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We report the efficient coupling of a $50\,\Omega$ microwave circuit to a high impedance conductor. We use an impedance transformer consisting of a $\lambda/4$ co-planar resonator whose inner conductor contains an array of superconducting…

Mesoscale and Nanoscale Physics · Physics 2014-04-08 Carles Altimiras , Olivier Parlavecchio , Philippe Joyez , Denis Vion , Patrice Roche , Daniel Esteve , Fabien Portier

The microwave behavior of polymer metacomposites containing parallel Fe-based and continuous/short-cut Co-based microwire arrays has been investigated. A magnetic field-tunable metacomposite feature has been identified in the dense…

Materials Science · Physics 2015-06-26 Y. Luo , F. X. Qin , F. Scarpa , J. Carbonel , M. Ipatov , V. Zhukova , A. Zhukov , J. Gonzalez , H. X. Peng

We observe a power-dependent anticrossing of Walker spin-wave modes under microwave pumping when a ferrimagnet is placed in a microwave waveguide that does not support any discrete photon mode. We interpret this unexpected anticrossing as…

Mesoscale and Nanoscale Physics · Physics 2023-08-08 J. W. Rao , Bimu Yao , C. Y. Wang , C. Zhang , Tao Yu , Wei Lu

The technique presented in this paper enables the regulation of both radio frequency amplitude and phase in narrow band devices such as a Superconducting RF (SRF) cavity driven by constant power output devices i.e. magnetrons. The ability…

Accelerator Physics · Physics 2015-06-23 Brian Chase , Ralph Pasquinelli , Ed Cullerton , Philip Varghese

Compact, low-power analog RF components are essential for next-generation microwave electronics and wireless systems. We demonstrate an all-electric integrated piezo-magnonic microelectromechanical system that enables efficient voltage…

Applied Physics · Physics 2026-03-31 M. Cocconcelli , A. Angotti , P. Florio , N. Pellizzi , F. Maspero , R. Bertacco

The two-frequency heating technique was studied to increase the beam intensities of highly charged ions provided by the high-voltage extraction configuration (HEC) ion source at the National Institute of Radiological Sciences (NIRS). The…

Plasma Physics · Physics 2015-01-29 S. Biri , A. Kitagawa , M. Muramatsu , A. G. Drentje , R. Rácz , K. Yano , Y. Kato , N. Sasaki , W. Takasugi

We propose to realize microwave quantum illumination in weak coupling regime based on multimode optomechanical systems. In our proposal the multimode together with a frequency-mismatch process could reduce mechanical thermal noise.…

Quantum Physics · Physics 2017-01-24 Wen-Juan Yang , Xiang-Bin Wang

All-microwave control of fixed-frequency superconducting quantum systems offers the potential to reduce control circuit complexity and increase system coherence. Nevertheless, due to the limited control flexibility in qubit parameters, one…

Quantum Physics · Physics 2024-10-11 Ling Jiang , Peng Xu , Shengjun Wu , Jian-An Sun , Fu-Quan Dou

High speed train system has proven to be a very flexible and attractive system that can be developed under various circumstances and in different contexts and cultures. As a result, high speed trains are widely deployed around the world.…

Networking and Internet Architecture · Computer Science 2019-07-18 Lei Wang , Bo Ai , Yong Niu , Xia Chen , Pan Hui

The preparation of composite materials is promising for concurrent optimization of electrical and thermal transport properties to realize an improved thermoelectric (TE) performance. We report the effect of work function and acoustic…

Quantum computing, quantum communication and quantum networks rely on hybrid quantum systems operating in different frequency ranges. For instance, the superconducting qubits work in the gigahertz range, while the optical photons used in…

Quantum Physics · Physics 2024-09-06 Wei-Jiang Wu , Yi-Pu Wang , Jie Li , Gang Li , J. Q. You

We propose and demonstrate localized mode coupling as a viable dispersion engineering technique for phase-matched resonant four-wave mixing (FWM). We demonstrate a dual-cavity resonant structure that employs coupling-induced frequency…

Optics · Physics 2023-07-19 Cale M. Gentry , Xiaoge Zeng , Milos A. Popovic

Efficient and coherent conversion between microwave and optical signals is crucial for a wide range of applications, from quantum information processing to microwave photonics and radar systems. However, existing conversion techniques rely…

High frequency mechanical resonators subjected to low thermal phonon occupancy are easier to be prepared to the ground state by direct cryogenic cooling. Their extreme stiffness, however, poses a significant challenge for external…

Optics · Physics 2016-09-21 Xu Han , Chang-Ling Zou , Hong X. Tang

As the demand for high-performance microprocessors increases, the circuit complexity and the rate of data transfer increases resulting in higher power consumption. We propose a clocking architecture that uses a series LC resonance and…

Systems and Control · Electrical Eng. & Systems 2022-05-18 Dhandeep Challagundla , Mehedi Galib , Ignatius Bezzam , Riadul Islam

A novel concept of high-power transmitters utilizing the Continuous Wave (CW) magnetrons, frequency-locked by phase-modulated signals has been proposed to compensate energy losses caused by Synchrotron Radiation (SR) in the electron ring of…

Accelerator Physics · Physics 2014-04-07 G. Kazakevich

The ability to achieve strong-coupling has made cavity-magnon systems an exciting platform for the development of hybrid quantum systems and the investigation of fundamental problems in physics. Unfortunately, current experimental…

Applied Physics · Physics 2020-07-07 C. A. Potts , J. P. Davis

A concept of a high-power magnetron transmitter for operation within a wideband control feedback loop in phase and amplitude is presented. This transmitter is proposed to drive Superconducting RF (SRF) cavities for intensity-frontier…

Motivated by the prospects of increased measurement bandwidth, improved signal to noise ratio and access to the full complex magnetic susceptibility we develop a technique to extract microwave voltages from our high resistance (10…

Mesoscale and Nanoscale Physics · Physics 2012-11-07 D. Fang , T. Skinner , H. Kurebayashi , R. P. Campion , B. L. Gallagher , A. J. Ferguson

Wireless transfer of power via high frequency microwave radiation using a miniature split ring resonator rectenna is reported. RF power is converted into DC power by integrating a rectification circuit with the split ring resonator. The…