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Related papers: Atomtronic protocol designs for NOON states

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We present a method for preparing various exotic modifications of Schr{\"o}dinger cat states by coupling a semiclassical oscillator to a system of qubits. Varying the number of qubits and parameters of the protocol (involving quantum quench…

Quantum Physics · Physics 2026-04-01 Pavel Stránský , Pavel Cejnar

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

We describe a scheme for producing an optical nonlinearity using an interaction with one or more ancilla two-level atomic systems. The nonlinearity, which can be implemented using high efficiency fluorescence shelving measurements, together…

Quantum Physics · Physics 2007-05-23 Alexei Gilchrist , G. J. Milburn , W. J. Munro , Kae Nemoto

We propose a linear optical scheme that can conditionally generate high NOON states using polarization modes. This scheme provides advantages over the previous proposals on path-entangled NOON states in view of success probability or…

Quantum Physics · Physics 2015-06-03 Su-Yong Lee , Tomasz Paterek , Hee Su Park , Hyunchul Nha

We propose a fast and efficient technique to create classes of highly entangled states of trapped ions, such as arbitrary Dicke states and superpositions of them, e.g. NOON states. The ions are initialized in the phonon ground state and are…

Quantum Physics · Physics 2015-06-11 Svetoslav S. Ivanov , Nikolay V. Vitanov , Natalia V. Korolkova

NOON states (states of the form $|N>_{a}|0>_{b}+|0>_{a}|N>_{b}$ where $a$ and $b$ are single particle states) have been used for predicting violations of hidden-variable theories (Greenberger-Horne-Zeilinger violations) and are valuable in…

Quantum Physics · Physics 2016-08-14 W. J. Mullin \and F. Laloë

NOON states (states of the form $|N>_{a}|0>_{b}+|0>_{a}|N>_{b}$ where $a$ and $b$ are single particle states) have been used for predicting violations of local realism (Greenberger-Horne-Zeilinger violations) and are valuable in metrology…

Quantum Physics · Physics 2015-03-19 H. Cable , F. Laloë , W. J. Mullin

We provide a scheme by utilizing a two-cavity setup to generate useful quantum mechanically entangled states of two cavity fields, which themselves are prepared in Schrodinger cat states. The underlying atom-field interaction is considered…

Quantum Physics · Physics 2024-03-08 Abdul Q. Batin , Suranjana Ghosh , Utpal Roy , David Vitali

NOON states play the important roles in quantum information processings and quantum metrology, but the fidelities of these states generated previously are limited typically by the practically-unavoidable decoherence and operational…

Quantum Physics · Physics 2017-04-05 Jingwei Chen , L. F. Wei

We present a protocol for the generation of NOON states with ultracold atoms, leveraging the Bose-Hubbard model in the self-trapping regime. By the means of an optimized adiabatic protocol, we achieve a significant reduction in the time…

Quantum Gases · Physics 2025-10-27 Simon Dengis , Sandro Wimberger , Peter Schlagheck

We propose a measurement protocol to generate path-entangled NOON states conditionally from two pulsed type II optical parametric oscillators. We calculate the fidelity of the produced states and the success probability of the protocol. The…

Quantum Physics · Physics 2007-06-07 Anne E. B. Nielsen , Klaus Molmer

Nonclassical states of bosonic modes, especially the large number states, are valuable resources for quantum information processing and quantum metrology. It is however intricate to generate a desired Fock state of bosonic systems by…

Quantum Physics · Physics 2026-02-24 Chen-yi Zhang , Jun Jing

Cat states are a valuable resource for quantum metrology applications, promising to enable sensitivity down to the Heisenberg limit. Moreover, Schr\"odinger cat states, based on a coherent superposition of coherent states, show robustness…

Quantum Physics · Physics 2023-12-11 S. Zhao , M. G. Krauss , T. Bienaime , S. Whitlock , C. P. Koch , S. Qvarfort , A. Metelmann

The generation, manipulation and fundamental understanding of entanglement lies at very heart of quantum mechanics. Among various types of entangled states, the NOON states are a kind of special quantum entangled states with two orthogonal…

Quantum Physics · Physics 2014-02-03 Qi-Ping Su , Chui-Ping Yang , Shi-Biao Zheng

A single laser-cooled and trapped 9Be+ ion is used to investigate methods of coherent quantum-state synthesis and quantum logic. We create and characterize nonclassical states of motion including "Schroedinger-cat" states. A fundamental…

The spin-wave (SW) NOON state is an $N$-particle Fock state with two atomic spin-wave modes maximally entangled. Attributed to the property that the phase is sensitive to collective atomic motion, the SW NOON state can be utilized as a…

Quantum Physics · Physics 2011-06-22 Ran Wei , Bo Zhao , Youjin Deng , Yu-Ao Chen , Jian-Wei Pan

We propose a method to generate multi-mode N00N states with arrays of ultracold atoms. Our protocol requires a strong relative offset among the wells and a drive of the interparticle interaction at a frequency resonant with the offsets. The…

Quantum Gases · Physics 2020-10-28 Enrico Compagno , Guillaume Quesnel , Anna Minguzzi , Luigi Amico , Denis Feinberg

In this paper, we are interested in detecting the presence of a nearby phase-sensitive object, where traveling light works out under a low-photon loss rate. Here we investigate the optimal quantum phase estimation with generalized…

Quantum Physics · Physics 2020-07-30 Seung-Woo Lee , Su-Yong Lee , Jaewan Kim

We propose a scheme for generating atomic NOON states via adiabatic passage. In the scheme, a double $\Lambda$-type three-level atom is trapped in a bimodal cavity and two sets of $\Lambda$-type three-level atoms are translated into and…

Quantum Physics · Physics 2016-05-17 Qi-Gong Liu , Qi-Cheng Wu , Xin Ji , Shou Zhang

We propose a bootstrapping approach to generation of maximally path-entangled states of photons, so called ``NOON states''. Strong atom-light interaction of cavity QED can be employed to generate NOON states with about 100 photons; which…

Quantum Physics · Physics 2008-03-18 Kishore T Kapale , Jonathan P Dowling