Publications related to Small Form-factor Pluggable

Low-Latency High-Bandwidth Circuit and System Design for Trigger Systems in High Energy Physics

The increasing luminosity in HEP (High Energy Physics) colliders demands trigger systems to be more selective. First, more information from the detector is routed to the trigger system. Second, larger parts of this information are processed together. These ...

EPFL2021

Performance of chip-scale optical frequency comb generators in coherent WDM communications

Tobias Kippenberg

Optical frequency combs have the potential to become key building blocks of wavelength-division multiplexing (WDM) communication systems. The strictly equidistant narrow-band spectral lines of a frequency comb can serve either as carriers for parallel WDM ...

2020

Kramers Kronig detection of four 20 Gbaud 16-QAM channels using Kerr combs for a shared phase estimation

Tobias Kippenberg, Maxim Karpov, Martin Hubert Peter Pfeiffer, Arne Kordts, Fatemeh Alishahi, Ahmad Fallahpour

We experimentally demonstrate Kramers-Kronig detection of four 20 Gbaud 16-quadrature-amplitude-modulated (QAM) channels after 50 km fiber transmission using two soliton Kerr combs as signal sources and local oscillators. The estimated carrier phase at the ...

OPTICAL SOC AMER2020

Physical Layer Aspects of LoRa and Full-Duplex Wireless Transceivers

Orion Afisiadis

Wireless communications are currently faced with two main challenges. The first challenge stems from the enormous number of Internet of Things (IoT) devices that transmit very small amounts of data. The second challenge is the need for ever-increasing data ...

EPFL2020

Plug-and-play TOF-PET Module Readout Based on TDC-on-FPGA and Gigabit Optical Fiber Network

Edoardo Charbon, Esteban Venialgo Araujo

Positron Emission Tomography (PET) scanner technology requires the use of a large number of PET detector modules that work in a parallel and synchronous manner. Moreover, system modularity is a desirable feature, that enables technology reutilization for d ...

IEEE2019

TacTiles: Dual-Mode Low-Power Electromagnetic Actuators for Rendering Continuous Contact and Spatial Haptic Patterns in VR

Herbert Shea, Juan José Zarate, Ronan Julien Hinchet

We introduce TacTiles, light (1.8g), low-power (130 mV), and small form -factor (1cm(3)) electromagnetic actuators that can form a flexible haptic array to provide localized tactile feedback. Our novel hardware design uses a custom 8 -layer PCB, dampening ...

IEEE2019

An Eight lanes 7Gb/s/pin Source Synchronous Single-Ended RX with Equalization and Far-End Crosstalk Cancellation for Backplane Channels

Volkan Cevher, Cosimo Aprile, Yusuf Leblebici, Alessandro Cevrero, Lukas Kull, Thomas Toifl

This paper presents a versatile crosstalk cancellation scheme for single-ended multi-lane backplane links. System-level investigations show that a scheme, which combines analog filters and decision-feedback crosstalk compensation on the receiver (RX) side ...

2018

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, Ilter Ozkaya, Thomas Toifl

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

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

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

This work describes a NRZ receiver data-path fabricated in 14nm bulk FinFET technology and characterized in an 850nm VCSEL based optical link up to 64Gb/s. It achieves 1.42pJ/bit energy efficiency while recovering PRBS-7 data (BER< 10-12) modulated by a VC ...

Ieee2017

Broadband single-chip transceivers for compact NMR probes

Marco Grisi

Nuclear magnetic resonance (NMR) is one of the most relevant spectroscopic tools in use today. However, NMR requires relatively expensive and complicated experimental settings given by the combination of high homogeneous magnetic fields and a relatively co ...

EPFL2017

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

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

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

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

A Fully-Digital Spectrum Shaping Signaling for Serial-Data Transceiver with Crosstalk and ISI Reduction Property in Multi-Drop Memory Interfaces

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

An efficient signaling scheme for serial-data transceivers (TRXs) has been proposed, which can properly reduce inter-symbol interference (ISI) and crosstalk (Xtalk) in memory interfaces. The proposed architecture relies on fully-digital implementation rath ...

Ieee2016

Architectural Modeling of a Multi-Tone/Single-Sideband Serial Link Transceiver for Lossy Wireline Data Links

Yusuf Leblebici, Gain Kim

This paper presents a serial link transceiver (TRX) architecture that enables high-speed data transmission over a lossy backplane channel without the presence of equalization circuits. The proposed architecture employs multi-tone signaling to reduce inter- ...

Ieee2016

Length Scale of interface heterogeneities selects propagation mechanism of frictional slip fronts

Jean-François Molinari, David Simon Kammer, Daniel Pino Muñoz

We present three-dimensional finite-element simulations showing the propagation of slip fronts at striped heterogeneous interfaces. The heterogeneous area consists of alternating stripes of weaker and stronger frictional properties, which is equivalent to ...

Elsevier2016

Hybrid NRZ/Multi-Tone Signaling for High-Speed Low-Power Wireline Transceivers

Kiarash Gharibdoust

Over the past few decades, incessant growth of Internet networking traffic and High-Performance Computing (HPC) has led to a tremendous demand for data bandwidth. Digital communication technologies combined with advanced integrated circuit scaling trends h ...

EPFL2016

A 5.9mW/Gb/s 7Gb/s/pin 8-Lane Single-Ended RX with Crosstalk Cancellation Scheme using a XCTLE and 56-tap XDFE in 32nm SOI CMOS

Volkan Cevher, Yusuf Leblebici, Cosimo Aprile, Alessandro Cevrero, Lukas Kull, Ilter Ozkaya, Thomas Toifl

This work reports an 8-lane single-ended RX featuring compact and low power far-end crosstalk (FEXT) cancellation circuits. The RX data-path consists of a cross continuous-time linear equalizer (XCTLE) to remove FEXT by nearest aggressors within the channe ...

2015

Fabrication and performance of 1.3-mu m 10-Gb/s CWDM wafer-fused VCSELs grown by MOVPE

Elyahou Kapon, Grigore Suruceanu, Alexandru Mereuta, Vladimir Iakovlev, Alexei Sirbu, Andrei Caliman, Zlatko Mickovic

Recent progress in the fabrication and performance of 1.3-mu m 10-Gb/s, low power consumption wafer-fused VCSELs grown by MOVPE under nitrogen atmosphere are presented and discussed. By optimization of the growth conditions and implementation of a cavity a ...

Elsevier Science Bv2015

Delivery of ultrashort spatially focused pulses through a multimode fiber for two photon endoscopic imaging

Demetri Psaltis, Christophe Moser, Salma Farahi, Edgar Emilio Morales Delgado

Due to their high number of supported modes, multimode optical fibers carry large amount of spatio-temporal information. However, propagation of a light pulse through a multimode optical fiber suffers from spatial distortions due to superposition of the va ...

Spie-Int Soc Optical Engineering2015

Role of the gate in ballistic nanowire SOI MOSFETs

Christian Enz, Jean-Michel Sallese, Anurag Mangla

In this paper we report the results of Monte-Carlo simulations performed on double-gate ballistic MOSFETs with a geometry such that the gates overlap only a fraction of the channel. We present a qualitative analysis of the simulation results highlighting t ...

Elsevier2015