Advances in bosonic quantum error correction with Gottesman–Kitaev–Preskill Codes: Theory, engineering and applications

AJ Brady, A Eickbusch, S Singh, J Wu… - Progress in Quantum …, 2024 - Elsevier
Encoding quantum information into a set of harmonic oscillators is considered a hardware
efficient approach to mitigate noise for reliable quantum information processing. Various …

High-fidelity parametric beamsplitting with a parity-protected converter

Y Lu, A Maiti, JWO Garmon, S Ganjam, Y Zhang… - nature …, 2023 - nature.com
Fast, high-fidelity operations between microwave resonators are an important tool for
bosonic quantum computation and simulation with superconducting circuits. An attractive …

Heisenberg-limited quantum metrology using 100-photon Fock states

X Deng, S Li, ZJ Chen, Z Ni, Y Cai, J Mai… - arxiv preprint arxiv …, 2023 - arxiv.org
Quantum metrology has emerged as a promising avenue for surpassing the limitations of
classical mechanics in high-precision measurements. However, the practical …

Strategies and Trade-Offs for Controllability and Memory Time of Ultra-High-Quality Microwave Cavities in Circuit Quantum Electrodynamics

I Pietikäinen, O Černotík, A Eickbusch, A Maiti… - PRX Quantum, 2024 - APS
Three-dimensional microwave cavity resonators have been shown to reach lifetimes of the
order of a second by maximizing the cavity volume relative to its surface, using better …

Stimulated emission of signal photons from dark matter waves

A Agrawal, AV Dixit, T Roy, S Chakram, K He, RK Naik… - Physical review …, 2024 - APS
The manipulation of quantum states of light has resulted in significant advancements in both
dark matter searches and gravitational wave detectors. Current dark matter searches …

Autoparametric resonance extending the bit-flip time of a cat qubit up to 0.3 s

A Marquet, A Essig, J Cohen, N Cottet, A Murani… - Physical Review X, 2024 - APS
Cat qubits, for which logical| 0⟩ and| 1⟩ are coherent states|±α⟩ of a harmonic mode, offer
a promising route towards quantum error correction. Using dissipation to our advantage so …

Hetarch: Heterogeneous microarchitectures for superconducting quantum systems

S Stein, S Sussman, T Tomesh, C Guinn… - Proceedings of the 56th …, 2023 - dl.acm.org
Noisy Intermediate-Scale Quantum Computing (NISQ) has dominated headlines in recent
years, with the longer-term vision of Fault-Tolerant Quantum Computation (FTQC) offering …

Autonomous Stabilization of Fock States in an Oscillator against Multiphoton Losses

S Li, Z Ni, L Zhang, Y Cai, J Mai, S Wen, P Zheng… - Physical Review Letters, 2024 - APS
Fock states with a well-defined number of photons in an oscillator have shown a wide range
of applications in quantum information science. Nonetheless, their usefulness has been …

Quantum memory: A missing piece in quantum computing units

C Liu, M Wang, SA Stein, Y Ding, A Li - arxiv preprint arxiv:2309.14432, 2023 - arxiv.org
Memory is an indispensable component in classical computing systems. While the
development of quantum computing is still in its early stages, current quantum processing …

Robust suppression of noise propagation in Gottesman-Kitaev-Preskill error correction

C Siegele, P Campagne-Ibarcq - Physical Review A, 2023 - APS
Straightforward logical operations contrasting with complex state preparation are the
hallmarks of the bosonic encoding proposed by Gottesman, Kitaev, and Preskill (GKP). The …