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We show that optically active coupled quantum dots embedded in a superconducting microwave cavity can be used to realize a fast quantum interface between photonic and transmon qubits. Single photon absorption by a coupled quantum dot…

Quantum Physics · Physics 2017-11-01 Yuta Tsuchimoto , Patrick Knüppel , Aymeric Delteil , Zhe Sun , Martin Kroner , Ataç Imamoğlu

Advancing quantum information, communication and sensing relies on the generation and control of quantum correlations in complementary degrees of freedom. Here, we demonstrate the preparation of electron-photon pair states using the…

We study the coherent control of microwave photons propagating in a superconducting waveguide consisting of coupled transmission line resonators, each of which is connected to a tunable charge qubit. While these coupled line resonators form…

Superconductivity · Physics 2015-06-25 Lan Zhou , Y. B. Gao , Z. Song , C. P. Sun

We investigate the coherent energy transfer between two quantum systems mediated by a quantum bus. In particular, we consider the energy transfer process between two qubits, and how it can be influenced by using a third qubit or photons in…

Mesoscale and Nanoscale Physics · Physics 2022-09-21 Alba Crescente , Dario Ferraro , Matteo Carrega , Maura Sassetti

We investigate coherent single-photon transport in a waveguide-QED structure containing two giant atoms. The unified analytical expressions of the single-photon scattering amplitudes applicable for different topological configurations are…

Quantum Physics · Physics 2022-01-17 S. L. Feng , W. Z. Jia

In the quantum world, a single particle can have various degrees of freedom to encode quantum information. Controlling multiple degrees of freedom simultaneously is necessary to describe a particle fully and, therefore, to use it more…

The mechanical properties of light have found widespread use in the manipulation of gas-phase atoms and ions, helping create new states of matter and realize complex quantum interactions. The field of cavity-optomechanics strives to scale…

Optics · Physics 2015-08-24 Kejie Fang , Matthew H. Matheny , Xingsheng Luan , Oskar Painter

Controlling and swapping quantum information in a quantum coherent way between the microwave and optical regimes is essential for building long-range superconducting quantum networks but extremely challenging. We propose a hybrid quantum…

Quantum Physics · Physics 2018-05-23 Keyu Xia , Fedor Jelezko , Jason Twamley

We propose a system where coherent thermal transport between two reservoirs in non-galvanic contact is modulated by independently tuning the electron-photon and the electron-phonon coupling. The scheme is based on two gate-controlled…

Mesoscale and Nanoscale Physics · Physics 2017-08-18 Federico Paolucci , Giuliano Timossi , Paolo Solinas , Francesco Giazotto

We theoretically investigate charge transport through electronic bands of a mesoscopic one-dimensional system, where inter-band transitions are coupled to a confined cavity mode, initially prepared close to its vacuum. This coupling leads…

Hybrid quantum systems with inherently distinct degrees of freedom play a key role in many physical phenomena. Famous examples include cavity quantum electrodynamics, trapped ions, or electrons and phonons in the solid state. Here, a strong…

Mesoscale and Nanoscale Physics · Physics 2016-11-26 J. M. Pirkkalainen , S. U. Cho , Jian Li , G. S. Paraoanu , P. J. Hakonen , M. A. Sillanpää

We investigate the controllable generation of robust photon entanglement with a circuit cavity electromechanical system, consisting of two superconducting coplanar waveguide cavities (CPWC's) capacitively coupled by a nanoscale mechanical…

Quantum Physics · Physics 2013-10-30 Peng-Bo Li , Shao-Yan Gao , Fu-Li Li

This is the first one of a series of our papers theoretically studying the coherent control of photon transmission along the coupled resonator optical waveguide (CROW) by doping artificial atoms for various hybrid structures. We will…

Quantum Physics · Physics 2009-11-13 F. M. Hu , Lan Zhou , Tao Shi , C. P. Sun

We have studied the electron transport through a quantum dot coupled to three leads in the presence of external microwave fields supplied to different parts of the considered mesoscopic system. Additionally, we introduced a possible…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 T. Kwapinski , R. Taranko , E. Taranko

We study the transport and quantum walk of nonclassical light in an array of coupled waveguides which have novel properties like very low decoherence and thus making them ideal for storage of quantum information. We show how squeezing gets…

Quantum Physics · Physics 2009-11-13 Amit Rai , G. S. Agarwal , J. H. H. Perk

The transmission of photons through a pair of coupled single-mode waveguides is studied in detail. It is assumed that one of the waveguides is coupled to a non-Markovian reservoir, described by a Lorentzian spectrum distribution. We…

Optics · Physics 2025-08-26 J. R. Silva , P. A. Brandão

We explore the photon transfer in the nonlinear parity-time-symmetry system of two coupled cavities, which contains nonlinear gain and loss dependent on the intracavity photons. Analytical solution to the steady state gives a saturated…

Quantum Physics · Physics 2021-05-19 Ling-Pu Gong , Xing-Sen Chen , Yin Tan , Rui Zhang , Yu-Yu Zhang

We study two-level systems (2LS) coupled at different points to a one-dimensional waveguide in which one end is open and the other is either open (infinite waveguide) or closed by a mirror (semi-infinite). Upon injection of two photons…

Quantum Physics · Physics 2015-05-27 Yao-Lung L. Fang , Harold U. Baranger

Solid-state quantum dots are promising candidates for efficient light-matter interfaces connecting internal spin degrees of freedom to the states of emitted photons. However, selection rules prevent the combination of efficient spin control…

We theoretically investigate the phenomenon of voltage-controlled intracavity electromagnetically induced transparency with asymmetric double quantum dot system. The impact of voltage on frequency pulling and cavity linewidth narrowing are…

Quantum Physics · Physics 2010-01-02 Yandong Peng , Yueping Niu , Ni Cui , Shangqing Gong