Entangling Schrödinger's cat states by bridging discrete-and continuous-variable encoding
D Hoshi, T Nagase, S Kwon, D Iyama, T Kamiya… - Nature …, 2025 - nature.com
In quantum information processing, two primary research directions have emerged: one
based on discrete variables (DV) and the other on the structure of quantum states in a …
based on discrete variables (DV) and the other on the structure of quantum states in a …
Entangling Schr\" odinger's cat states by seeding a Bell state or swap** the cats
D Hoshi, T Nagase, S Kwon, D Iyama, T Kamiya… - arxiv preprint arxiv …, 2024 - arxiv.org
In quantum information processing, two primary research directions have emerged: one
based on discrete variables (DV) and the other on the structure of quantum states in a …
based on discrete variables (DV) and the other on the structure of quantum states in a …
[HTML][HTML] Residual-ZZ-coupling suppression and fast two-qubit gate for Kerr-cat qubits based on level-degeneracy engineering
Building large-scale quantum computers requires an interqubit-coupling scheme with a high
on–off ratio to avoid unwanted crosstalk coming from residual coupling and to enable fast …
on–off ratio to avoid unwanted crosstalk coming from residual coupling and to enable fast …
Engineering the Nonlinearity of Bosonic Modes with a Multi-loop SQUID
Engineering high-order nonlinearities while suppressing lower-order terms is crucial for
quantum error correction and state control in bosonic systems, yet it remains an outstanding …
quantum error correction and state control in bosonic systems, yet it remains an outstanding …
A Linear Quantum Coupler for Clean Bosonic Control
Quantum computing with superconducting circuits relies on high-fidelity driven nonlinear
processes. An ideal quantum nonlinearity would selectively activate desired coherent …
processes. An ideal quantum nonlinearity would selectively activate desired coherent …
Unraveling the switching dynamics in a quantum double-well potential
The spontaneous switching of a quantum particle between the wells of a double-well
potential is a phenomenon of general interest to physics and chemistry. It was broadly …
potential is a phenomenon of general interest to physics and chemistry. It was broadly …
Stabilizing the Kerr arbitrary cat states and holonomic universal control
K Yu, F Zhu, J Xue, H Li - arxiv preprint arxiv:2406.13390, 2024 - arxiv.org
The interference-free double potential wells realized by the two-photon driving Kerr
nonlinear resonator (KNR) can stabilize cat states and protect them from decoherence …
nonlinear resonator (KNR) can stabilize cat states and protect them from decoherence …