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We report on the development of W-band (75-110 GHz) heterodyne receiver technology for large-format astronomical arrays. The receiver system is designed to be both mass-producible, so that the designs could be scaled to thousands of…

We demonstrate a stable CMOS-compatible on-chip multiple-wavelength source by filtering and modulating individual lines from a frequency comb generated by a microring resonator optical parametric oscillator.. We show comb operation in a…

The accurate measurement of complex liquid permittivity in a frequency range provides important information on liquid properties in comparison to single frequency permittivity investigations. The multifrequency microwave characterization…

We present the design and measurements of a 90GHz prototype of a millimeter-wave channelizing spectrometer realized in rectangular waveguide for astronomical instrumentation. The device was fabricated using conventional high-precision metal…

Instrumentation and Methods for Astrophysics · Physics 2015-08-24 Sean Bryan , George Che , Christopher Groppi , Philip Mauskopf , Matthew Underhill

Next generation communication and sensing require enabling technologies for miniaturized and efficient heterogeneous systems while integrating technologies ranging from silicon to compound semiconductors and from photonic chips to…

Signal Processing · Electrical Eng. & Systems 2024-07-17 Najme Ebrahimi

We demonstrate a multipurpose microwave frequency identification solution that is implemented based on a photonic integrated chip and is able to identify different types of microwave signals, including single-frequency, multiple-frequency,…

Applied Physics · Physics 2018-08-03 Xu Wang , Feng Zhou , Dingshan Gao , Jinran Qie , Xi Xiao , Jianji Dong , Xinliang Zhang

We demonstrate a fully-integrated multipurpose microwave frequency identification system on silicon-on-insulator platform. Thanks to its multipurpose features, the chip is able to identify different types of microwave signals, including…

Signal Processing · Electrical Eng. & Systems 2022-03-01 Yuhan Yao , Yuhe Zhao , Yanxian Wei , Feng Zhou , Daigao Chen , Yuguang Zhang , Xi Xiao , Ming Li , Jianji Dong , Shaohua Yu , Xinliang Zhang

Context. Millimetre-wave astronomy is an important tool for both general astrophysics studies and cosmology. A large number of unidentified sources are being detected by the large field-of-view continuum instruments operating on large…

Instrumentation and Methods for Astrophysics · Physics 2023-03-29 Usasi Chowdhury , Florence Levy-Bertrand , Martino Calvo , Johannes Goupy , Alessandro Monfardini

We have obtained 8.4 GHz VLBA observations of a 31-GHz complete sample of ~100 sources between 10 and 100 mJy. The main goals of these observations are: to determine the angular size, radio spectra and identification for a weak sample of…

Astrophysics · Physics 2008-06-19 W. A. Majid , E. B. Fomalont , D. S. Bagri

With the severe spectrum shortage in conventional cellular bands, millimeter wave (mmW) frequencies between 30 and 300 GHz have been attracting growing attention as a possible candidate for next-generation micro- and picocellular wireless…

Networking and Internet Architecture · Computer Science 2014-04-29 Mustafa Riza Akdeniz , Yuanpeng Liu , Mathew K. Samimi , Shu Sun , Sundeep Rangan , Theodore S. Rappaport , Elza Erkip

Millimeter-wave multi-input multi-output (mm-Wave MIMO) systems are one of the candidate schemes for 5G wireless standardization efforts. In this context, the main contributions of this article are three-fold. 1) We describe parallel sets…

The calibration and traceability of high resolution frequency modulated continuous wave (FMCW) ladar sources is a requirement for their use in length and volume metrology. We report the calibration of a FMCW ladar length measurement system…

Optics · Physics 2015-03-03 Ana Baselga Mateo , Zeb W. Barber

This paper presents a novel micro-Doppler energy-based framework for robust multi-target vital signs monitoring using 77-GHz Frequency-Modulated Continuous-Wave (FMCW) radar. Unlike conventional phase-based methods that are susceptible to…

Signal Processing · Electrical Eng. & Systems 2025-10-23 Chenxing Tan , Yuguan Hou , Hao Wang , Zhonghao Yuan

This work presents an industrially scalable, power-efficient and high-performance quantum magnetometer chip based on proprietary 4H-silicon carbide (SiC) technology, leveraging wafer-scale fabrication techniques to optimize V2 silicon…

Magnetic-field and microwave-frequency modulated DNP experiments have been shown to yield improved enhancements over conventional DNP techniques, and even to shorten polarization build-up times. The resulting increase in signal-to-noise…

Instrumentation and Detectors · Physics 2015-12-23 Mallory L. Guy , Lihuang Zhu , Chandrasekhar Ramanathan

Continuous-wave (cw) squeezed states of light have applications in sensing, metrology and secure communication. In recent decades their efficient generation has been based on parametric down-conversion, which requires pumping by externally…

Quantum Physics · Physics 2019-09-04 Amrit Pal Singh , Stefan Ast , Moritz Mehmet , Henning Vahlbruch , Roman Schnabel

Wafer-level testing is an important step for process and quality control of electronic chips in integrated circuit (IC) manufacturing which occurs before packaging. The process of wafer probing in its conventional contacting schemes,…

Optics · Physics 2024-02-29 Maryam Sadat Amiri Naeini , Pierre Berini

A model of the CW high-power transmitter, utilizing frequency-locked magnetrons with a phase control studied initially as a prototype of controllable in phase and power an RF source for intensity-frontier superconducting linacs, was…

Instrumentation and Detectors · Physics 2014-07-02 G. Kazakevich , R. Johnson , B. Chase , R. Pasquinelli , V. Yakovlev

A low noise linearly frequency modulated continuous wave laser source with a wide frequency bandwidth is demonstrated. By two-dimensional thermal tuning, the laser source shows 42 GHz continuous frequency tuning with 49.86 Hz intrinsic…

Optics · Physics 2021-09-17 Liwei Tang , Hongxiang Jia , Shuai Shao , Sigang Yang , Hongwei Chen , Minghua Chen

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
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