3 papers
quant-ph2026
Realisation of a Protected Cat-Qutrit Manifold via Engineered Quantum Tunnelling
Sangil Kwon, Daisuke Hoshi, Toshiaki Nagase +8
Engineering quantum tunnelling in phase space has emerged as a viable method for creating a protected logical qubit manifold with biased-noise properties. A promising approach is t…
quant-ph2024
Entangling Schrödinger's cat states by bridging discrete- and continuous-variable encoding
Daisuke Hoshi, Toshiaki Nagase, Sangil Kwon +9
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 continuo…
quant-ph2023
Observation and manipulation of quantum interference in a superconducting Kerr parametric oscillator
Daisuke Iyama, Takahiko Kamiya, Shiori Fujii +9
Quantum tunneling is the phenomenon that makes superconducting circuits "quantum". Recently, there has been a renewed interest in using quantum tunneling in phase space of a Kerr p…