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Christian Enz

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Related publications (213)

Page 4 of 11

Charge, Current, and Noise Partitioning in MOSFET in the Presence of Mobility Degradation

Christian Enz, Jean-Michel Sallese, Ananda Sankar Roy

The Ward-Dutton (WD) partitioning scheme is used extensively to develop transient and high-frequency advanced compact models in MOSFET analysis. However, it remains an open question if this scheme can be used for field-dependent mobility that is enhanced i ...

Institute of Electrical and Electronics Engineers2006

Design Considerations of Ferroelectric Properties for Negative Capacitance MOSFETs

Mihai Adrian Ionescu, Christian Enz, Farzan Jazaeri, Ali Saeidi

Impact of physical parameters of ferroelectric layer on the performance of Negative Capacitance (NC) MOSFETs is experimentally studied in this paper. Electrical behaviors of PZT-based and Si:HfO2-based NC-FETs are investigated and discussed. In a PZT-based ...

2018

A correlated multiple sampling passive switched capacitor circuit for low light CMOS image sensors

Christian Enz, Assim Boukhayma

After a brief review of the principle of correlated multiple sampling (CMS) and its implementation techniques in CIS readout chains, a simple CMS passive circuit that (i) requires no additional active circuitry, (ii) has no impact on the output dynamic ran ...

IEEE2015

Partitioning Schemes in the Lateral Asymmetric MOST

Mihai Adrian Ionescu, Christian Enz, Jean-Michel Sallese, Michel Declercq, Ananda Sankar Roy, Yogesh Singh Chauhan

Lateral asymmetric MOSFET, which has longitudinal doping variation in the channel, is the core of high voltage MOSFET. Recently it has been recognized that capacitance property of this kind of device is fundamentally different from conventional MOST becaus ...

2006

Third-harmonic generation monitoring of femtosecond-laser-induced in-volume functional modifications

Christian Enz, Yves Bellouard, Assim Boukhayma, Olivier Bernard, Andrea Kraxner

During the last two decades, ultrafast in-volume laser-based processing of transparent materials has emerged as a key 3D-printing method for manufacturing a variety of complex integrated photonic devices and micro-parts. Yet, identifying suitable laser pro ...

2023

Cryogenic RF Characterization and Simple Modeling of a 22 nm FDSOI Technology

Edoardo Charbon, Christian Enz, Farzan Jazaeri, Hung-Chi Han, Antonio D'Amico

This paper presents the RF characterization and modeling of a 22nm FDSOI technology down to 3.3K for quantum computing applications. The equivalent small-signal components are extracted analytically and automatically from the de-embedded two-port Y -parame ...

IEEE2022

Approximate 32-Bit Floating-Point Unit Design with 53% Power-Area Product Reduction

Christian Enz, Vincent Frédéric Camus, Jérémy Lucien Maurice Schlachter

The floating-point unit is one of the most common building block in any computing system and is used for a huge number of applications. By combining two state-of-the-art techniques of imprecise hardware, namely Gate-Level Pruning and Inexact Speculative Ad ...

Ieee2016

Analytical Modeling of Short-Channel MOSFET Differential Pair Non-Linearity

Christian Enz, Andreas Peter Burg, Catherine Dehollain, Hung-Chi Han

Energy efficiency is of utmost importance in modern applications. Power consumption optimisation could be improved by a comprehensive analytical modeling of the characteristics of critical blocks in a system. Dynamic range (DR) has a strong effect on the p ...

2024

Cryogenic InGaAs HEMTs with Reduced On-Resistance using Strained Ohmic Contacts

Christian Enz, Hung-Chi Han

We present InGaAs HEMTs with optimized cryogenic Ohmic contacts, for low-power qubit readout. We utilize tensile strained contact metals to reduce the barrier resistance, which is a major fraction of RSD, leading to ~50% reduction of RSD at low temperature ...

Institute of Electrical and Electronics Engineers Inc.2023

FM-UWB: Towards a Robust, Low-Power Radio for Body Area Networks

Christian Enz, Vladimir Kopta

The Frequency Modulated Ultra-Wideband (FM-UWB) is known as a low-power, low-complexity modulation scheme targeting low to moderate data rates in applications such as wireless body area networks. In this paper, a thorough review of all FM-UWB receivers and ...

2017

System and Method for Optimization of Digital Circuits with Timing and Behavior Co-Designed by Introduction and Exploitation of False Paths

Christian Enz, Vincent Frédéric Camus, Jérémy Lucien Maurice Schlachter

A digital circuit including a signal path with a false path, whereby the signal path includes at least 3 logic instances, the digital circuit further including a logic monitoring element for monitoring a part of the digital circuit, and for outputting a cu ...

2017

Optical Urea Sensing in Sweat for Kidney Healthcare by Sensitive and Selective Non-enhanced Raman Spectroscopy

Christian Enz, Sandro Carrara, Assim Boukhayma, Ata Jedari Golparvar

Sweat biomarker analysis has attracted much interest in applications ranging from sports to wearable healthcare. Among all the sweat biomolecules, abnormal urea levels have been linked to several complications, particularly renal dysfunction. Here, we repo ...

SPIE-INT SOC OPTICAL ENGINEERING2023

In-depth Cryogenic Characterization of 22 nm FDSOI Technology for Quantum Computation

Edoardo Charbon, Christian Enz, Farzan Jazaeri, Hung-Chi Han, Antonio D'Amico

In this paper, the influence of temperature and back-gate bias is experimentally investigated on 22 nm FDSOI CMOS process. Cryogenic DC characterization was carried out under various back-gate voltages, V back , from 2.95 K back to 300 K. An abrupt drop-of ...

IEEE2021

Compact Modeling of Thermal Noise in the MOS Transistor

Christian Enz, Ananda Sankar Roy

Although some of the recently proposed compact models for thermal noise in MOS transistors exhibit a good match with experimental data, we believe most of the existing compact models suffer from incorrect physical assumptions or modeling (e.g., absence of ...

2005

Design of Approximate Circuits by Fabrication of False Timing Paths: The Carry Cut-Back Adder

Christian Enz, Vincent Frédéric Camus, Jérémy Lucien Maurice Schlachter, Mattia Cacciotti

This paper introduces a novel method for designing approximate circuits by fabricating and exploiting false timing paths, i.e. critical paths that cannot be logically activated. This allows to strongly relax timing constraints while guaranteeing minimal an ...

2018

Common-mode Oscillation in Capacitive Coupled Differential Colpitts Oscillators

Christian Enz, Uroschanit Yodprasit

A simple approach to the realisation of a differential Colpitts oscillator is to connect the grounded capacitor in the feedback network of two single-ended Colpitts oscillators together in series. As the output signals are expected to be differential, it i ...

2007

Characterization and Modeling of 28 nm Bulk CMOS Technology down to Cryogenic Temperatures (4.2 K)

Christian Enz, Arnout Lodewijk M Beckers, Farzan Jazaeri

This paper presents an experimental investigation, compact modeling, and low-temperature physics-based modeling of a commercial 28-nm bulk CMOS technology operating at cryogenic temperatures. The physical and technological parameters are extracted at 300, ...

2018

Data fusion for a hand prosthesis tactile feedback system

Christian Enz, Jörn Justiz, Huaiqi Huang

Current myoelectrically controlled hand prostheses normally lack tactile feedback, thus limiting their functionalities and user acceptance. We propose a non-invasive tactile sensory feedback system, consisting miniaturized sensors, wireless communication m ...

IEEE2014

Comprehensive Design-oriented FDSOI EKV Model

Christian Enz, Hung-Chi Han, Antonio D'Amico

The work presents the comprehensive design-oriented EKV model for FDSOI technologies, including the backgate effects and geometry dependence. Despite its simplicity, the model correctly captures not only the dependence of the threshold voltage versus the b ...

IEEE2022

Accurate RF modeling of nanoscale MOSFET using BSIM6 including low levels of inversion

Christian Enz, Maria-Anna Chalkiadaki

Nanoscale CMOS devices display very high peak transit frequency Ft of several hundreds of GHz. This feature can be exploited for reducing power consumption by shifting the operating point towards moderate or eventually weak inversion where the Ft still rea ...

Elsevier2014