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View article: Programmable and Reconfigurable Photonic Integrated Circuits
Programmable and Reconfigurable Photonic Integrated Circuits Open
Programmable integrated photonics is an emerging field that enables dynamic reconfiguration of on-chip photonic circuits at runtime, for a diverse range of optical functions achieved from a common chip. This chapter presents a detailed ove…
View article: A Two-Dimensional Position and Motion Monitoring System for Preterm Infants Using a Fiber-Optic Pressure-Sensitive Mattress
A Two-Dimensional Position and Motion Monitoring System for Preterm Infants Using a Fiber-Optic Pressure-Sensitive Mattress Open
Monitoring position and movements of preterm infants is important to ensure their well-being and optimal development. This study evaluates the feasibility of a pressure-sensitive fiber-optic mattress (FM), made entirely of plastic, for two…
View article: 800Gbps/λ WDM Metro-Access Network by novel photonic integrated EDWA and SOA-based WSS Nodes
800Gbps/λ WDM Metro-Access Network by novel photonic integrated EDWA and SOA-based WSS Nodes Open
We demonstrate the first high-capacity 800Gbps single-channel WDM metro-access network using photonic-integrated EDWA and 1×4 SOA-based WSS nodes. Results confirm dynamic add/drop switch over multiple nodes with 2.5dB OSNR penalty and 10dB…
View article: Photonic WDM Switches for Multi-Band Optical Networks
Photonic WDM Switches for Multi-Band Optical Networks Open
To meet the increasing demand of high capacity low cost and low power challenges of 6G distribution networks, exploiting multi-band optical fiber transmission (MBT) operation from O to L bands is an attractive solution to significantly imp…
View article: Water-based quantum dots liquid scintillator for particle physics
Water-based quantum dots liquid scintillator for particle physics Open
Liquid scintillators are typically composed from organic compounds dissolved in organic solvents. However, usage of such material is often restricted due to fire safety and environmental reasons. Because of this, R&D of water-based liquid …
View article: Movement Quantification in Preterm Infants: Comparing Motion Extraction from ECG Signals and from Pressure Sensitive Fiber Optics Mat
Movement Quantification in Preterm Infants: Comparing Motion Extraction from ECG Signals and from Pressure Sensitive Fiber Optics Mat Open
Monitoring motion in preterm infants is crucial to evaluating their clinical condition and development. However, no quantitative automated method for continuous motion monitoring is currently clinically available, though innovative methods…
View article: Photonic WDM switches architecture for multi-band optical networks
Photonic WDM switches architecture for multi-band optical networks Open
Addressing the capacity, low cost, and low power challenges of 6G distribution networks, this paper proposes and demonstrates a multi-band optical metro-access network architecture employing semiconductor optical amplifier (SOA)-based wave…
View article: The need to extend CBL courses over longer periods - a test case on a CBL course on IoT
The need to extend CBL courses over longer periods - a test case on a CBL course on IoT Open
We report on our gained insights from the development of a challenge-based learning (CBL) line focusing on entrepreneurship and internet of things (IoT) technology. We observe that student engagement and quality of project work and learnin…
View article: Compact OWC Receiver: Micro-Lens and PD Array on Glass Interposer
Compact OWC Receiver: Micro-Lens and PD Array on Glass Interposer Open
In this article, we propose a compact optical wireless receiver based on micro-lens and photodiode array flip-chipped on a glass interposer. With simulation models and experiments, we verify the performance of two optical wireless communic…
View article: Co-Packaged Optics With Multimode Fiber Interface Employing 2-D VCSEL Matrix
Co-Packaged Optics With Multimode Fiber Interface Employing 2-D VCSEL Matrix Open
We propose and demonstrate a mode-division-multiplexed transmitter by employing a VCSEL-based 2-D matrix and a multi-plane light converter (MPLC). The triangular matrix light spots from VCSELs are designed with a 250-μ pitch in both x- and…
View article: Hybrid Integration of VCSEL and 3-<i>μ</i>m Silicon Waveguide Based on a Monolithic Lens System
Hybrid Integration of VCSEL and 3-<i>μ</i>m Silicon Waveguide Based on a Monolithic Lens System Open
We design an optical interface system for vertical coupling between vertical-cavity surface-emitting lasers (VCSELs) and 3- \\mu \\text{m} silicon waveguides. The system includes a photoresist lens and a total internal reflection mirror, w…
View article: 25.8 Gb/s Submillimeter Optical Data Link Module for Smart Catheters
25.8 Gb/s Submillimeter Optical Data Link Module for Smart Catheters Open
The digitization of smart catheters will dramatically increase the demand for reliable and high data transmission in the distal tips. Optical fiber is a good candidate to provide high-speed data transmission. However, the extremely small s…
View article: Guest Editorial: Special Issue on the 2020 European Conference on Optical Communication
Guest Editorial: Special Issue on the 2020 European Conference on Optical Communication Open
The papers in this special section were presented at the 2020 European Conference on Optical Communication (ECOC) that was virtually hosted in Brussels, Dec. 6-10.
View article: Introduction to the ECOC 2020 Special Issue
Introduction to the ECOC 2020 Special Issue Open
This special issue includes extensions of invited and top-scored optical networking papers that were presented at the European Conference on Optical Communication (ECOC) 2020, held virtually, December 6–10, 2020.
View article: Photonic Integrated Circuits: Reversibly Programmable Photonics via Responsive Polyelectrolyte Multilayer Cladding (Advanced Optical Materials 16/2020)
Photonic Integrated Circuits: Reversibly Programmable Photonics via Responsive Polyelectrolyte Multilayer Cladding (Advanced Optical Materials 16/2020) Open
In article number 2000325, Ilja K. Voets, Oded Raz and co-workers explore a method for programmable photonics using a responsive polyelectrolyte multilayer (PEM) cladding. Reversible swelling of the PEM by consecutive exposure to acidic an…
View article: Reversibly Programmable Photonics via Responsive Polyelectrolyte Multilayer Cladding
Reversibly Programmable Photonics via Responsive Polyelectrolyte Multilayer Cladding Open
Reversibly programmable photonic integrated circuits (PICs) that can facilitate multifunctionality have been long sought after to deliver user‐level design flexibility. Issues like complicated control, continuous power consumption, and hig…
View article: Metastable Refractive Index Manipulation in Hydrogenated Amorphous Silicon for Reconfigurable Photonics
Metastable Refractive Index Manipulation in Hydrogenated Amorphous Silicon for Reconfigurable Photonics Open
Hydrogenated amorphous silicon (a‐Si:H) is known for exhibiting light‐induced metastable properties that are reversible upon annealing. While these are commonly associated with the well‐known deleterious Staebler–Wronski effect in the fiel…
View article: Resist and Transfer Free Patterned CVD Graphene Growth on ALD Molybdenum Carbide Nano Layers
Resist and Transfer Free Patterned CVD Graphene Growth on ALD Molybdenum Carbide Nano Layers Open
Multilayer graphene (MLG) films were grown chemical vapour deposition (CVD) on molybdenum carbide (MoCx) substrates. We fabricated the catalytic MoCx films by plasma enhanced atomic layer deposition. The mechanism of graphene growth is stu…
View article: Resist and Transfer Free Patterned CVD Graphene Growth on ALD Molybdenum Carbide Nano Layers
Resist and Transfer Free Patterned CVD Graphene Growth on ALD Molybdenum Carbide Nano Layers Open
Multilayer graphene (MLG) films were grown chemical vapour deposition (CVD) on molybdenum carbide (MoCx) substrates. We fabricated the catalytic MoCx films by plasma enhanced atomic layer deposition. The mechanism of graphene growth is stu…
View article: Resist and Transfer Free Patterned CVD Graphene Growth on ALD Molybdenum Carbide Nano Layers
Resist and Transfer Free Patterned CVD Graphene Growth on ALD Molybdenum Carbide Nano Layers Open
Multilayer graphene (MLG) films were grown by chemical vapour deposition (CVD) on molybdenum carbide ($MoC_{x}$) substrates. We fabricated the catalytic $MoC_{x}$ films by plasma enhanced atomic layer deposition (PEALD). The mechanism of g…
View article: Resist and Transfer Free Patterned CVD Graphene Growth on ALD Molybdenum Carbide Nano Layers
Resist and Transfer Free Patterned CVD Graphene Growth on ALD Molybdenum Carbide Nano Layers Open
Multilayer graphene (MLG) films were grown chemical vapour deposition (CVD) on molybdenum carbide (MoCx) substrates. We fabricated the catalytic MoCx films by plasma enhanced atomic layer deposition. The mechanism of graphene growth is stu…
View article: Resist and Transfer Free Patterned CVD Graphene Growth on ALD Molybdenum Carbide Nano Layers
Resist and Transfer Free Patterned CVD Graphene Growth on ALD Molybdenum Carbide Nano Layers Open
Multilayer graphene (MLG) films were grown chemical vapour deposition (CVD) on molybdenum carbide (MoCx) substrates. We fabricated the catalytic MoCx films by plasma enhanced atomic layer deposition. The mechanism of graphene growth is stu…
View article: Resist and Transfer Free Patterned CVD Graphene Growth on ALD Molybdenum Carbide Nano Layers
Resist and Transfer Free Patterned CVD Graphene Growth on ALD Molybdenum Carbide Nano Layers Open
Multilayer graphene (MLG) films were grown chemical vapour deposition (CVD) on molybdenum carbide (MoCx) substrates. We fabricated the catalytic MoCx films by plasma enhanced atomic layer deposition. The mechanism of graphene growth is stu…
View article: A 100 Gbps Optical Transceiver Engine by Using Photo-Imageable Thick Film on Ceramics
A 100 Gbps Optical Transceiver Engine by Using Photo-Imageable Thick Film on Ceramics Open
A ceramics-based 100 Gbps optical transceiver engine is demonstrated. A ceramics-based interposer is fabricated using the multilayer thick film (MLTF) and photo-imageable thick film (PITF) technologies, which allow for multilayer metalliza…
View article: Silicon Interposer Based QSFP-DD Transceiver Demonstrator with >10 Gbps/mm<sup>2</sup>Bandwidth Density
Silicon Interposer Based QSFP-DD Transceiver Demonstrator with >10 Gbps/mm<sup>2</sup>Bandwidth Density Open
Through a single optical interface, a 250 μm pitch two-dimensional 2×8-channel optical transceiver is integrated on a lithographically patterned silicon interposer, offering 200 Gb/s data input and output duplex within an area of 6 mm×6 mm.
View article: 48-Channel Matrix Optical Transmitter on a Single Direct Fiber Connector
48-Channel Matrix Optical Transmitter on a Single Direct Fiber Connector Open
In this paper, 4 pairs of commercial 12-channel electronic and photonic dies have been assembled on a patterned wet etched silicon interposer for a terabit/s class optical interconnect. In the scheme, the optical dies are flip-chip bonded …
View article: <inline-formula> <tex-math notation="LaTeX">$48\times10$ </tex-math> </inline-formula>-Gb/s Cost-Effective FPC-Based On-Board Optical Transmitter and Receiver
-Gb/s Cost-Effective FPC-Based On-Board Optical Transmitter and Receiver Open
In this paper, we demonstrate a low-cost, 48-channel, high-speed, flexible printed circuit (FPC)-based interconnect packaging concept for on-board optical modules. Due to the good high-speed performance and low cost, the FPC board is used …
View article: 400 Gbps 2-Dimensional Optical Receiver Assembled on Wet Etched Silicon Interposer
400 Gbps 2-Dimensional Optical Receiver Assembled on Wet Etched Silicon Interposer Open
In this paper, based on a wet etched silicon interposer, we propose a 2.5D assembly of two dimensional optical transceivers for 400 Gbps parallel optical interconnections. In this opto-electronic packaging, two dimensional optical matrix i…
View article: Light‐Induced Reversible Optical Properties of Hydrogenated Amorphous Silicon: A Promising Optically Programmable Photonic Material
Light‐Induced Reversible Optical Properties of Hydrogenated Amorphous Silicon: A Promising Optically Programmable Photonic Material Open
Reversible optical properties (refractive index, n , and extinction coefficient, k ) upon light soaking and annealing are predicted to originate from the metastable properties of hydrogenated amorphous silicon ( a ‐Si:H). Optically program…
View article: Hybrid fat-tree: Extending fat-tree to exploit optical switch transparency with WDM
Hybrid fat-tree: Extending fat-tree to exploit optical switch transparency with WDM Open
Data center networks are the underlying infrastructure supporting the exponential growth of cloud services. Several data center network architectures based on electronic switches or on a combination of electronic and optical switches have …