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It has been proven that when connecting two infinite semi-cylinders or waveguides with a finite cylinder or resonator at a certain frequency, it is possible to transmit a signal almost completely from one semi-cylinder to another. In this…

Mathematical Physics · Physics 2024-11-26 Andrey L. Delitsyn , Irina K. Troshina

In this work, we propose a new single-RF MIMO architecture which enjoys high scalability and energy-efficiency. The transmitter in this proposal consists of a single RF illuminator radiating towards a reflecting surface. Each element on the…

Information Theory · Computer Science 2020-03-20 Ali Bereyhi , Vahid Jamali , Ralf R. Müller , Antonia M. Tulino , Georg Fischer , Robert Schober

Quantum communication protocols require efficient detection schemes to maximize the information transfer rate between the sender and the receiver. To this aim, we have demonstrated that weak-field receivers, merging wave-like and…

Compact interferometers, called phasemeters, make it possible to operate over a large range while ensuring a high resolution. Such performance is required for the stabilization of large instruments dedicated to experimental physics such as…

Instrumentation and Methods for Astrophysics · Physics 2018-12-03 Jennifer Watchi , Sam Cooper , Binlei Ding , Conor M. Mow-Lowry , Christophe Collette

We have designed and fabricated a half-wavelength reflection line resonator (RLR) that consists of a pair of two coupled microstrip lines on a GaAs/AlGaAs heterostructure. By changing the top gate voltage on a square of two dimensional…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 Miao-Lei Zhang , Guang-Wei Deng , Shu-Xiao Li , Hai-Ou Li , Gang Cao , Tao Tu , Ming Xiao , Guang-Can Guo , Hong-Wen Jiang , Irfan Siddiqi , Guo-Ping Guo

This paper proposes a novel and compact nonreciprocal filtering antenna based on temporal modulation. The device is composed of a third order filtering section integrated into a Yagi-Uda planar printed antenna. Strong nonreciprocity in…

Signal Processing · Electrical Eng. & Systems 2020-02-19 J. W. Zang , X. T. Wang , A. Alvarez-Melcon , J. S. Gomez-Diaz

A nanoscale phononic crystal filter (reflector) is designed for a kinetic inductance detector where the reflection band is matched to the quasiparticle recombination phonons with the aim to increase quasiparticle lifetime in the…

Instrumentation and Detectors · Physics 2020-04-22 Tuomas A. Puurtinen , Karwan Rostem , Pieter J. de Visser , Ilari J. Maasilta

The design, fabrication, and optical properties of a composite plasmonic structure, a two-dimentional array of split-ring resonators inserted into periodic square holes of a metal film, have been reported. A new type of transmission…

We theoretically study reflection of light by a phase-conjugating mirror preceded by a partially reflecting normal mirror. The presence of a suitably chosen normal mirror in front of the phase conjugator is found to greatly enhance the…

Optics · Physics 2009-10-31 M. Blaauboer , D. Lenstra , A. Lodder

A simple way of simulating transmission lines using a free software is presented. In order to validate the results, the effective value of reflection coefficient for voltage wave in a quarter wavelength line was determined trough a…

Applied Physics · Physics 2021-04-07 Fulvio Andres Callegari

We propose a universal approach for modeling complex integrated photonic resonators based on the scattering matrix method. By dividing devices into basic elements including directional cou-plers and connecting waveguides, our approach can…

Optics · Physics 2025-02-04 David J. Moss

We demonstrate a photonic RF Hilbert transformer for broadband microwave in-phase and quadrature-phase generation based on an integrated frequency optical comb, generated using a nonlinear microring resonator based on a CMOS compatible,…

Poorly transparent barriers (e.g., reinforced walls, shielding panels, metallic or high-contrast dielectrics) strongly reflect incident radiation, limiting wireless power transfer (WPT) unless the barrier is structurally modified to support…

Optics · Physics 2025-12-25 Alex Krasnok

A novel metasurface unit cell architecture is proposed to enable independent control of the reflection magnitude and phase at a desired operation frequency, while maintaining linear polarization of the incoming fields. The proposed…

Applied Physics · Physics 2020-09-29 Ahmed Z. Ashoor , Shulabh Gupta

Conventional circulators are made of magnetic ferrites and suffer from a cumbersome architecture, incompatibility with integrated circuit technology and inability for high frequency applications. To overcome these limitations, here we…

Applied Physics · Physics 2021-07-22 Sajjad Taravati , George V. Eleftheriades

We describe a unified classical approach for analyzing the scattering coefficients of superconducting microwave resonators with a variety of geometries. To fill the gap between experiment and theory, we also consider the influences of small…

In this study, we investigate a novel design of an on-chip nested coupled ring resonator to enhance the quality factor and the effective length of the resonator. The configuration consists of an open ring and racetrack resonator, with…

Optics · Physics 2023-09-07 Mahmoud A. Selim , Momen Anwar

In this paper, a rectangular-shaped power divider has been presented operating at 27.9 GHz. The power divider has achieved acceptable results for important parameters such as S11, S12, S21, and S22. The substrate employed for the power…

Systems and Control · Electrical Eng. & Systems 2025-05-08 Muhammad Asfar Saeed , Augustine O. Nwajana , Muneeb Ahmad

In this article we present an experimental study of microwave resonators made out of Josephson junctions. The junctions are embedded in a transmission line geometry so that they increase the inductance per length for the line. By comparing…

Mesoscale and Nanoscale Physics · Physics 2023-09-20 Antti Ranni , Harald Havir , Subhomoy Haldar , Ville F. Maisi

It was recently demonstrated that, in deep subwavelength gap resonators coupled to two-dimensional electron gases, coupling to propagating plasmons can lead to energy leakage and prevent the formation of polaritonic resonances. This…

Mesoscale and Nanoscale Physics · Physics 2023-10-17 Shima Rajabali , Josefine Enkner , Erika Cortese , Mattias Beck , Simone De Liberato , Jérôme Faist , Giacomo Scalari