Propagating quantum microwaves: towards applications in communication and sensing
The field of propagating quantum microwaves is a relatively new area of research that is
receiving increased attention due to its promising technological applications, both in …
receiving increased attention due to its promising technological applications, both in …
Generation of cat states by a weak parametric drive and a transitionless tracking algorithm
In this paper, we present an experimentally feasible protocol to generate the cat states in the
microwave resonator coupled to a superconducting qubit. The setup employs a detuned …
microwave resonator coupled to a superconducting qubit. The setup employs a detuned …
Photon-number resolution with microwave Josephson photomultipliers
We study counting photons confined in a mode of a microwave resonator via repeated
measurements by a Josephson photomultiplier (JPM). The considered JPM is essentially a …
measurements by a Josephson photomultiplier (JPM). The considered JPM is essentially a …
Overcoming decoherence of schrödinger cat states formed in a cavity using squeezed-state inputs
A cat state is a superposition of two coherent states with amplitudes α 0 and− α 0. Recent
experiments create cat states in a microwave cavity field using superconducting circuits. As …
experiments create cat states in a microwave cavity field using superconducting circuits. As …
Robust generation of a magnonic cat state via a superconducting flux qubit
We study the hybrid system of a high-quality yttrium-iron-garnet (YIG) sphere magnetically
coupled to a superconducting flux qubit via the magnetic fields created by two persistent …
coupled to a superconducting flux qubit via the magnetic fields created by two persistent …
Quantum tetrachotomous states: Superposition of four coherent states on a line in phase space
The well-studied quantum optical Schrödinger cat state is a superposition of two
distinguishable states, with quantum coherence between these macroscopically …
distinguishable states, with quantum coherence between these macroscopically …
Generation of Schrödinger Cat States in a Hybrid Cavity Optomechanical System
X An, T Deng, L Chen, S Ye, Z Zhong - Entropy, 2022 - mdpi.com
We present an alternative scheme to achieve Schrödinger cat states in a strong coupling
hybrid cavity optomechanical system. Under the single-photon strong-coupling regime, the …
hybrid cavity optomechanical system. Under the single-photon strong-coupling regime, the …
Dissipative generation of steady-state squeezing of superconducting resonators via parametric driving
A dissipative method is proposed for generating the squeezed state of a microwave field in a
superconducting transmission line resonator, which is coupled to a superconducting qubit …
superconducting transmission line resonator, which is coupled to a superconducting qubit …
Generating a Squeezed‐Coherent‐Cat State in a Double‐Cavity Optomechanical System
SL Chao, B Xiong, L Zhou - Annalen der Physik, 2019 - Wiley Online Library
A squeezed‐coherent‐cat state (SCCS) in a mechanical system not only plays an important
role for macroscopic quantum coherence, but also can be a carrier for quantum information …
role for macroscopic quantum coherence, but also can be a carrier for quantum information …
Error Correction Using Squeezed Fock States
SB Korolev, EN Bashmakova, TY Golubeva - arXiv preprint arXiv …, 2023 - arxiv.org
The paper addresses the construction an error correction code for quantum calculations
based on squeezed Fock states. It is shown that the use of squeezed Fock states makes it …
based on squeezed Fock states. It is shown that the use of squeezed Fock states makes it …