 0.01%. Performance will be verified using the quantum Fourier transform (QFT).

In addition to QUDORA, the consortium includes Technische Universität Braunschweig, Leibniz University Hannover, the German Institute for Applied Physics, NXP Semiconductors Germany, Forschungszentrum Jülich, and AQT Germany. QUDORA will lead overall system development and integration, and will build a high-performance QPUQuantum Processor / Quantum Processor / Quantum Processing Unit / QPUThe central part of the hardware that houses qubits and performs quantum computational operations such as quantum gates and measurements.QI NoteThe performance of a QPU cannot be judged by the number of qubits alone. Gate fidelity, connectivity, speed, error rates, and other factors must be considered together. pilot line in parallel with the demonstrator.

The project is part of the German government’s plan to establish at least two fault-tolerant quantum computers at Europe-leading levels by 2030. At present, the proposal has passed the outline-proposal stage; the consortium will submit a formal application next to move into concrete implementation.

Key points

  • The total project size is about €122 million, with funding for up to five years.
  • Target specifications: more than 1,000 physical qubits, at least 50 logical qubits, and logical gate error rates below 0.01%.
  • The project uses a trapped-ion approach based on QUDORA’s NFQC technology.
  • Performance of the demonstrator will be verified using the quantum Fourier transform, and a QPU pilot line will be built in parallel.
  • The proposal has passed the outline stage; a formal application and move to implementation are next.

Technical and business significance

NFQC-1k targets not only an increase in the number of physical qubits but also the formation of logical qubits via error correction and a low logical gate error rate. This places emphasis on system design that can stably control and integrate a large number of qubitsQubit / Quantum Bit / QubitThe basic unit of information in a quantum computer. It can represent not only 0 or 1 but also a quantum state that is a superposition of them.QI NoteHaving more qubits does not necessarily mean higher performance. Error rates, connectivity, coherence time, and the number of logical qubits are also important.. On the business side, including a QPU pilot line alongside the demonstrator extends the development scope to building a manufacturing base for trapped-ion processors. However, the timetable for commercialization, expected production volume, and the allocation of funds among participating organizations have not been disclosed.

What to watch going forward

First, attention will focus on how concretely the project scope and funding allocation are defined after the formal application. On the technical side, key milestones will be integrating 1,000 physical qubits and 50 logical qubits, achieving logical gate error rates below 0.01%, and demonstrating performance via QFT. In addition, any information on the QPU pilot line’s operational status and manufacturing capacity will be important for assessing future commercial use.

✍️ Quantum Index Analysis

The gap between the announced goals and the current state of development is considerable.

QUDORA is currently developing the 50-physical-qubitQubit / Quantum Bit / QubitThe basic unit of information in a quantum computer. It can represent not only 0 or 1 but also a quantum state that is a superposition of them.QI NoteHaving more qubits does not necessarily mean higher performance. Error rates, connectivity, coherence time, and the number of logical qubits are also important. XAPHIRO for DLR, and publicly available information indicates it has not yet delivered a completed 50-physical-qubit system externally. Reaching more than 1,000 physical qubitsPhysical Qubit / Physical QubitIndividual qubits that are physically created and manipulated on a quantum processor. They are also used to form logical qubits.QI NoteA large number of physical qubits does not by itself indicate practical computational capability. Error rates, connectivity, and the number of physical qubits required per logical qubit are also important., 50 logical qubitsLogical Qubit / Logical QubitA unit of information treated as a single qubit protected from errors by using multiple physical qubits and quantum error correction.QI NoteSimply having “created a logical qubit” does not necessarily mean fault-tolerant quantum computing (FTQC) has been achieved. One should verify logical error rates, operational/gate performance, and scalability., and a logical gate error rate below 0.01% within at most five years will require a substantial technological leap.

Moreover, the roughly €122 million is the total budget for the seven-organization project, not an investment to QUDORA alone. Because the scope includes both a demonstrator and a QPUQuantum Processor / Quantum Processor / Quantum Processing Unit / QPUThe central part of the hardware that houses qubits and performs quantum computational operations such as quantum gates and measurements.QI NoteThe performance of a QPU cannot be judged by the number of qubits alone. Gate fidelity, connectivity, speed, error rates, and other factors must be considered together. pilot line, the budget will need to cover hardware development, error correction, system integration, and building a manufacturing base in parallel. Even assuming existing facilities and the technical assets of participating organizations are leveraged, significant uncertainty remains about the plan’s overall feasibility.

That said, QUDORA does have accumulated experience with XAPHIRO and NFQC technology, and the involvement of players such as NXP and AQT lends the effort weight. However, what has been presented so far are future targets, not demonstrated system-level performance that already validates 1,000 physical qubits or 50 logical qubits.

The first thing to verify is whether the predecessor XAPHIRO is completed as a 50-qubit system and what gate fidelities and operational performance it can demonstrate. Those results will be the initial evidence for evaluating the realism of a roadmap toward 1,000 physical qubits and then 50 logical qubits.

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