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Electro-optical circuit boards with single- or multi-mode optical interconnects

 
: Brusberg, L.; Immonen, M.; Lamprecht, T.

:

Tekin, T.:
Optical Interconnects for Data Centers
Amsterdam: Elsevier, 2017 (Woodhead publishing series in eletronic and optical materials 90)
ISBN: 978-0-08-100512-5
ISBN: 978-0-08-100513-2
ISBN: 0-08-100513-X
ISBN: 0-08-100512-1
pp.287-307
English
Book Article
Fraunhofer IZM ()

Abstract
Embedded optical architectures are required in data center and network systems to replace the electrical signal lines with optical interconnects for increased high-speed data transmission due to the higher bandwidth by length product. MT terminated fiber- or polymer flex parallel optical interconnects seem to be the first step of implementation in commercial applications, without the need to change the printed circuit board (PCB) stack-up design and fabrication process flow and provide standard connector interfaces. However, integration of optical polymer or glass waveguide layers in the PCB stack-up benefits in low-cost high-volume waveguide fabrication with complex layouts including splitters, combiners, crossings, and tight bends. The chapter introduces state-of-the-art electro-optical circuit board fabrication technologies, termination, and performance demonstration for optical waveguides made of polymer and glass.

: http://publica.fraunhofer.de/documents/N-473908.html