Research Explorer

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Researcher

Thijs Ullrick

Publications & Research Data

Awards & Distinctions

13 Results

2026

Design of a fabrication-tolerant directional coupler via robust Bayesian optimization

Thijs UllrickYichen LiuJixiang QingyWim BogaertsTom Dhaene

A1 Journal Article in ELECTRONICS LETTERS

2025

Bayesian optimization of microwave filters : a physics-informed approach using the Szegö kernel

Yens LindemansThijs UllrickIvo CouckuytDirk DeschrijverTom Dhaene

Composite delay-informed rational kernel for modeling of electrically long interconnects

Tekalegn Mezemr YihuneThijs UllrickTom DhaeneDries PeumansDomenico Spina

A1 Journal Article in IEEE MICROWAVE AND WIRELESS TECHNOLOGY LETTERS

Efficient modeling and optimization approach for grating-based flow cytometers

Adam BarzanjiThijs UllrickKristof CoolsTom ReepNiels VerellenGunay YurtseverWim Bogaerts

A1 Journal Article in OPTICS EXPRESS

Efficient transmission matrix modeling and optimization of grating-based biosensors

Adam BarzanjiThijs UllrickKristoff CoolsTom ReepNiels VerellenGunay YurtseverWim Bogaerts

KARMA : kernel-aided rational macromodeling of noisy electrical frequency response data

Thijs UllrickDirk DeschrijverWim BogaertsTom Dhaene

A1 Journal Article in IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES

Spectral bayesian optimization using a physics-informed rational Szego kernel for microwave design

Yens LindemansThijs UllrickIvo CouckuytTim PattynDirk DeschrijverDries Vande GinsteTom Dhaene

A1 Journal Article in IEEE TRANSACTIONS ON COMPONENTS PACKAGING AND MANUFACTURING TECHNOLOGY

Wavelength-tunable equivalent circuit models for SPICE-based photonic-electronic co-simulation

Thijs UllrickDirk DeschrijverDomenico SpinaWim BogaertsTom Dhaene

A1 Journal Article in JOURNAL OF COMPUTATIONAL ELECTRONICS

2024

Modeling microwave S-parameters using frequency-scaled rational Gaussian process kernels

Thijs UllrickDirk DeschrijverWim BogaertsTom Dhaene

2023

Modeling and co-simulation framework for multi-wavelength photonic integrated circuits : a wideband complex vector fitting approach

Thijs UllrickDirk DeschrijverWim BogaertsTom Dhaene

Wideband complex vector fitting for modeling time delay variations in passive photonic filters

Thijs UllrickDirk DeschrijverWim BogaertsTom Dhaene

Wideband parametric baseband macromodeling of linear and passive photonic circuits via complex vector fitting

Thijs UllrickDomenico SpinaWim BogaertsTom Dhaene

A1 Journal Article in SCIENTIFIC REPORTS

2022

SPICE-compatible equivalent circuit models for accurate time-domain simulations of passive photonic integrated circuits

Yinghao YeThijs UllrickWim BogaertsTom DhaeneDomenico Spina

A1 Journal Article in JOURNAL OF LIGHTWAVE TECHNOLOGY