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Adiabatic wavelength conversion is experimentally demonstrated at a single photon power-level using an integrated Silicon ring resonator. This approach allows conversion of a photon to arbitrary wavelengths with no energy or phase matching…

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

Recent progress in the development of superconducting circuits has enabled the realization of interesting sources of nonclassical radiation at microwave frequencies. Here, we discuss field quadrature detection schemes for the experimental…

Quantum Physics · Physics 2012-09-28 C. Eichler , D. Bozyigit , A. Wallraff

Microwave photonics is a remarkably powerful system for quantum simulation and technologies, but its integration in superconducting circuits, superior in many aspects, is constrained by the long wavelengths and impedance mismatches in this…

Scalable implementation of quantum networks and photonic processors require integrated photonic memories with high efficiency, yet current integrated systems have been limited to storage efficiencies below 27.8%. Here, we demonstrate highly…

Single-photon detectors are an essential part of the toolbox of modern quantum optics for implementing quantum technologies and enabling tests of fundamental physics. The low energy of microwave photons, the natural signal path for…

Mesoscale and Nanoscale Physics · Physics 2025-10-10 Lukas Danner , Max Hofheinz , Nicolas Bourlet , Ciprian Padurariu , Joachim Ankerhold , Björn Kubala

Quantum transduction, the process of converting quantum signals from one form of energy to another, is an important area of quantum science and technology. The present perspective article reviews quantum transduction between microwave and…

The interaction of photons and coherent quantum systems can be employed to detect electromagnetic radiation with remarkable sensitivity. We introduce a quantum radiometer based on the photon-induced-dephasing process of a superconducting…

Quantum Physics · Physics 2021-05-12 Zhixin Wang , Mingrui Xu , Xu Han , Wei Fu , Shruti Puri , S. M. Girvin , Hong X. Tang , S. Shankar , M. H. Devoret

We propose a new method for converting single microwave photons to single optical sideband photons based on spinful impurities in magnetic materials. This hybrid system is advantageous over previous proposals because (i) the implementation…

We present an experimental demonstration of converting a microwave field to an optical field via frequency mixing in a cloud of cold $^{87}$Rb atoms, where the microwave field strongly couples to an electric dipole transition between…

Atomic Physics · Physics 2018-03-05 Jingshan Han , Thibault Vogt , Christian Gross , Dieter Jaksch , Martin Kiffner , Wenhui Li

Entanglement is an extraordinary feature of quantum mechanics. Sources of entangled optical photons were essential to test the foundations of quantum physics through violations of Bell's inequalities. More recently, entangled many-body…

We propose an efficient microwave-photonic modulator as a resource for stationary entangled microwave-optical fields and develop the theory for deterministic entanglement generation and quantum state transfer in multi-resonant electro-optic…

Quantum Physics · Physics 2019-12-03 Alfredo Rueda , William Hease , Shabir Barzanjeh , Johannes M. Fink

We report the first entanglement generation experiment using an on-chip slow light device. With highly efficient spontaneous four-wave mixing enhanced by the slow light effect in a coupled resonator optical waveguide based on a silicon…

Quantum Physics · Physics 2014-01-30 Hiroki Takesue , Nobuyuki Matsuda , Eiichi Kuramochi , Masaya Notomi

We propose a device for the reversible and quiet conversion of microwave photons to optical sideband photons, that can reach 100% quantum effciency. The device is based on an erbium doped crystal placed in both an optical and microwave…

Quantum Physics · Physics 2014-12-10 Lewis A. Williamson , Yu-Hui Chen , Jevon J. Longdell

Direct current (DC) converters play an essential role in electronic circuits. Conventional high-efficiency DC voltage converters, especially step-up type, rely on switch-mode operation, where energy is periodically stored within and…

We propose a method that enables efficient conversion of quantum information frequency between different regions of spectrum of light based on recently demonstrated strong parametric coupling between two narrow-band single-photon pulses…

Quantum Physics · Physics 2015-05-14 A. Gogyan

Efficient frequency conversion of photons has important applications in optical quantum technology because the frequency range suitable for photon manipulation and communication usually varies widely. Recently, an efficient frequency…

Loading quantum information deterministically onto a quantum node is an important step towards a quantum network. Here, we demonstrate that coherent-state microwave photons, with an optimal temporal waveform, can be efficiently loaded onto…

By driving a dispersively coupled qubit-resonator system, we realize an "impedance-matched" $\Lambda$ system that has two identical radiative decay rates from the top level and interacts with a semi-infinite waveguide. It has been predicted…

Quantum Physics · Physics 2014-09-02 K. Inomata , K. Koshino , Z. R. Lin , W. D. Oliver , J. S. Tsai , Y. Nakamura , T. Yamamoto

The detection of microwave fields at single-photon power levels is a much sought-after technology, with practical applications in nanoelectronics and quantum information science. Here we demonstrate a simple yet powerful…