Publicaties
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Hybrid PZT/Si TM/TE electro-optic phase modulators Universiteit Gent
Optimization of hybrid PZT/Si electro-optic phase modulators Universiteit Gent
Wavelength locking of a Si ring modulator using an integrated drop-port OMA monitoring circuit KU Leuven
© 2016 IEEE. Silicon micro-ring modulators have the potential to enable energy efficient, high-bandwidth-density optical interconnects in CMOS compatible silicon technologies. However, their operation is highly susceptible to any thermal, laser wavelength or process variations and, as such, require a feedback control system for guaranteeing stable modulation. This paper demonstrates wavelength locking of a hybrid CMOS-silicon photonics ...
A 108 dB DR Δ n-ary sumation - n-ary sumation M Front-End With 720 mVpp Input Range and >±300 mV Offset Removal for Multi-Parameter Biopotential Recording KU Leuven
The recording of biopotential signals using techniques such as electroencephalography (EEG) and electrocardiography (ECG) poses important challenges to the design of the front-end readout circuits in terms of noise, electrode DC offset cancellation and motion artifact tolerance. In this paper, we present a 2nd-order hybrid-CTDT Δ∑-∑ modulator front-end architecture that tackles these challenges by taking advantage of the over-sampling and ...
Wavelenght Locking of a Si Ring Modulator using an Integrated Drop-Port OMA Monitoring Circuit KU Leuven
© 2015 IEEE. We demonstrate wavelength locking of a hybrid C MOS-silicon photonics ring-based transmitter through direct monitoring of the optical modulation amplitude (OMA) at the drop port of the ring modulator. The OMA is read from a Ge photodetector by a low-power 40nm CMOS circuit, which subsequently drives a feed-back loop that controls the modulator temperature using an integrated heater. OMA stabilization is demonstrated under abrupt ...
A 4×20Gb/s WDM ring-based hybrid CMOS silicon photonics transceiver KU Leuven
© 2015 IEEE. Silicon photonics (SiPh) has been identified as a prime technology targeting cost-effective short-range optical links [1]. Wavelength-division multiplexing (WDM) is an attractive approach for enabling high aggregate transceiver bandwidth without increasing the number of optical fibers used in the link. Ring-based optical modulators and wavelength-selective filters are attractive devices for scalable WDM SiPh transceivers owing to ...
Hybrid 14nm FinFET - Silicon Photonics Technology for Low- Power Tb/s/mm(2) Optical I/O KU Leuven
© 2018 IEEE. We demonstrate a microbump flip-chip integrated 14nm-FinFET CMOS-Silicon Photonics (SiPh) technology platform enabling ultra-low power Optical I/O transceivers with 1.6Tb/s/mm2 bandwidth density. The transmitter combines a differential FinFET driver with a Si ring modulator, enabling 40Gb/s NRZ optical modulation at 154fJ/bit dynamic power consumption in a 0.015mm2 footprint. The receiver combines a FinFET trans-impedance amplifier ...
Machine learning-based model categorization using textual and structural features Universiteit Antwerpen
Model Driven Engineering (MDE), where models are the core elements in the entire life cycle from the specification to maintenance phases, is one of the promising techniques to provide abstraction and automation. However, model management is another challenging issue due to the increasing number of models, their size, and their structural complexity. So that the available models should be organized by modelers to be reused and overcome the ...