Shuttling-Based Trapped-Ion Quantum Information Processing

Kaushal, V.; Lekitsch, Bjoern; Stahl, A.; Hilder, Janine; Pijn, D. R. M.; Schmiegelow, Christian Tomás; Bermúdez, A.; Müller, Markus; Schmidt‐Kaler, F.; Poschinger, Ulrich

doi:10.48550/arxiv.1912.04712

Cited by 2 publications

(1 citation statement)

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“…Both cases require at least one quantum state transfer, which implies the need of technologies capable of implementing a network of quantum-coherent links between the chips. Currently, multiple communication technologies are under investigation for quantum state transfer at the chip scale, namely: • Ion shuttling [17]: is specifically employed in ion-trapped platforms where electromagnetic fields are used to physically transport ions across a chip space deliberately left vacant of qubits, to place them in physical proximity and enable their interaction. • Quantum teleportation [27]: is based on the transfer of state mediated by strongly correlated particle pairs (normally photons) that are sent to the transmitter and receiver.…”

Section: Horizontal Communicationmentioning

confidence: 99%

Interconnect Fabrics for Multi-Core Quantum Processors

Escofet,

Rached,

Rodrigo

et al. 2023

Proceedings of the 16th International Workshop on Network on Chip Architectures

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Quantum computing has revolutionized the field of computer science with its extraordinary ability to handle classically intractable problems. To realize its potential, however, quantum computers need to scale to millions of qubits, a feat that will require addressing fascinating yet extremely challenging interconnection problems. In this paper, we provide a context analysis of the nascent quantum computing field from the perspective of communications, with the aim of encouraging the on-chip networks community to contribute and pave the way for truly scalable quantum computers in the decades to come. CCS CONCEPTS• Hardware → Quantum computation; Interconnect; • Computer systems organization → Multicore architectures; • Networks → Network on chip.

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Section: Horizontal Communicationmentioning

confidence: 99%

Interconnect Fabrics for Multi-Core Quantum Processors

Escofet,

Rached,

Rodrigo

et al. 2023

Proceedings of the 16th International Workshop on Network on Chip Architectures

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Mitigating controller noise in quantum gates using optimal control theory

Aroch,

Kosloff,

Kallush

2024

Quantum

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All quantum systems are subject to noise from the environment or external controls. This noise is a major obstacle to the realization of quantum technology. For example, noise limits the fidelity of quantum gates. Employing optimal control theory, we study the generation of quantum single and two-qubit gates. Specifically, we explore a Markovian model of phase and amplitude noise, leading to the degradation of the gate fidelity. We show that optimal control with such noise models generates control solutions to mitigate the loss of gate fidelity. The problem is formulated in Liouville space employing an extremely accurate numerical solver and the Krotov algorithm for solving the optimal control equations.

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Shuttling-Based Trapped-Ion Quantum Information Processing

Cited by 2 publications

References 0 publications

Interconnect Fabrics for Multi-Core Quantum Processors

Interconnect Fabrics for Multi-Core Quantum Processors

Mitigating controller noise in quantum gates using optimal control theory

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