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Yusuf Leblebici

Cette personne n’est plus à l’EPFL

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Publications associées (405)

Superplastic behavior of silica nanowires obtained by direct patterning of silsesquioxane-based precursors

Yusuf Leblebici, Mustafa Yilmaz, Mohammad Nasr Esfahani

Silica nanowires spanning 10 μm-deep trenches are fabricated from different types of silsesquioxane-based precursors by direct e-beam patterning on silicon followed by release through deep reactive ion etching. Nanowire aspect ratios as large as 150 are ac ...

Institute of Physics2017

Self-Heating Effects on the Thermal Noise of Deep Sub-Micron FD-SOI MOSFETs

Yusuf Leblebici

Self-heating effects became more prominent with the introduction of the modern devices like FD-SOI and low thermal conductivity materials such as SiO2. Consequently, the temperature rise of a device due to its self-heating is pronounced more as the gate le ...

2017

Neuromorphic System with Phase-Change Synapses for Pattern Learning and Feature Extraction

Yusuf Leblebici, Stanislaw Andrzej Wozniak, Angeliki Pantazi, Evangelos Eleftheriou

Neuromorphic systems provide biologically inspired methods of computing, alternative to the classical von Neumann approach. In these systems, computation is performed by a network of spiking neurons controlled by the values of their synaptic weights, which ...

2017

Neuromorphic Architecture with 1M Memristive Synapses for Detection of Weakly Correlated Inputs

Yusuf Leblebici, Severin Sidler, Stanislaw Andrzej Wozniak, Angeliki Pantazi, Evangelos Eleftheriou

Neuromorphic computing takes inspiration from the brain to build highly parallel, energy- and area-efficient architectures. Recently, hardware realizations of neurons and synapses using memristive devices were proposed and applied for the task of correlati ...

Ieee-Inst Electrical Electronics Engineers Inc2017

Top-Down Technique for Scaling toNnano in Silicon MEMS

Yusuf Leblebici, Zuhal Tasdemir, Yasin Kilinc, Mustafa Yilmaz

Nanoscale building blocks impart added functionalities to microelectromechanical systems (MEMS). The integration of silicon nanowires with MEMS-based sensors leading to miniaturization with improved sensitivity and higher noise immunity is one example high ...

American Vacuum Society2017

Large Field of View Multi-Camera Endoscopic Apparatus with Omni-Directional Illumination

Yusuf Leblebici, Ömer Cogal

A multi-camera hemispherical very wide field of view imaging apparatus with omnidirectional illumination capability comprises a cylindrical body (4, 4.a, 4.b), a hemispherical mechanical frame (2) arranged on one end of the cylindrical body (4, 4.a, 4.b), ...

2017

An Insect Eye Inspired Miniaturized Multi-Camera System for Endoscopic Imaging

Yusuf Leblebici, Ömer Cogal

In thiswork,we present aminiaturized high definition vision system inspired by insect eyes, with a distributed illumination method, which can work in dark environments for proximity imaging applications such as endoscopy. Our approach is based on modeling ...

Ieee-Inst Electrical Electronics Engineers Inc2017

Reducing circuit design complexity for neuromorphic machine learning systems based on Non-Volatile Memory arrays

Yusuf Leblebici, Alessandro Fumarola

Machine Learning (ML) is an attractive application of Non-Volatile Memory (NVM) arrays [1,2]. However, achieving speedup over GPUs will require minimal neuron circuit sharing and thus highly area-efficient peripheral circuitry, so that ML reads and writes ...

2017

A Time-Division Multiplexing Signaling Scheme for Inter-Symbol/Channel Interference Reduction in Low-Power Multi-Drop Memory Links

Yusuf Leblebici, Seyed Armin Tajalli, Gain Kim, Kiarash Gharibdoust, Chen Cao

A time-division multiplexing (TDM) digital channel coding scheme with inter-symbol interference (ICI) reduction property for multi-drop memory interfaces has been proposed. Shaping the TX spectrum to avoid channel frequency notches, the proposed digital TD ...

Ieee-Inst Electrical Electronics Engineers Inc2017

A 64-Gb/s 1.4-pJ/b NRZ Optical Receiver Data-Path in 14-nm CMOS FinFET

Yusuf Leblebici, Alessandro Cevrero, Lukas Kull, Thomas Toifl, Ilter Ozkaya

A 64-Gb/s high-sensitivity non-return to zero receiver (RX) data-path is demonstrated in the 14-nm-bulk FinFET CMOS technology. To achieve high sensitivity, the RX incorporates a transimpedance amplifier whose gain and bandwidth are co-optimized with a 1-t ...

Institute of Electrical and Electronics Engineers2017

Evolution of oxygen vacancies under electrical characterization for HfOx-based ReRAMs

Yusuf Leblebici, Jury Sandrini, Elmira Shahrabi, Behnoush Attarimashalkoubeh

Recently, studies on ReRAMs and their reliability have received increased attention. The reliability issue is due to the nature of oxygen vacancies behaviour under biasing conditions which necessitate further studies to achieve an in-depth understanding. I ...

2017

Thermal aware design and comparative analysis of a high performance 64-bit adder in FD-SOI and bulk CMOS technologies

Yusuf Leblebici

Thermal behaviours of high-performance digital circuits in bulk CMOS and FDSOI technologies are compared on a 64-bit Kogge-Stone adder designed in 40nm CMOS node. Temperature profiles of the adder in bulk and FDSOI are extracted with thermal simulations an ...

Elsevier Science Bv2017

Unsupervised Learning Using Phase-Change Synapses and Complementary Patterns

Yusuf Leblebici, Severin Sidler, Stanislaw Andrzej Wozniak, Angeliki Pantazi, Evangelos Eleftheriou

Neuromorphic systems using memristive devices provide a brain-inspired alternative to the classical von Neumann processor architecture. In this work, a spiking neural network (SNN) implemented using phase-change synapses is studied. The network is equipped ...

2017

DCT Learning-Based Hardware Design for Neural Signal Acquisition Systems

Yusuf Leblebici, Volkan Cevher, Cosimo Aprile, Luca Baldassarre

This work presents an area and power efficient encoding system for wireless implantable devices capable of monitoring the electrical activity of the brain. Such devices are becoming an important tool for understanding, real-time monitoring, and potentially ...

2017

A Time-Division Multiplexing Signaling Scheme for Low-Power Multi-Drop Memory Links

Yusuf Leblebici, Gain Kim, Kiarash Gharibdoust, Chen Cao

A time-division multiplexing (TDM) digital channel coding scheme for wireline multi-drop interfaces has been proposed. Shaping the TX spectrum to avoid channel frequency notches, the proposed digital TDM signaling reduces inter-symbol interference (ISI) an ...

2017

A Single-chip 2048x1080 Resolution 32fps 380mW Trinocular Disparity Estimation Processor in 28nm CMOS Technology

Yusuf Leblebici, Abdulkadir Akin, Tugba Demirci, Jonathan Emmanuel D Narinx

This paper presents a single-chip trinocular disparity estimation processor, capable of computing in real-time up to 2048×1080 resolution depth maps at 32fps with up to 256-pixel disparity range using two/three CMOS camera sensors. The most important featu ...

2017

A Monolithic Approach to Downscaling Silicon Piezoresistive Sensors

Yusuf Leblebici, Mohammad Nasr Esfahani

Multi-scale integration remains the primary challenge in the fabrication of miniature piezoresistive sensors, as the co-fabrication of a silicon nanowire along with a microscale shuttle is the main architecture facilitating high-sensitivity transduction. T ...

Institute of Electrical and Electronics Engineers2017

A 60 Gb/s 1.9 pJ/bit NRZ Optical-Receiver with Low Latency Digital CDR in 14nm CMOS FinFET

Yusuf Leblebici, Alessandro Cevrero, Lukas Kull, Thomas Toifl, Ilter Ozkaya

This work reports a low power implementation of a 60Gb/s NRZ optical receiver (RX) in 14nm bulk CMOS finFET featuring a first-order digital CDR with high jitter tolerance (JTOL). The design includes a single phase-rotator (PR) with low complexity control l ...

2017

Design and Modeling of Serial Data Transceiver Architecture by Employing Multi-Tone Single-Sideband Signaling Scheme

Yusuf Leblebici, Gain Kim, Kiarash Gharibdoust, Chen Cao, Thierry Barailler

This paper presents the design and analysis of a serial link transceiver (TRX) architecture employing analog multi-tone (AMT) signaling for chip-to-chip communication. Multi-tone single-sideband (SSB) signaling scheme is proposed in TRX architecture in ord ...

Ieee-Inst Electrical Electronics Engineers Inc2017

Monolithic technology for silicon nanowires in high-topography architectures

Yusuf Leblebici, Mustafa Yilmaz, Mohammad Nasr Esfahani

Integration of silicon nanowires (Si NWs) in three-dimensional (3D) devices including integrated circuits (ICs) and microelectromechanical systems (MEMS) leads to enhanced functionality and performance in diverse applications. The immediate challenge to th ...

Elsevier2017

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