Publications by Chunmin Zhang | EPFL Graph Search

Optimization of X-mode electron cyclotron current drive in high-electron-temperature plasma in the EAST tokamak

A discharge with electron temperature up to 14 keV has been achieved in EAST. Analysis of the electron cyclotron current drive (ECCD) efficiency at high electron temperature under EAST parameters is presented using C3PO/LUKE code. Simulation results show t ...

2023

2023 Roadmap on molecular modelling of electrochemical energy materials

Alfredo Pasquarello, Chunmin Zhang, Assil Bouzid

New materials for electrochemical energy storage and conversion are the key to the electrification and sustainable development of our modern societies. Molecular modelling based on the principles of quantum mechanics and statistical mechanics as well as em ...

Iop Publishing Ltd2023

AIFORE: Smart Fuzzing Based on Automatic Input Format Reverse Engineering

Chunmin Zhang, Mathias Josef Payer, Zhiyao Feng, Ji Shi

Knowledge of a program's input format is essential for effective input generation in fuzzing. Automated input format reverse engineering represents an attractive but challenging approach to learning the format. In this paper, we address several challenges ...

Usenix Assoc2023

Measurement of the Z boson production cross-section in proton-lead collisions at root(NN)-N-s=8.16 TeV

Ian William Marison, Aurelio Bay, François Fleuret, Eliazar Rodriguez Garcia, Fabiano Colpo, Tatsuya Nakada, Guido Haefeli, Olivier Schneider, Xiaoqiang Wang, Valérie Jeanne Thérèse Renaudin-Schouler, I-Chun Lin, Mingkui Wang, Frédéric Blanc, Lesya Shchutska, Basil Andrew Stansfield Davis, Liang Sun, Marco Guarise, Chao Wang, Achille Mauri, Mercedes Hannelore Rittmann-Frank, Xiaoqing Zhou, Craig Matthew Smith, Huizhen Liu, Yang Zou, Chia-Chun Chen, Simone Meloni, Chunmin Zhang, Remy Jean Henry Albrecht, Maxim Karpov, Michael Thompson McCann, Yi Zhang, Arnout Lodewijk M Beckers, John Martin Kolinski

This article presents the first measurement of the differential Z-boson production cross-section in the forward region using proton-lead collisions with the LHCb detector. The dataset was collected at a nucleon-nucleon centre-of-mass energy of root(NN)-N-s ...

Springer Nature2023

Amplitude analysis of the D+-> pi(-)pi(+)pi(+) decay and measurement of the pi(-)pi(+) S-wave amplitude

Ian William Marison, Aurelio Bay, François Fleuret, Eliazar Rodriguez Garcia, Fabiano Colpo, Tatsuya Nakada, Guido Haefeli, Olivier Schneider, Xiaoqiang Wang, Valérie Jeanne Thérèse Renaudin-Schouler, I-Chun Lin, Mingkui Wang, Frédéric Blanc, Lesya Shchutska, Basil Andrew Stansfield Davis, Liang Sun, Marco Guarise, Chao Wang, Achille Mauri, Mercedes Hannelore Rittmann-Frank, Xiaoqing Zhou, Craig Matthew Smith, Huizhen Liu, Yang Zou, Chia-Chun Chen, Simone Meloni, Chunmin Zhang, Remy Jean Henry Albrecht, Maxim Karpov, Michael Thompson McCann, Yi Zhang, Arnout Lodewijk M Beckers, John Martin Kolinski

An amplitude analysis of the D+-> (-)pi(+)pi(+) decay is performed with a sample corresponding to 1.5 fb(-1) of integrated luminosity of pp collisions at a centre-of-mass energy root s = 8 TeV collected by the LHCb detector in 2012. The sample contains app ...

Springer Nature2023

A 256x128 3D-Stacked (45nm) SPAD FLASH LiDAR with 7-Level Coincidence Detection and Progressive Gating for 100m Range and 10klux Background Light

Edoardo Charbon, Chunmin Zhang, Preethi Padmanabhan, Myung Jae Lee, Baris Can Efe, Augusto Ronchini Ximenes

IEEE2021

A Generalized EKV Charge-based MOSFET Model Including Oxide and Interface Traps

Christian Enz, Farzan Jazaeri, Chunmin Zhang

This paper presents a generalized charge-based EKV MOSFET model that includes the effects of trapped charges in the bulk oxide and at the silicon/oxide interface. It is shown that in the presence of oxide- and interface-trapped charges, the mobile charge d ...

2021

Characterization and Modeling of Total Ionizing Dose Effects on Nanoscale MOSFETs for Particle Physics Experiments

Chunmin Zhang

Total ionizing radiation compromises electrical characteristics of microelectronic devices and even causes functional failures of integrated circuits. It has been identified as a potential threat to electronic components, especially those in high-energy ph ...

EPFL2021

Multimodal imaging combining time-domain near-infrared optical tomography and continuous-wave fluorescence molecular tomography

Edoardo Charbon, Scott Anthony Lindner, Jingjing Jiang, Chunmin Zhang, Martin Wolf, Markus Rudin

Fluorescence molecular tomography (FMT) emerges as a powerful non-invasive imaging tool with the ability to resolve fluorescence signals from sources located deep in living tissues. Yet, the accuracy of FMT reconstruction depends on the deviation of the as ...

2020

Image reconstruction for novel time domain near infrared optical tomography: towards clinical applications

Edoardo Charbon, Scott Anthony Lindner, Jingjing Jiang, Chunmin Zhang, Martin Wolf

Near infrared optical tomography (NIROT) is an emerging modality that enables imaging the oxygenation of tissue, which is a biomarker of tremendous clinical relevance. Measuring in reflectance is usually required when NIROT is applied in clinical scenarios ...

2020

Time-Resolved NIROT 'Pioneer' System for Imaging Oxygenation of the Preterm Brain: Preliminary Results

Edoardo Charbon, Scott Anthony Lindner, Jingjing Jiang, Chunmin Zhang, Matthias Wolf

In preterm infants, there is a risk of long-term cognitive, motor and behavioral impairments due to hemorrhagic and/or ischemic lesions. If detected early, lesions can be prevented. A bedside imaging modality, capable of early detection of both disorders, ...

SPRINGER INTERNATIONAL PUBLISHING AG2020

Modeling and Analysis of a Direct Time-of-Flight Sensor Architecture for LiDAR Applications

Edoardo Charbon, Chunmin Zhang, Preethi Padmanabhan

Direct time-of-flight (DTOF) is a prominent depth sensing method in light detection and ranging (LiDAR) applications. Single-photon avalanche diode (SPAD) arrays integrated in DTOF sensors have demonstrated excellent ranging and 3D imaging capabilities, ma ...

2019

A 30-frames/s, 252 x 144 SPAD Flash LiDAR With 1728 Dual-Clock 48.8-ps TDCs, and Pixel-Wise Integrated Histogramming

Edoardo Charbon, Juan Mata Pavia, Scott Anthony Lindner, Ivan Michel Antolovic, Chunmin Zhang, Martin Wolf

A 252 x 144 single-photon avalanche diode (SPAD) pixel sensor, called Ocelot, is reported for light detection and ranging (LiDAR). The sensor, fabricated in the 180-nm CMOS technology, features 1728 12-bit time-to-digital converters (TDCs) with 48.8-ps res ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2019

A Close-in LiDAR for Diffusive Media based on a 32 × 32 CMOS SPAD Image Sensor

Claudio Bruschini, Edoardo Charbon, Scott Anthony Lindner, Chunmin Zhang, Martin Wolf

2019

A CMOS SPAD Imager with Collision Detection and 128 Dynamically Reallocating TDCs for Single-Photon Counting and 3D Time-of-Flight Imaging

Edoardo Charbon, Scott Anthony Lindner, Ivan Michel Antolovic, Chunmin Zhang, Martin Wolf

Per-pixel time-to-digital converter (TDC) architectures have been exploited by single-photon avalanche diode (SPAD) sensors to achieve high photon throughput, but at the expense of fill factor, pixel pitch and readout efficiency. In contrast, TDC sharing a ...

2018

Monolithic SPAD Arrays for High-Performance, Time-Resolved Single-Photon Imaging

Claudio Bruschini, Edoardo Charbon, Samuel Burri, Scott Anthony Lindner, Ivan Michel Antolovic, Chunmin Zhang, Martin Wolf, Arin Can Ülkü

SPAD (single-photon avalanche diode) arrays are single-photon sensors, which enable photon counting and unparalleled time-resolved imaging. In this paper, we will detail the architecture and characteristics of three representative SPAD arrays, implemented ...

IEEE2018

A Novel 32 x 32, 224 Mevents/s Time Resolved SPAD Image Sensor for Near-Infrared Optical Tomography

Edoardo Charbon, Juan Mata Pavia, Scott Anthony Lindner, Jingjing Jiang, Ivan Michel Antolovic, Chunmin Zhang, Martin Wolf

To increase the spatial resolution of near-infrared optical tomography, we successfully designed and tested a 32×32 time-resolved SPAD image sensor with unprecedented sensitivity in the near-infrared and fast image acquisition speed. ...

2018

Time Domain Near-Infrared Optical Tomography with Time-of-Flight SPAD Camera: The New Generation

Edoardo Charbon, Juan Mata Pavia, Scott Anthony Lindner, Jingjing Jiang, Chunmin Zhang, Martin Wolf

We present the first laboratory results of the new generation of time domain near-infrared optical tomography setup, which is based on a time-of-flight 32×32 SPAD camera with high photon detection probability in the NIR range. ...

2018

Measurement of eta(c) (1S), eta(c)(2S), and nonresonant eta 'pi(+)pi(-) production via two-photon collisions

Roberto Gargiani, Olivier Schneider, Tagir Aushev, Mingkui Wang, Chao Wang, Yong Chan Choi, Alexandra Bondarenko, Seyed Sina Mirrazavi Salehian, Arnaud Michel Gelb, Chunmin Zhang, Jun Yong Kim, Tara Nanut, Donghyun Kim, Martin Lubej, Lei Li, Ji Hyun Kim, Yiming Li, Xiao Wang

We report the measurement of gamma gamma -> eta(c) (1S) -> eta(c) (2S) -> eta'pi(+)pi(-) with eta' decays to gamma rho and eta pi(+)pi(-) using 941 fb(-1) of data collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The eta(c) ...

American Physical Society2018

Bias Dependence of Total Ionizing Dose Effects on 28-nm Bulk MOSFETs

Christian Enz, Farzan Jazaeri, Chunmin Zhang

This paper investigates the effects of total ionizing dose up to 1 Grad on 28-nm bulk MOSFETs under different bias conditions during irradiation. The aim is to assess the potential use of this commercial bulk CMOS technology in the future high-luminosity L ...

2018