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We propose an alternative scheme to implement the quantum state transfer between two three-level atoms based on the invariant-based inverse engineering in cavity quantum electronic dynamics (QED) system. The quantum information can be…

Quantum Physics · Physics 2013-05-24 Mei Lu , Li-Tuo Shen , Yan Xia , Jie Song

We describe a quantum state transfer protocol, where a quantum state of photons stored in a first cavity can be faithfully transferred to a second distant cavity via an infinite 1D waveguide, while being immune to arbitrary noise (e.g.…

Quantum Physics · Physics 2017-03-29 Benoît Vermersch , Pierre-Olivier Guimond , Hannes Pichler , Peter Zoller

We propose an optical model in which both quantum and quasi-classical states can be ideally stored using coupled resonators. The protocol is based on a time-dependent coupling between two cavities, carefully modulated to allow the complete…

In contrast to free space, in waveguides the dispersive and dissipative dipole-dipole interactions among quantum emitters exhibit a periodic behavior over remarkably long distances. We propose a novel setup exploiting this long-range…

Quantum Physics · Physics 2025-05-09 Martin Fasser , Laurin Ostermann , Helmut Ritsch , Christoph Hotter

We propose a protocol for quantum networking based on deterministic quantum state transfer between distant memory nodes using photon-number superposition states (PNSS). In the suggested scheme, the quantum nodes are single atoms confined in…

Quantum Physics · Physics 2018-11-14 Anahit Gogyan , Yuri Malakyan

Quantum states can be stabilized in the presence of intrinsic and environmental losses by either applying active feedback conditioned on an ancillary system or through reservoir engineering. Reservoir engineering maintains a desired quantum…

We propose and experimentally demonstrate a new method to generate arbitrary Fock-state superpositions in a superconducting quantum circuit, where a qubit is dispersively coupled to a microwave cavity mode without the need of fine-frequency…

Quantum Physics · Physics 2017-06-09 W. Wang , L. Hu , Y. Xu , K. Liu , Y. Ma , Shi-Biao Zheng , R. Vijay , Y. P. Song , L. -M. Duan , L. Sun

In continuous-variable quantum information, non-Gaussian entangled states that are obtained from Gaussian entangled states via photon subtraction are known to contain more entanglement. This makes them better resources for quantum…

Quantum Physics · Physics 2015-08-25 Kaushik P. Seshadreesan , Jonathan P. Dowling , Girish S. Agarwal

As the current revolution in communication is underway, quantum teleportation can increase the level of security in quantum communication applications. In this paper, we present a quantum teleportation procedure that capable to teleport…

Quantum Physics · Physics 2015-09-30 Alaa Sagheer , Hala Hamdoun

We analyze a method for the creation, storage and retrieval of optomechanical Schrodinger cat states, in which there is a quantum superposition of two distinct macroscopic states of a mechanical oscillator. In the proposal, an optical cat…

Quantum Physics · Physics 2018-12-12 R. Y. Teh , S. Kiesewetter , P. D. Drummond , M. D. Reid

We propose and analyze a setup to tailor the wave functions of the quantum states. Our setup is based on the quantum teleportation circuit, but instead of the usual two-mode squeezed state, two-mode non-Gaussian entangled state is used.…

Quantum Physics · Physics 2021-04-06 Warit Asavanant , Kan Takase , Kosuke Fukui , Mamoru Endo , Jun-ichi Yoshikawa , Akira Furusawa

Quantum teleportation can transfer an unknown quantum state between distant quantum nodes, which holds great promise in enabling large-scale quantum networks. To advance the full potential of quantum teleportation, quantum states must be…

We propose to use cavity Rydberg electromagnetically induced transparency to generate Schr\"odinger cat states of optical photons. We predict that this should make it possible to generate states with relatively large mean photon numbers.…

Quantum Physics · Physics 2026-01-08 Hendrik Hegels , Thomas Stolz , Gerhard Rempe , Stephan Dürr

Quantum networks using photonic channels require control of the interactions between the photons, carrying the information, and the elements comprising the nodes. In this work we theoretically analyse the spectral properties of an optical…

Quantum Physics · Physics 2021-12-23 Tom Schmit , Luigi Giannelli , Anders S. Sørensen , Giovanna Morigi

We find that the phase-space representation of the electromagnetic field inside a driven cavity strongly coupled to a two-level atom can be employed to distinguish photon emissions along a ladder of dressed states sustaining a two-photon…

Quantum Physics · Physics 2022-12-23 Th. K. Mavrogordatos

We consider a unitary transfer of an arbitrary state of a two-level atomic qubit in a cavity to the finite amplitude coherent state cavity field. Such transfer can be used to either provide an effective readout measurement on the atom by a…

Quantum Physics · Physics 2013-05-29 Ricardo Kennedy , Leonhard Horstmeyer , Andrzej Dragan , Terry Rudolph

We show that injecting a light pulse prepared in the Shroedinger cat quantum state into the dark port of a two-arm interferometer and the strong classical light into the bright one, it is possible, in principle, to detect a given phase…

Quantum Physics · Physics 2024-05-29 V. L. Gorshenin

Multi-qubit quantum Rabi model, which is a fundamental model describing light-matter interaction, plays an important role in various physical systems. In this paper, we propose a theoretical method to simulate multi-qubit quantum Rabi model…

Quantum Physics · Physics 2019-02-27 Jialun Li , Gangcheng Wang , Ruoqi Xiao , Chunfang Sun , Chunfeng Wu , Kang Xue

We consider the quantum state control of a multi-state system which evolves an initial state into a target state. We explicitly demonstrate the control method in an interesting case involving the transfer and rotation of a Schr\"{o}dinger…

Quantum Physics · Physics 2023-11-03 Zara Yu , Da-Wei Luo

Josephson junctions have been shown to be a promising solid-state system for implementation of quantum computation. The significant two-qubit gates are generally realized by the capacitive coupling between the nearest neighbour qubits. We…

Quantum Physics · Physics 2009-11-10 Shi-Liang Zhu , Z. D. Wang , Kaiyu Yang