A5065829260- Semiconductor Lasers and Optical Devices
- Photonic and Optical Devices
- Optical Network Technologies
- Advanced Optical Network Technologies
- Advanced Photonic Communication Systems
- Advanced Fiber Optic Sensors
- 3D IC and TSV technologies
- Nanofabrication and Lithography Techniques
- Molecular Junctions and Nanostructures
- Quantum Information and Cryptography
- Interconnection Networks and Systems
- Cloud Computing and Resource Management
- Photonic Crystals and Applications
- Neural Networks and Reservoir Computing
- Software-Defined Networks and 5G
- Distributed and Parallel Computing Systems
- Quantum Computing Algorithms and Architecture
- Financial Reporting and XBRL
- Adhesion, Friction, and Surface Interactions
- Nanomaterials and Printing Technologies
- Thin-Film Transistor Technologies
- Integrated Circuits and Semiconductor Failure Analysis
- Electromagnetic Compatibility and Noise Suppression
- Innovative Microfluidic and Catalytic Techniques Innovation
- Electrowetting and Microfluidic Technologies
Pilot Photonics (Ireland)
2024
Seagate (United States)
2008-2024
Applied Photonics (United Kingdom)
2020-2024
Seagate (Ireland)
2024
University of St Andrews
2019-2023
Seagate (United Kingdom)
2014-2018
Andrews University
2016
An optical backplane ecosystem is described and demonstrated that capable of multi-Tb/s bandwidth based on embedded polymer waveguides, passive connectors, midboard transceivers with up to 28 Gb/s per lane. These systems provide the highest bandwidth-density, lowest power consumption, while maintaining signal integrity. Ecosystems built around this architecture will bandwidth-density required for next generation fabric interconnect storage, switching, routing applications in future high...
The efficient integration of optical switching in data center networks is being studied as a means to cope with surging traffic demands. Optically switched, flatter network architectures more efficiently handle the east-west profiles modern centers. Limitations port count and reconfiguration speed switches require novel designs offering scalability dynamicity. Interaction optically switched plane software-defined control orchestration framework, meeting current common practices centers,...
Abstract The Second Quantum Revolution facilitates the engineering of new classes sensors, communication technologies, and computers with unprecedented capabilities. Supply chains for quantum technologies are emerging, some focused on commercially available components enabling and/or quantum-technologies research infrastructures, others already higher technology-readiness levels, near to market. In 2018, European Commission has launched its large-scale long-term Flagship initiative support...
The protocol data rate governing storage devices will increase to over 12 Gb/s by 2013 thereby imposing unmanageable cost and performance burdens on future digital systems. resulting bottleneck can be substantially reduced conveying high-speed optically instead of electronically. A novel active pluggable 82.5 aggregate bit optical connector technology, the design fabrication a compact electro-optical printed circuit board meet exacting specifications, method for low cost, high precision,...
The first, to our knowledge, passive, precision, self-alignment technique for direct coupling of vertical cavity surface emitting laser (VCSEL) and photodiode (PD) arrays an array polymer buried channel waveguides on a rigid printed circuit board (PCB) is reported. It gives insertion losses as good the best achieved previously, within experimental measurement accuracy, but without need costly active alignment nor waveguide facet polishing so major step towards commercially realizable low...
Widespread adoption of electro-optical circuit boards based on embedded glass waveguide technology would enable seamless optical connectivity from external fiber-optic networks to system interconnect architectures. In this paper, we report the fabrication planar multimode waveguides within thin foils a two-step thermal ion exchange process. Novel lamination techniques were developed allow panels be reliably integrated into conventional electronic multilayer printed board. addition, complete...
This paper investigates the end facet roughness of multimode polymer channel waveguides fabricated on FR4 printed circuit boards, PCBs, when cut at right angles to their optical axis by milling routers for butt-coupling connectors and compares it with that resulting from dicing saws polishing proposes a novel treatment. RMS surface waveguide facets, measured AFMs, are compared range rotation speeds translation router. It was found one-flute gave significantly less rough surfaces than two or...
Purpose The purpose of this paper is to provide an overview the research in a project aimed at developing manufacturing techniques for integrated optical and electronic interconnect printed circuit boards (OPCB) including motivation research, progress, achievements interactions between partners. Design/methodology/approach Several polymer waveguide fabrication methods were developed direct laser write, ablation inkjet printing. Polymer formulations suit methods. Computer‐aided design (CAD)...
Introduction of electro-optical circuit board (EOCB) technologies based on embedded glass waveguides in the system enclosure current data storage, compute, or switch platforms will be instrumental accommodating prohibitive bandwidth densities projected exascale centers, access networks, and high-performance computing environments future. The main focus this paper is, therefore, realization large EOCB backplanes (350 × 465) mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML"...
Future bandwidth needs force the development of optical interconnects for data transmission at board level. The aim is to develop technology solutions embedded architectures in center and network systems allow significant reduction power consumption, increased energy efficiency, system density scalability, which currently unfeasible today's copper driven systems. A passive backplane comprising a printed circuit (PCB) with integrated waveguides standardized pluggable coupling interfaces line...
The paper introduces a low cost, precision alignment technique designed to be unaffected by temperature or process variations in the thickness of PCB FR4 board, lower cladding between board and waveguide core, upper above relative lateral position waveguides across PCB, axial cut entrance exit faces waveguide.
The evolution of data storage communication protocols and corresponding in-system bandwidth densities is set to impose prohibitive cost performance constraints on future system designs, fuelling proposals for hybrid electronic optical architectures in centers. migration interconnect into the enclosure itself can substantially mitigate communications bottlenecks resulting from both increase rate internal link lengths. In order assess viability embedding links within prevailing architectures,...
The increased communication bandwidth demands of high performance computing (HPC) systems calling at the same time for reduced latency and power efficiency have designated optical interconnects as key technology in order to achieve target exascale performance. In this realm, advances be accompanied by development corresponding design simulation tools that support end-to-end system modeling evaluate benefits offered components scale. paper, we present recent on electro-optical printed circuit...
First time an electro-optical circuit board (EOCB) is demonstrated with integrated planar glass multimode waveguides and optical pluggable line card connectors. The are patterned inside commercially available thin-glass panels by performing a two-step thermal ionexchange process. resulting low-loss possess gradient-index profile. waveguide panel embedded within the layer stack-up of printed (PCB) using proven industrial processes. Cut-outs PCB structured for assembling connector receptacle...
The design, implementation and characterisation of an electro-optical backplane active pluggable optical connector technology are presented. connection architecture adopted allows line cards to mate unmate from a passive with embedded polymeric waveguides. connectors incorporate photonics interfaces operating at 850 nm mechanism passively align the interface A demonstration platform has been constructed assess viability in dense data storage systems. is comprised both copper layers one...
We report on a converged optically enabled Ethernet storage, switch and compute platform, which could support future disaggregated data center architectures. The platform includes controllers, an advanced electro-optical midplane interchangeable generic end node devices. demonstrate system level performance using disk drives micro-servers across optical links of varied lengths.
In this paper we review key technological milestones in system embedded optical interconnects data centers that have been achieved between 2014 and 2020 on major European Union research development projects. This includes the of proprietary optically enabled storage switch systems compute subsystems. We report four center demonstrators: LightningValley, ThunderValley2, Pegasus Aurora, which include advanced circuits based polymer waveguides fibers electro-optical connectors. also subsystems...
Optical printed circuit board (OPCB) waveguide materials and fabrication methods have advanced considerably over the past 15 years, giving rise to two classes of embedded planar graded index based on polymer glass. We consider performance these emerging in view anticipated deployment data center environments optical transceivers directly modulated multimode short wavelength VCSELs against those longer single-mode photonic integrated circuits. describe waveguides, using Mosquito...
Electro-optical printed circuit boards (EOCB) based on planar multimode polymer channels are limited by dispersion in the step-index waveguide structures and increased optical absorption at longer telecom wavelengths [1]. We present a promising technology for large panel EOCB holohedrally integrated glass foils. The waveguides patterned into these foils have graded-index structure, thereby giving rise to larger bandwidthlength product compared their counterparts lower absorbtion wavelengths....
Widespread adoption of optical circuit boards will herald substantial performance, environmental and cost benefits for the data communications industry. Though board technology has advanced considerably over past decade, commercial maturity be gated by availability conformity standards to forge future quality assurance procedures. One important prerequisite this is a reliable test measurement definition system, which agnostic type waveguide system under therefore can applied different...
We report on the design and performance of a silicon photonic micro-transceiver required to operate in high ambient temperature environments above 105°C. The four channel "I/O core" incorporates 1310 nm Quantum Dot laser system operates at data-rate 32 Gbps per lane. 5mm x chip benefits from multimode coupling interface for low-cost assembly robust connectivity temperatures an optical redundancy circuit, increasing reliability by over order magnitude. I/O core is building block used...