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We present a design and implementation of frequency-tunable superconducting resonator. The resonance frequency tunability is achieved by flux-coupling a superconducting LC-loop to a current-biased feedline; the resulting screening current…

The linear response conductance coefficients are calculated in the scattering approach at finite frequency, damping and magnetic field for a microstructure in which the reservoirs are modeled as quantum wire leads of infinite length but…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 Jens U. Noeckel , Klaus Richter

We develop energy efficient, continuous microwave schemes to couple electron and nuclear spins, using phase or amplitude modulation to bridge their frequency difference. These controls have promising applications in biological systems,…

Quantum Physics · Physics 2019-01-14 J. Casanova , E. Torrontegui , M. B. Plenio , J. J. García-Ripoll , E. Solano

We study the phase controlled transmission properties in a compound system consisting of a 3D copper cavity and an yttrium iron garnet (YIG) sphere. By tuning the relative phase of the magnon pumping and cavity probe tones, constructive and…

Quantum Physics · Physics 2021-02-25 Jie Zhao , Longhao Wu , Tiefu Li , Yu-xi Liu , Franco Nori , Yulong Liu , Jiangfeng Du

Coherent manipulation of magnetism through the lattice provides unprecedented opportunities for controlling spintronic functionalities on the ultrafast timescale. Such nonthermal control conventionally involves nonlinear excitation of…

Emerging health-monitor applications, such as information transmission through multi-channel neural implants, image and video communication from inside the body etc., calls for ultra-low active power (<50${\mu}$W) high data-rate,…

Networking and Internet Architecture · Computer Science 2017-10-19 Gregory Chang , Shovan Maity , Baibhab Chatterjee , Shreyas Sen

Superconductors will be considered as macroscopic quantum gravitational antennas and transducers, which can directly convert upon reflection a beam of quadrupolar electromagnetic radiation into gravitational radiation, and vice versa, and…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Raymond Y. Chiao

The emerging field of magnonics employs spin waves and their quanta, magnons, to implement wave-based computing on the micro- and nanoscale. Multi-frequency magnon networks would allow for parallel data processing within single logic…

The utilization of millimeter wave frequency bands is expected to become prevalent in the following communication systems. However, generating and transmitting communication signals over these frequencies is not as straightforward as in…

Signal Processing · Electrical Eng. & Systems 2024-05-06 M. Yaser Yağan , Ibrahim Hökelek , Ali E. Pusane , Ali Görçin

Parametric transducers, such as superconducting rf cavities, can boost the bandwidth and sensitivity of the next generation resonant antennas, thanks to a readily available technology. We have developed a fully coupled dynamic model of the…

General Relativity and Quantum Cosmology · Physics 2009-11-11 R. Ballantini , M. Bassan , A. Chincarini , G. Gemme , R. Parodi , R. Vaccarone

A sensor that integrates high sensitivity micro-Hall effect magnetometry and high-frequency electron paramagnetic resonance spectroscopy capabilities on a single semiconductor chip is presented. The Hall-effect magnetometer was fabricated…

Strongly Correlated Electrons · Physics 2009-11-13 H. M. Quddusi , C. M. Ramsey , J. C. Gonzalez-Pons , J. J. Henderson , E. del Barco , G. de Loubens , A. D. Kent

Controlling long-lived mechanical oscillators in the quantum regime holds promises for quantum information processing. Here, we present an electromechanical system capable of operating in the GHz-frequency band in a silicon-on-insulator…

Quantum Physics · Physics 2022-07-25 Alkim Bozkurt , Han Zhao , Chaitali Joshi , Henry G. LeDuc , Peter K. Day , Mohammad Mirhosseini

A superconducting magnetometers based on the magnetic field dependence of the Eck step voltage in long Josephson tunnel junctions (LJTJs) is demonstrated. The field to be measured is applied perpendicular to a continuous superconducting…

Mesoscale and Nanoscale Physics · Physics 2013-06-18 Roberto Monaco , Carmine Granata , Roberto Russo , antonio Vettoliere

Terahertz spectrometers with a wide instantaneous frequency coverage for passive remote sensing are enormously attractive for many terahertz applications, such as astronomy, atmospheric science and security. Here we demonstrate a wide-band…

Radio Frequency Identification (RFID) and implantable biomedical devices need efficient power and data transfer with very low profile antennas. We propose a low profile electrically small antenna for near-field wireless power and data…

Instrumentation and Detectors · Physics 2015-06-11 Guoqing Fu , Sameer Sonkusale

Superconductors used in magnet technology could carry extreme currents because of their ability to keep the magnetic flux motionless. The dynamics of the magnetic flux interaction with superconductors is controlled by this property. The…

Accelerator Physics · Physics 2015-01-29 F Gömöry

The full coherent control of hybridized systems such as strongly coupled cavity photon-magnon states is a crucial step to enable future information processing technologies. Thus, it is particularly interesting to engineer deliberate control…

Mesoscale and Nanoscale Physics · Physics 2020-02-19 Isabella Boventer , Christine Dörflinger , Tim Wolz , Rair Macêdo , Romain Lebrun , Mathias Kläui , Martin Weides

Hybrid beamforming for frequency-selective channels is a challenging problem as the phase shifters provide the same phase shift to all of the subcarriers. The existing approaches solely rely on the channel's frequency response and the…

Information Theory · Computer Science 2019-03-13 Sohail Payami , Mathini Sellathurai , Konstantinos Nikitopoulos

Microresonator frequency combs (microcombs) hold great potential for precision metrology within a compact form factor, impacting a wide range of applications such as point-of-care diagnostics, environmental monitoring, time-keeping,…

We describe instrumentation for conducting high sensitivity millimeter-wave cavity perturbation measurements over a broad frequency range (40-200 GHz) and in the presence of strong magnetic fields (up to 33 tesla). A Millimeter-wave Vector…

Materials Science · Physics 2009-10-31 M. Mola , S. Hill , P. Goy , M. Gross