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This work describes the architecture and implementation of a high-data-rate, energy-efficient millimeter-wave (mm-wave) waveguide solution for integration inside an Integrated Circuit (IC) package. The complete waveguide solution (together…

Signal Processing · Electrical Eng. & Systems 2020-03-30 Souradip Sarkar , Gert-Jan Stockman , Brecht Francois

Millimeter-wave (mmWave) systems require a large number of antennas at both base station and user equipment for a desirable link budget. Due to time varying channel under user mobility, up-to-date channel state information (CSI) is critical…

Signal Processing · Electrical Eng. & Systems 2018-07-20 Han Yan , Veljko Boljanovic , Danijela Cabric

There have been recent works on enabling in-band full-duplex operation using millimeter-wave (mmWave) transceivers. These works are based solely on creating sufficient isolation between a transceiver's transmitter and receiver via…

Signal Processing · Electrical Eng. & Systems 2020-02-07 Ian P. Roberts , Hardik B. Jain , Sriram Vishwanath

Up-to-date network telemetry is the key enabler for resource optimization by a variety of means including capacity scaling, fault recovery, network reconfiguration. Reliable optical performance monitoring in general and specifically the…

Signal Processing · Electrical Eng. & Systems 2021-08-24 Mehedi Hasan , Gazi Mahamud Hasan , Houman Ghorbani , Mohammad Rad , Peng Liu , Eric Bernier , Trevor Hall

We develop a technique to overcome phase-mismatch in Josephson-junction traveling wave parametric amplifiers in order to achieve high gain over a broad bandwidth. Using "resonant phase matching," we design a compact superconducting device…

Superconductivity · Physics 2014-10-15 Kevin O'Brien , Chris Macklin , Irfan Siddiqi , Xiang Zhang

This paper analyzes the efficacy of decoupled wireless access in a two-tier heterogeneous network. The decoupled wireless access and its performance benefits have been studied in different scenarios recently. In this paper, an in-depth…

Signal Processing · Electrical Eng. & Systems 2019-03-18 Zeeshan Sattar , Joao V. C. Evangelista , Georges Kaddoum , Naïm Batani

High-density communication through optical fiber is made possible by Wavelength Division Multiplexing, which is the simultaneous transmission of many discrete signals at different optical frequencies. Vast quantities of data may be…

Optics · Physics 2020-02-19 Paul Fisher , Matteo Villa , Francesco Lenzini , Mirko Lobino

Up-to-date network telemetry is the key enabler for resource optimization by capacity scaling, fault recovery, and network reconfiguration among other means. Reliable optical performance monitoring in general and, specifically, the…

The rapidly growing global data usage has demanded more efficient ways to utilize the scarce electromagnetic spectrum resource. Recent research has focused on the development of efficient multiplexing techniques in the millimeter-wave band…

The millimeter wave all-metallic accelerating structure, aimed to provide more than 100 MeV/m gradient and fed by feeding RF pulses of 20-30 ns duration, is proposed. The structure is based on a waveguide with small helical corrugation.…

Accelerator Physics · Physics 2015-11-03 S. V. Kuzikov , A. A. Vikharev , N. Yu. Peskov

Directional amplifiers are an important resource in quantum information processing, as they protect sensitive quantum systems from excess noise. Here, we propose an implementation of phase-preserving and phase-sensitive directional…

Mesoscale and Nanoscale Physics · Physics 2018-01-09 Daniel Malz , László D. Tóth , Nathan R. Bernier , Alexey K. Feofanov , Tobias J. Kippenberg , Andreas Nunnenkamp

A rate splitting based scheme is proposed to operate a broadcast setting with two antennas at the transmit side and two single-antenna receiving terminals. The transmitter knows the magnitude of the channel coefficients, and it is oblivious…

Information Theory · Computer Science 2019-06-11 Carlos Mosquera , Tomás Ramírez , Màrius Caus , Nele Noels , Adriano Pastore

A periodic assembly of acoustically-rigid blocks (termed 'grating'), situated between two half spaces occupied by fluid-like media, lends itself to a rigorous theoretical analysis of its response to an acoustic homogeneous plane wave. This…

Applied Physics · Physics 2018-04-04 Armand Wirgin

Millimeter wave (mmWave) communication is a promising solution for coping with the ever-increasing mobile data traffic because of its large bandwidth. To enable a sufficient link margin, a large antenna array employing directional…

Information Theory · Computer Science 2019-07-02 Reza Ghanaatian , Vahid Jamali , Andreas Burg , Robert Schober

A great increase in wireless access rates might be attainable by using the large amount of spectrum available in the millimeter wave (mmWave, 30 - 300 GHz) band. However, due to higher propagation losses inherent in these frequencies, to…

Information Theory · Computer Science 2017-05-02 Jinfeng Du , Reinaldo A. Valenzuela

We here propose and demonstrate a point-by-point programmable broadband microwave spectrum processor with high-resolution up to tens of MHz. We achieve this by bandwidth-minified mapping a programmable optical spectrum processor, which has…

Optics · Physics 2017-08-10 Jilong Li , Yitang Dai , Feifei Yin , Ming Li , Kun Xu

This paper describes continuously phase-modulated standing surface acoustic waves (CPM-SSAW) and its application for particle separation in multiple pressure nodes. A linear change of phase in CPM-SSAW applies a force to particles whose…

Fluid Dynamics · Physics 2017-04-05 Junseok Lee , Chanryeol Rhyou , Byungjun Kang , Hyungsuk Lee

With higher frequencies and broader spectrum than conventional frequency bands, the millimeter-wave (mmWave) band is suitable for next-generation wireless networks featuring short-distance high-rate communications. As a newcomer, mmWaves…

Signal Processing · Electrical Eng. & Systems 2020-08-21 Ching-Lun Tai , Derek Wu

We present the design of a reflective stop-band filter based on quasi-lumped elements that can be utilized to introduce large dc and low-frequency voltage biases into a low-loss superconducting coplanar waveguide (CPW) cavity. Transmission…

Mesoscale and Nanoscale Physics · Physics 2015-04-20 Yu Hao , Francisco Rouxinol , M. D. LaHaye

We report a new technique of scanning capacitance microscopy at microwave frequencies. A near field scanning microwave microscope probe is kept at a constant height of about 1nm above the samplewith the help of Scanning Tunneling Microscope…

Materials Science · Physics 2007-05-23 Atif Imtiaz , Steven M. Anlage