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Correlation radiometers make true differential measurements in power with high accuracy and small systematic errors. This receiver architecture has been used in radio astronomy for measurements of continuum radiation for over 50 years; this…

Astrophysics · Physics 2007-05-23 A. I. Harris

The main promise of tunnel FETs (TFETs) is to enable supply voltage ($V_{DD}$) scaling in conjunction with dimension scaling of transistors to reduce power consumption. However, reducing $V_{DD}$ and channel length ($L_{ch}$) typically…

Mesoscale and Nanoscale Physics · Physics 2016-04-08 Hesameddin Ilatikhameneh , Gerhard Klimeck , Rajib Rahman

We present the design and the test results of a quad-channel optical transceiver module (QTRx) possibly for future particle physics experiments. The transmitters of QTRx, each at 10 Gbps, are based on a Quad-channel VCSEL Diode array Driver…

Instrumentation and Detectors · Physics 2022-05-25 B. Deng , X. Huang , H. Sun , C. -P. Chao , S. -W. Chen , D. Gong , S. Hou , G. Huang , C. -Y. Li , C. Liu , T. Liu , Q. Sun , J. Ye , L. Zhang , W. Zhang

A 33.6 ps LSB Time-to-Digital converter was designed in 130 nm BiCMOS technology. The core of the converter is a differential 9-stage ring oscillator, based on a multi-path architecture. A novel version of this design is proposed, along…

Measuring thermodynamic quantities can be easy or not, depending on the system that is being studied. For a macroscopic object, measuring temperatures can be as simple as measuring how much a column of mercury rises when in contact with the…

Quantum Physics · Physics 2015-09-15 O. P. de Sá Neto , M. C. de Oliveira , G. J. Milburn

Here we present a computational tool for optical tweezers which calculates the particle tracking signal measured with a quadrant detector and the shot-noise limit to position resolution. The tool is a piece of Matlab code which functions…

Instrumentation and Detectors · Physics 2021-05-27 Michael A. Taylor , Warwick P. Bowen

High spectral purity frequency agile room temperature sources in the terahertz spectrum are foundational elements for imaging, sensing, metrology, and communications. Here we present a chip scale optical parametric oscillator based on an…

The low temperature properties of amorphous solids are usually explained in terms of atomic-scale tunneling two level systems (TLS). For almost 20 years, individual TLS have been probed in insulating layers of superconducting quantum…

Mesoscale and Nanoscale Physics · Physics 2024-01-17 Richard Pedurand , Ilya Golokolenov , Mika Sillanpää , Laure Mercier de Lépinay , Eddy Collin , Andrew Fefferman

We explore here the stochastic behavior of the DECAL sensor's noise output, and we evaluate its potential application as a true random number generator (TRNG) using time series analysis. The main objectives are twofold: first, to…

High Energy Physics - Experiment · Physics 2025-09-03 Dimos Aslanis , Alex Kehagias , Ioannis Kopsalis , Ioannis Theodonis

The 4th detector is rich in particle identification measurements from the dual-readout calorimeters, the cluster-timing tracking chamber, the muon spectrometer, and combinations of these systems. In all, a total of 13 measurements…

Instrumentation and Detectors · Physics 2014-11-18 Vito Di Benedetto , John Hauptman , Anna Mazzacane

Purpose: Current photon-counting computed tomography detectors are limited to a pixel size of around 0.3 mm-0.5 mm due to excessive charge sharing degrading the dose efficiency and energy resolution as the pixels become smaller. In this…

Medical Physics · Physics 2024-01-18 Rickard Brunskog , Mats Persson , Zihui Jin , Mats Danielsson

State-of-the-art superconducting quantum processors containing tens to hundreds of qubits have demonstrated the building blocks for realizing fault-tolerant quantum computation. Nonetheless, a fundamental barrier to scaling further is the…

The radiofrequency resonant four-quadrant mechanical structure of a 4-vane Radio Frequency Quadrupole (RFQ) has a high quality factor and narrow bandwidth, resulting in high sensitivity to frequency detuning caused by thermal expansion…

Accelerator Physics · Physics 2022-03-23 Xiaowen Zhu , Claude Marchand , Olivier Piquet , Michel Desmons

A vectorial analysis of magnetic resonance spectrometers, based on traveling wave resonators and including the reference arm and the automatic control of frequency, has been developed. The proposed model, valid also for stationary wave…

Instrumentation and Detectors · Physics 2015-06-26 G. Annino , M. Cassettari , M. Fittipaldi , M. Martinelli

This work describes the hardware implementation of a connected component labelling (CCL) module in reprogammable logic. The main novelty of the design is the "full", i.e. without any simplifications, support of a 4 pixel per clock format (4…

Computer Vision and Pattern Recognition · Computer Science 2021-05-24 Marcin Kowalczyk , Tomasz Kryjak

A planar reflective phaser based on an open-ended edge-coupled-line structure is proposed. This phaser is the first reported phaser that combines the benefits of high resolution, inherent to cross-coupled resonator reflective phasers, and…

Optics · Physics 2014-04-11 Lianfeng Zou , Qingfeng Zhang , Christophe Caloz

We report on the realization of a high sensitivity RF noise measurement scheme to study small current fluctuations of mesoscopic systems at milliKelvin temperatures. The setup relies on the combination of an interferometric ampli- fication…

Mesoscale and Nanoscale Physics · Physics 2011-03-07 François D. Parmentier , Adrien Mahé , Anne Denis , Jean-Marc Berroir , D. Christian Glattli , Bernard Plaçais , Gwendal Fève

State-of-the-art technology for pulse counter electronics offers an important range of commercial devices, but such systems are usually expensive due to the complex logic used for this task. The use of counting electronics in conjunction…

Instrumentation and Detectors · Physics 2017-06-16 E. Ipus , C. A. Melo-Luna , L. Giraldo , O. Vergara , J. H. Reina

In this study, we elaborate on the concept of scalable anomalous reflector (AR) to analyze the angular response, frequency response, and spatial scalability of a designed AR across a broad range of angles and frequencies. We utilize…

Signal Processing · Electrical Eng. & Systems 2024-07-25 Le Hao , Sravan K. R. Vuyyuru , Sergei A. Tretyakov , Markus Rupp , Risto Valkonen