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Main Title: Competitive Evaluation of Planar Embedded Glass and Polymer Waveguides in Data Center Environments
Author(s): Pitwon, Richard
Wang, Kai
Yamauchi, Akira
Ishigure, Takaaki
Schröder, Henning
Neitz, Marcel
Singh, Mayank
Type: Article
Language Code: en
Abstract: 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 waveguide based on polymer and glass. We consider the performance of these two emerging waveguide classes in view of the anticipated deployment in data center environments of optical transceivers based on directly modulated multimode short wavelength VCSELs against those based on longer wavelength single-mode photonic integrated circuits. We describe the fabrication of graded index polymer waveguides, using the Mosquito and photo-addressing methods, and graded index glass waveguides, using ion diffusion on thin glass foils. A comparative characterization was carried out on the waveguide classes to show a clear reciprocal dependence of the performance of different waveguide classes on wavelength. Furthermore, the different waveguide types were connected into an optically disaggregated data switch and storage system to evaluate and validate their suitability for deployment in future data center environments.
Issue Date: 13-Sep-2017
Date Available: 23-Dec-2019
DDC Class: 535 Licht, Infrarot- und Ultraviolettphänomene
600 Technik, Technologie
Subject(s): optical printed circuit board
graded index waveguides
polymer waveguides
planar glass waveguides
Sponsor/Funder: EC/H2020/688516/EU/CmOs Solutions for Mid-board Integrated transceivers with breakthrough Connectivity at ultra-low Cost/COSMICC
EC/FP7/318240/EU/Photonics for High-Performance, Low-Cost & Low-Energy Data Centers, High Performance Computing Systems:Terabit/s Optical Interconnect Technologies for On-Board, Board-to-Board, Rack-to-Rack data links/PhoxTroT
Journal Title: Applied Sciences
Publisher: MDPI
Publisher Place: Basel
Volume: 7
Issue: 9
Article Number: 940
Publisher DOI: 10.3390/app7090940
EISSN: 2076-3417
Appears in Collections:Forschungsschwerpunkt Technologien der Mikroperipherik » Publications

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