Chris G. H. Roeloffzen

6G Transceiver and Radio Design

Ahmad Nimr, Luis González, Tommy Svensson, Italo Atzeni et autres

This chapter presents a comprehensive overview of the sixth-generation (6G) transceivers and radio design, emphasizing a value-based and holistic approach that balances performance with sustainability, adaptability, and scalability. At the core of the radio system, the transceiver must support diverse use cases, …

de, es, se, fi, be, it, dk, gr, fr, gb, nl (code pays fourni par la source)

Reconfigurable microwave photonics filters on an Si 3 N 4 -based TriPleX PIC platform: design, realization and testing

Chris G. H. Roeloffzen, Charoula Mitsolidou, Arjan Meijerink, Roelof Bernardus Timens et autres

nl, es (code pays fourni par la source)

Blass Matrix-Based Optical Beamforming Network for Single- and Multi-Beam Operation on a Silicon Nitride Photonic Integrated Circuit

Eva Loukisa, Efstathios Andrianopoulos, Georgios Megas, Adam Raptakis et autres

This work presents the first experimental system evaluation of a hybrid-integrated 4×4 optical beamforming network (OBFN) based on the Blass Matrix architecture employing modulated microwave signals, evaluating the capability of generation and steering of one (single-beam) and two (multi-beam) independent beams. The …

gr, nl (code pays fourni par la source)

Towards a Steerable Optical Wireless Integrated Sensing and Communication System

John Cosmas, Kareem Ali, Adam Kapovits, Anastasius Gavras et autres

This paper presents a potential beamsteered 5G/6G Compliant Optical Wireless Communication cell free network solution for facilitating longer propagation distances, wider coverage areas and more accurate and reliable indoor localization, which is realised using a combination of VCSELs Infra-red source and Integrated …

gb, fr, gr, es, nl (code pays fourni par la source)

Photonic-based Multi-Beam Forming and Steering for a Synthetic Aperture Radar Receiver

Ahmad W. Mohammad, Maarten Eijkel, Chris G. H. Roeloffzen, Paul W. Van Dijk et autres

This paper presents the procedure and the results of multi-beam beamforming and steering experiments on SPACEBEAM hybrid photonic integrated module, which is the first photonics-assisted scan on receive synthetic aperture radar (SCORE-SAR) receiver module intended for earth observation from space. The hybrid …

nl, it (code pays fourni par la source)

Reconfigurable integrated microwave photonic filters

Chris G. H. Roeloffzen, Charoula Mitsolidou, Marcel Hoekman, Carlos Ruiz Pineda et autres

Filters are key components in microwave photonics and placed at various positions in the optical path of the analog optical link. One prominent position is the selection of one of the sidebands of the modulated signal, because the processing is usually performed …

nl, es (code pays fourni par la source)

Hybrid FSO/mmWave Industry 5.0 System Enabled by Ultra-Fast Tunable PZT-Based External Cavity Laser

Evrydiki Kyriazi, Ilka Visscher, Panagiotis N. Toumasis, Giorgos Megas et autres

We demonstrate a hybrid FSO/mmWave system tailored, but not limited to Industry 5.0 applications, enabled by a sub-μs tunable PZT-based laser. Experimental results confirm reliable modulation over 5 km fiber and 5 m wireless links, highlighting potential for scalable, low-latency hybrid communication …

gr, nl, fr (code pays fourni par la source)

Multi-optical carrier generation with a hybrid integrated Si3N4 laser assembly module for flexible satellite payloads

Alberto Zarzuelo, Charoula Mitsolidou, Luis González-Guerrero, Robinson Cruzoe Guzman et autres

es, nl (code pays fourni par la source)

Optical single sideband (SSB) lattice filter enabling a microwave photonic demultiplexer architecture for satellite payloads

Charoula Mitsolidou, Carlos Alfredo Ruiz Pineda, Roelof Bernardus Timens, Alberto Zarzuelo et autres

We present recent advances on a Microwave Photonic (MWP) Tunable Demultiplexer (DEMUX) system for satellite payloads in the Ka-, Q- and V-band. Particularly, we demonstrate a microwave photonic Single Sideband – Carrier Re-Injection (SSB-CRI) filter, fabricated with low-loss TriPleX® silicon nitride waveguides …

nl, es (code pays fourni par la source)

High power wavelength tunable external cavity laser for optical transmission

Ilka Visscher, Arjan Meijerink, Roel Botter, M. Zafar et autres

We report a novel hybrid integrated photonic wavelength-tunable laser for transmitter applications. The device combines two photonic integrated circuit (PIC) technologies, Indium Phosphide (InP) and TriPleX® silicon nitride (Si3N4), to realize a high-power laser. The laser comprises one semiconductor optical amplifier (SOA), …

nl, gr (code pays fourni par la source)

Reconfigurable microwave photonic demultiplexer filter based on integrated coupled ring resonators for flexible and broadband satellite payloads

Charoula Mitsolidou, Roelof Bernardus Timens, Carlos Alfredo Ruiz Pineda, Marcel Hoekman et autres

We demonstrate a novel four-channel microwave photonic demultiplexer fabricated in the Si3N4 TriPleX® waveguide platform. The demultiplexer allows for a fully reconfigurable passband bandwidth (BW), ranging from 42 MHz to 1.5 GHz, and central frequency tunability spanning in the whole Ka, Q …

nl, es (code pays fourni par la source)

InP/Si3N4 Hybrid Integrated Lasers for RF Local Oscillator Signal Generation in Satellite Payloads

Jessica César-Cuello, Alberto Zarzuelo, Robinson Cruzoe Guzman, Charoula Mitsolidou et autres

This paper presents an integrated tunable hybrid multi-laser module designed to simultaneously generate multiple radiofrequency (RF) local oscillator (LO) signals through optical heterodyning. The device consists of five hybrid InP/Si3N4 integrated lasers, each incorporating an intracavity wavelength-selective optical filter formed by two …

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