Georg Winzer
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View article: European Partnership in Metrology Project: Photonic and Quantum Sensors for Practical Integrated Primary Thermometry (PhoQuS-T)
European Partnership in Metrology Project: Photonic and Quantum Sensors for Practical Integrated Primary Thermometry (PhoQuS-T) Open
Current temperature sensors require regular recalibration to maintain reliable temperature measurement. Photonic/quantum-based approaches have the potential to radically change the practice of thermometry through provision of in situ trace…
View article: Wafer-Scale Experimental Determination of Coupling and Loss for Photonic Integrated Circuit Design Optimisation
Wafer-Scale Experimental Determination of Coupling and Loss for Photonic Integrated Circuit Design Optimisation Open
We investigate integrated silicon ring resonators with regard to the influence of design parameters and intra-wafer variations. First, we show the effect of different ring radii and gaps between ring and bus waveguide on optical properties…
View article: High-speed optical transceiver integrated chipset and module for on-board VCSEL-based satellite optical interconnects
High-speed optical transceiver integrated chipset and module for on-board VCSEL-based satellite optical interconnects Open
We present the fabrication and testing of a prototype high-speed, quad-channel mid-board optics transceiver chipset and module applicable to VCSEL-based intra-satellite optical interconnects. The optical transceiver (OTRx) chipset comprise…
View article: Photonic and Optomechanical Thermometry
Photonic and Optomechanical Thermometry Open
Temperature is one of the most relevant physical quantities that affects almost all processes in nature. However, the realization of accurate temperature standards using current temperature references, like the triple point of water, is di…
View article: Erratum to: Photonic contact thermometry using silicon ring resonators and tuneable laser-based spectroscopy
Erratum to: Photonic contact thermometry using silicon ring resonators and tuneable laser-based spectroscopy Open
Figure 12: Amplitude spectral density of the surface temperature of the thermostat platform (red) together with the laser wavelength changes converted to mK (using the coefficient 72.3 pm/K).Optical amplitude noise of the laser power witho…
View article: H2020-SPACE-ORIONAS Miniaturized optical transceivers for high-speed optical inter-satellite links
H2020-SPACE-ORIONAS Miniaturized optical transceivers for high-speed optical inter-satellite links Open
The European H2020-SPACE-ORIONAS project targets the development of optical transceiver and amplifier integrated circuits and modules applicable to high-speed and compact laser communication terminals. This paper presents the most recent p…
View article: H2020-SPACE-ORIONAS miniaturized optical transceivers and amplifiers for high-speed optical inter-satellite links
H2020-SPACE-ORIONAS miniaturized optical transceivers and amplifiers for high-speed optical inter-satellite links Open
The European H2020-SPACE-ORIONAS project targets the development of optical\ntransceiver and amplifier integrated circuits and modules applicable to\nhigh-speed and compact laser communication terminals. This paper presents the\nmost recen…
View article: H2020-SPACE-ORIONAS Miniaturized optical transceivers for high-speed optical inter-satellite links
H2020-SPACE-ORIONAS Miniaturized optical transceivers for high-speed optical inter-satellite links Open
The European H2020-SPACE-ORIONAS project targets the development of optical transceiver and amplifier integrated circuits and modules applicable to high-speed and compact laser communication terminals. This paper presents the most recent p…
View article: Toward coherent O-band data center interconnects
Toward coherent O-band data center interconnects Open
Upcoming generations of coherent intra/inter data center interconnects currently lack a clear path toward a reduction of cost and power consumption, which are the driving factors for these data links. In this work, the tradeoffs associated…
View article: Photonic contact thermometry using silicon ring resonators and tuneable laser-based spectroscopy
Photonic contact thermometry using silicon ring resonators and tuneable laser-based spectroscopy Open
Photonic sensors offer the possibility of purely optical measurement in contact thermometry. In this work, silicon-based ring resonators were used for this purpose. These can be manufactured with a high degree of reproducibility and unifor…
View article: The H2020-SPACE-ORIONAS project: “Lasercom-on-chip” for high-speed satellite constellation interconnectivity
The H2020-SPACE-ORIONAS project: “Lasercom-on-chip” for high-speed satellite constellation interconnectivity Open
H2020-SPACE-ORIONAS is a 3-year Research and Innovation Action program funded by the European Commission focusing on the development of compact optical transceiver and amplifier modules applicable to new generation optical inter-satellite …
View article: 56 GBaud O-Band Transmission using a Photonic BiCMOS Coherent Receiver
56 GBaud O-Band Transmission using a Photonic BiCMOS Coherent Receiver Open
We present a photonic BiCMOS coherent receiver dedicated to the O-band and achieve detection at up to 56 GBd using quadrature-phase shift-keying (QPSK) at various optical signal-to-noise ratios (OSNRs). Transmission experiments are perform…
View article: Modular and smooth introduction of photonics in high-throughput communication satellites – perspective of project BEACON
Modular and smooth introduction of photonics in high-throughput communication satellites – perspective of project BEACON Open
In this paper we present a 4-channel silicon photonic true-time delay (TTD) beamformer in which the phase of each channel is automatically adjusted in real-time. Beamforming was demonstrated with a 1 Gb/s QPSK signal carried at 28 GHz. The…
View article: Open-Access Silicon Photonics Platforms in Europe
Open-Access Silicon Photonics Platforms in Europe Open
Offering open-access silicon photonics-based technologies has played a pivotal role in unleashing this technology from research laboratories to industry. Fabless enterprises rely on the open-access of these technologies for their product d…
View article: A BaTiO<sub>3</sub>-Based Electro-Optic Pockels Modulator Monolithically Integrated on an Advanced Silicon Photonics Platform
A BaTiO<sub>3</sub>-Based Electro-Optic Pockels Modulator Monolithically Integrated on an Advanced Silicon Photonics Platform Open
To develop a new generation of high-speed photonic modulators on\nsilicon-technology-based photonics, new materials with large Pockels\ncoefficients have been transferred to silicon substrates. Previous approaches\nfocus on realizing stand…
View article: Dimensioning of a multibeam coherent photonic beamformer fed by a phased array antenna
Dimensioning of a multibeam coherent photonic beamformer fed by a phased array antenna Open
The design and dimensioning of a photonic-aided payload for a multi-beam high-throughput communications satellite is a complex problem in which the antenna, RF and photonic subsystems must be considered as a whole for achieving best perfor…
View article: Coherent photonic beamformer for a Ka-band phased array antenna receiver implemented in silicon photonic integrated circuit
Coherent photonic beamformer for a Ka-band phased array antenna receiver implemented in silicon photonic integrated circuit Open
The generation of satellite communications with flexible and efficient transmission of radio signals requires a large number of low interfering beams and a maximum exploitation of the available frequency spectrum.
View article: Monolithically Integrated High-Extinction-Ratio MZM With a Segmented Driver in Photonic BiCMOS
Monolithically Integrated High-Extinction-Ratio MZM With a Segmented Driver in Photonic BiCMOS Open
In this letter, a dual-drive Si depletion-type Mach–Zehnder modulator (MZM) monolithically integrated with a segmented driver using 0.25- SiGe:C photonic bipolar complementary metal–oxide–semiconductor technology is demonstrated. The phas…