Daniel Benedikovič
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View article: Polarization independent silicon micro antenna based on a subwavelength metamaterial
Polarization independent silicon micro antenna based on a subwavelength metamaterial Open
Optical antennas are key components of an optical phased array system, enabling light coupling between the chip and the free space. In such systems, surface gratings are commonly used as antenna elements, which however suffer from a strong…
View article: High-efficiency self-focusing metamaterial grating coupler in silicon nitride with amorphous silicon overlay
High-efficiency self-focusing metamaterial grating coupler in silicon nitride with amorphous silicon overlay Open
Efficient fiber-chip coupling interfaces are critically important for integrated photonics. Since surface gratings diffract optical signals vertically out of the chip, these couplers can be placed anywhere in the circuit allowing for wafer…
View article: Polarization independent silicon grating antenna based on sub-wavelength metamaterials
Polarization independent silicon grating antenna based on sub-wavelength metamaterials Open
Optical antennas are key components of an optical phased array system, enabling light coupling between the chip and the free space. In such systems, surface gratings are commonly used as antenna elements, which however suffer from a strong…
View article: Optimized polarization insensitive grating antenna in the SOI platform
Optimized polarization insensitive grating antenna in the SOI platform Open
International audience
View article: Impact of Reducing Statistically Small Population Sampling on Threshold Detection in FBG Optical Sensing
Impact of Reducing Statistically Small Population Sampling on Threshold Detection in FBG Optical Sensing Open
Many techniques have been studied for recovering information from shared media such as optical fiber that carries different types of communication, sensing, and data streaming. This article focuses on a simple method for retrieving the tar…
View article: High-Efficiency Metamaterial-Engineered Grating Couplers for Silicon Nitride Photonics
High-Efficiency Metamaterial-Engineered Grating Couplers for Silicon Nitride Photonics Open
Silicon nitride (Si3N4) is an ideal candidate for the development of low-loss photonic integrated circuits. However, efficient light coupling between standard optical fibers and Si3N4 chips remains a significant challenge. For vertical gra…
View article: Impact of Reducing Statistically Small Population Sampling on 2 Threshold Detection in FBG Optical Sensing
Impact of Reducing Statistically Small Population Sampling on 2 Threshold Detection in FBG Optical Sensing Open
Statistical denoising techniques have been well studied, however many challenges still remain. This 9 article focuses on determining the least necessary number of significant samples in a statistical pop-10 ulation sampling, while minimizi…
View article: Subwavelength engineering of silicon photonics for nonlinear and optomechanical applications
Subwavelength engineering of silicon photonics for nonlinear and optomechanical applications Open
International audience
View article: Controlling the Modal Confinement in Silicon Nanophotonic Waveguides through Dual‐Metamaterial Engineering
Controlling the Modal Confinement in Silicon Nanophotonic Waveguides through Dual‐Metamaterial Engineering Open
Flexible control of the modal confinement in silicon photonic waveguides is an appealing feature for many applications, including sensing and hybrid integration of active materials. In most cases, strip waveguides are the preferred solutio…
View article: Neural-Network-Optimized Vehicle Classification Using Clustered Image and Fiber-Sensor Datasets
Neural-Network-Optimized Vehicle Classification Using Clustered Image and Fiber-Sensor Datasets Open
Internet of Things (IoT) becomes indispensable for transport and automotive industry to advance functions in on-road traffic monitoring. Indeed, smart management tools and machine learning concepts are inevitable in vehicle categorization …
View article: Efficient single-etch surface grating couplers in silicon nitride platforms for telecom and datacom wavebands
Efficient single-etch surface grating couplers in silicon nitride platforms for telecom and datacom wavebands Open
We present designs and experiments of single-etched amorphous silicon (α-Si) surface grating couplers on a silicon nitride (SiN) waveguide, operating at the telecom ( C -band) and datacom ( O -band) wavebands. SiN-only grating couplers dem…
View article: Circular Optical Phased Array with Large Steering Range and High Resolution
Circular Optical Phased Array with Large Steering Range and High Resolution Open
Light detection and ranging systems based on optical phased arrays and integrated silicon photonics have sparked a surge of applications over the recent years. This includes applications in sensing, free-space communications, or autonomous…
View article: Circular Optical Phased Arrays with Radial Nano-Antennas
Circular Optical Phased Arrays with Radial Nano-Antennas Open
On-chip optical phased arrays (OPAs) are the enabling technology for diverse applications, ranging from optical interconnects to metrology and light detection and ranging (LIDAR). To meet the required performance demands, OPAs need to achi…
View article: Silicon-germanium photodetectors for energy-aware chip-scale communications
Silicon-germanium photodetectors for energy-aware chip-scale communications Open
International audience
View article: Subwavelength engineering of silicon photonics for nonlinear applications
Subwavelength engineering of silicon photonics for nonlinear applications Open
International audience
View article: Performant on-chip photonic detectors with lateral p-i-n silicon-germanium heterojunctions
Performant on-chip photonic detectors with lateral p-i-n silicon-germanium heterojunctions Open
International audience
View article: Dispersive wave control enabled by silicon metamaterial waveguides
Dispersive wave control enabled by silicon metamaterial waveguides Open
The ability to exploit the on-chip nonlinear generation of new frequencies has opened the door to a plethora of applications in fundamental and applied physics. Excitation of dispersive waves is a particularly interesting process that allo…
View article: Integrated optical phased arrays with circular architecture on a silicon platform
Integrated optical phased arrays with circular architecture on a silicon platform Open
Optical phased arrays (OPAs) are now at the forefront of photonic research as a key beam steering technology for myriad of photonic applications, including in light detection and ranging (LIDAR), communications, and metrology, among others…
View article: Silicon-Germanium Avalanche Receivers With fJ/bit Energy Consumption
Silicon-Germanium Avalanche Receivers With fJ/bit Energy Consumption Open
Fast, low-noise and sensitive avalanche photo-receivers are needed for surging short-reach photonic applications. Limitations concerning bandwidth, throughput and energy consumption should be overcome. In this work, we comprehensively stud…
View article: High-speed silicon-germanium photodetectors for chip-scale photonic interconnects
High-speed silicon-germanium photodetectors for chip-scale photonic interconnects Open
International audience
View article: Shaping the modal confinement in silicon nanophotonic waveguides through dual-metamaterial engineering
Shaping the modal confinement in silicon nanophotonic waveguides through dual-metamaterial engineering Open
Flexible control of the modal confinement in silicon photonic waveguides is an appealing feature for many applications, including sensing and hybrid integration of active materials. In most cases, strip waveguides are the preferred solutio…
View article: Heterostructured silicon-germanium-silicon p-i-n avalanche photodetectors for chip-integrated optoelectronics -INVITED
Heterostructured silicon-germanium-silicon p-i-n avalanche photodetectors for chip-integrated optoelectronics -INVITED Open
Optical photodetectors are at the forefront of photonic research since the rise of integrated optics. Photodetectors are fundamental building blocks for chip-scale optoelectronics, enabling conversion of light into an electrical signal. Su…
View article: Impact of Wind Gust on High-Speed Characteristics of Polarization Mode Dispersion in Optical Power Ground Wire Cables
Impact of Wind Gust on High-Speed Characteristics of Polarization Mode Dispersion in Optical Power Ground Wire Cables Open
Polarization mode dispersion is recognized as a key factor limiting optical transmission systems, particularly those fiber links that run at bit rates beyond 10 Gbps. In-line test and characterization of polarization mode dispersion are th…
View article: Silicon–germanium receivers for short-wave-infrared optoelectronics and communications
Silicon–germanium receivers for short-wave-infrared optoelectronics and communications Open
Integrated silicon nanophotonics has rapidly established itself as intriguing research field, whose outlets impact numerous facets of daily life. Indeed, nanophotonics has propelled many advances in optoelectronics, information and communi…
View article: Controlling the propagation of light and sound in silicon waveguides by means of subwavelength nanostructuration
Controlling the propagation of light and sound in silicon waveguides by means of subwavelength nanostructuration Open
International audience
View article: Silicon-germanium p-i-n photodiodes with double heterojunction: high-speed operation at 10 Gbps and beyond
Silicon-germanium p-i-n photodiodes with double heterojunction: high-speed operation at 10 Gbps and beyond Open
International audience
View article: 40 Gbps heterostructure germanium avalanche photo receiver on a silicon chip
40 Gbps heterostructure germanium avalanche photo receiver on a silicon chip Open
Photodetectors are cornerstone components in integrated optical circuits and are essential for applications underlying modern science and engineering. Structures harnessing conventional crystalline materials are typically at the heart of s…
View article: Strain induced Pockels effect in silicon for electro-optic modulation
Strain induced Pockels effect in silicon for electro-optic modulation Open
The strong evolution of silicon photonics towards very low power consumption circuits leads to the development of new strategies for photonic devices, especially for power-hungry components such as optical modulators. One strategy is to us…
View article: Silicon chip-integrated fiber couplers with sub-decibel loss
Silicon chip-integrated fiber couplers with sub-decibel loss Open
Silicon nanophotonics represents a scalable route to deploy complex optical integrated circuits for multifold applications, markets, and end-users. Most recently, applications such as optical communications and interconnects, sensing, as w…