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We demonstrate dispersive charge sensing of Si/SiGe single and double quantum dots (DQD) by coupling sub-micron floating gates to a radio frequency reflectometry (rf-reflectometry) circuit using the tip of an atomic force microscope (AFM).…

Mesoscale and Nanoscale Physics · Physics 2023-11-01 Artem O. Denisov , Gordian Fuchs , Seong W. Oh , Jason R. Petta

We present an innovative charge detector with high resolution and wide dynamic range designed to fulfill the requirements of a monitoring system for a high energy ion beam. The detector prototype, constructed using Si photodiodes and a…

We have embedded a physically defined p-channel silicon MOS quantum dot (QD) device into an impedance transformer RC circuit. To decrease the parasitic capacitance and surpass the cutoff frequency of the device which emerges in MOS devices…

Mesoscale and Nanoscale Physics · Physics 2021-03-03 Sinan Bugu , Shimpei Nishiyama , Kimihiko Kato , Yongxun Liu , Takahiro Mori , Tetsuo Kodera

Speech emotion recognition (SER) often experiences reduced performance due to background noise. In addition, making a prediction on signals with only background noise could undermine user trust in the system. In this study, we propose a…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-06 Yu-Wen Chen , Julia Hirschberg , Yu Tsao

A readout electronics used in space cosmic-ray charges measurement for multi-channel silicon detector and its performance test results are introduced in this paper. A 64-channel charge sensitive ASIC (VA140) from IDEAS company is adopt in…

Instrumentation and Detectors · Physics 2013-07-12 Zhang Fei , Fan Rui-Rui , Peng Wen-Xi , Dong Yi-Fan , Gong Ke , Liang Xiao-Hua , Liu Ya-Qing , Wang Huan-Yu

Readout chips of hybrid pixel detectors use a low power amplifier and threshold discrimination to process charge deposited in semiconductor sensors. Due to transistor mismatch each pixel circuit needs to be calibrated individually to…

Instrumentation and Detectors · Physics 2017-08-23 Timon Heim , Maurice Garcia-Sciveres

It is shown that the noise-limited charge sensitivity of a single-electron transistor using superconductors (of either $SISIS$ or $NISIN$ type) operating near the threshold of quasiparticle tunneling, can be considerably higher than that of…

Condensed Matter · Physics 2009-10-28 Alexander N. Korotkov

We evaluate the performances of a 100 um-thick silicon strip detector (SSD) with a 300 MeV proton beam and a 90Sr beta-ray source. Signals from the SSD have been read out using a VLSI chip. Common-mode noise, signal separation efficiency…

Instrumentation and Detectors · Physics 2007-05-23 T. Hotta , M. Fujiwara , T. Kinashi , Y. Kuno , M. Kuss , T. Matsumura , T. Nakano , S. Sekikawa , H. Tajima

A single-photon CMOS image sensor design based on pinned photodiode (PPD) with multiple charge transfers and sampling is described. In the proposed pixel architecture, the photogenerated signal is sampled non-destructively multiple times…

Instrumentation and Detectors · Physics 2020-04-07 Konstantin D. Stefanov , Martin Prest , Mark Downing , Elizabeth George , Naidu Bezawada , Andrew D. Holland

We present a time-over-threshold readout technique to count the number of activated pixels from an array of superconducting nanowire single photon detectors (SNSPDs). This technique maintains the intrinsic timing jitter of the individual…

Instrumentation and Detectors · Physics 2020-03-18 Johannes Tiedau , Timon Schapeler , Vikas Anant , Helmut Fedder , Christine Silberhorn , Tim J. Bartley

We have been developing a monolithic active pixel sensor, ``XRPIX``, for the Japan led future X-ray astronomy mission ``FORCE`` observing the X-ray sky in the energy band of 1-80 keV with angular resolution of better than 15``. XRPIX is an…

Different terrestrial terahertz applications would benefit from large-format arrays, operating in compact and inexpensive cryocoolers at liquid helium temperature with sensitivity, limited by the 300-K background radiation only. A…

Instrumentation and Detectors · Physics 2018-07-03 Artem Kuzmin , Steffen Doerner , Stefan Singer , Ilya Charaev , Konstantin Ilin , Stefan Wuensch , Michael Siegel

The apparatus of the ALICE experiment at CERN will be upgraded in 2017/18 during the second long shutdown of the LHC (LS2). A major motivation for this upgrade is to extend the physics reach for charmed and beauty particles down to low…

We report the design and characterization of a CMOS pixel direct charge sensor, Topmetal-II-, fabricated in a standard 0.35um CMOS Integrated Circuit process. The sensor utilizes exposed metal patches on top of each pixel to directly…

Instrumentation and Detectors · Physics 2015-12-23 Mangmang An , Chufeng Chen , Chaosong Gao , Mikyung Han , Rong Ji , Xiaoting Li , Yuan Mei , Quan Sun , Xiangming Sun , Kai Wang , Le Xiao , Ping Yang , Wei Zhou

The successful detection of biomolecules by a Field Effect Transistor-based biosensor (BioFET) is dictated by the sensor's intrinsic Signal-to-Noise Ratio (SNR). The detection limit of a traditional BioFET is fundamentally limited by…

Applied Physics · Physics 2019-07-24 Nicolò Zagni , Paolo Pavan , Muhammad Ashraf Alam

A well-balanced detector with high sensitivity and low noise is presented in this paper. The two-stage amplification structure is used to increase electronic gain while keeping an effective bandwidth of about 70 MHz. In order to further…

Instrumentation and Detectors · Physics 2018-06-13 Qi-Ming Lu , Qi Shen , Yuan Cao , Sheng-Kai Liao , Cheng-Zhi Peng

We present the noise performance of High Electron Mobility Transistors (HEMT) developed by CNRS-C2N laboratory. Various HEMT's gate geometries with 2 pF to 230 pF input capacitance have been studied at 4 K. A model for both voltage and…

Instrumentation and Detectors · Physics 2019-12-05 A. Juillard , J. Billard , D. Chaize , J-B Filippini , D. Misiak , L. Vagneron , A. Cavanna , Q. Dong , Y. Jin , C. Ulysse , A. Bounab , X. de la Broise , C. Nones , A. Phipps

This work presents the 8-channel FastIC+, a low-power consumption and highly configurable multi-channel front-end ASIC with internal digitization, for the readout of photo-sensors with picosecond time resolution and intrinsic gain. This…

Quantum computers require interfaces with classical electronics for efficient qubit control, measurement and fast data processing. Fabricating the qubit and the classical control layer using the same technology is appealing because it will…

Mesoscale and Nanoscale Physics · Physics 2018-05-16 S. Schaal , S. Barraud , J. J. L. Morton , M. F. Gonzalez-Zalba

We report on the characterization of four Teledyne Imaging Systems HAWAII Hybrid Si CMOS detectors designed for X-ray detection. Three H1RG detectors were studied along with a specially configured H2RG. Read noise measurements were…

Instrumentation and Methods for Astrophysics · Physics 2015-06-15 Zachary Prieskorn , Christopher V. Griffith , Stephen D. Bongiorno , Abraham D. Falcone , David N. Burrows
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