The future of quantum computing with superconducting qubits
For the first time in history, we are seeing a branching point in computing paradigms with the
emergence of quantum processing units (QPUs). Extracting the full potential of computation …
emergence of quantum processing units (QPUs). Extracting the full potential of computation …
Doubling the size of quantum simulators by entanglement forging
Quantum computers are promising for simulations of chemical and physical systems, but the
limited capabilities of today's quantum processors permit only small, and often approximate …
limited capabilities of today's quantum processors permit only small, and often approximate …
Circuit knitting with classical communication
The scarcity of qubits is a major obstacle to the practical usage of quantum computers in the
near future. To circumvent this problem, various circuit knitting techniques have been …
near future. To circumvent this problem, various circuit knitting techniques have been …
Fast quantum circuit cutting with randomized measurements
We propose a new method to extend the size of a quantum computation beyond the number
of physical qubits available on a single device. This is accomplished by randomly inserting …
of physical qubits available on a single device. This is accomplished by randomly inserting …
Optimal quantum circuit cuts with application to clustered Hamiltonian simulation
We study methods to replace entangling operations with random local operations in a
quantum computation, at the cost of increasing the number of required executions. First, we …
quantum computation, at the cost of increasing the number of required executions. First, we …
ARQUIN: architectures for multinode superconducting quantum computers
Many proposals to scale quantum technology rely on modular or distributed designs
wherein individual quantum processors, called nodes, are linked together to form one large …
wherein individual quantum processors, called nodes, are linked together to form one large …
Quantum error mitigation as a universal error reduction technique: Applications from the NISQ to the fault-tolerant quantum computing eras
In the early years of fault-tolerant quantum computing (FTQC), it is expected that the
available code distance and the number of magic states will be restricted due to the limited …
available code distance and the number of magic states will be restricted due to the limited …
Combining quantum processors with real-time classical communication
Quantum computers process information with the laws of quantum mechanics. Current
quantum hardware is noisy, can only store information for a short time and is limited to a few …
quantum hardware is noisy, can only store information for a short time and is limited to a few …
Overhead-constrained circuit knitting for variational quantum dynamics
Simulating the dynamics of large quantum systems is a formidable yet vital pursuit for
obtaining a deeper understanding of quantum mechanical phenomena. While quantum …
obtaining a deeper understanding of quantum mechanical phenomena. While quantum …
Deep variational quantum eigensolver: a divide-and-conquer method for solving a larger problem with smaller size quantum computers
We propose a divide-and-conquer method for the quantum-classical hybrid algorithm to
solve larger problems with small-scale quantum computers. Specifically, we concatenate a …
solve larger problems with small-scale quantum computers. Specifically, we concatenate a …