Optical High-speed Links Institute for Data Processing and - - PowerPoint PPT Presentation
Optical High-speed Links Institute for Data Processing and Electronics Marc Schneider, Djorn Karnick, Lars Eisenbltter, Yunlong Zhang, Julius Hartmann, Thomas Khner, Marc Weber 2017-10-17 www.kit.edu KIT The Research University in the
Institute for Data Processing and Electronics KIT – The Research University in the Helmholtz Association
www.kit.edu
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2017-10-17 Dr.-Ing. Marc Schneider - Optical High-speed Links
On-detector: custom silicon photonic integrated circuit Off-detector: off-the-shelf components
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2017-10-17 Dr.-Ing. Marc Schneider - Optical High-speed Links
Optical mode concentrated around pn-
Long term stable First devices available Concept studies on radiation hard
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2017-10-17 Dr.-Ing. Marc Schneider - Optical High-speed Links
Planar Concave Gratings (PCG):
Compact Insensitive to edge roughness
Optical coupler Waveguide Diffraction grating Optical fiber
Multi-λ input signal diverges
Concave grating reflects
Free-space region
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2017-10-17 Dr.-Ing. Marc Schneider - Optical High-speed Links
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2017-10-17 Dr.-Ing. Marc Schneider - Optical High-speed Links
New chip submitted 4-channel WDM systems Channels fit into ITU-T G.694.1 DWDM
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2017-10-17 Dr.-Ing. Marc Schneider - Optical High-speed Links
New chip submitted 4-channel WDM system Channels fit into ITU-T G.694.1 DWDM
Estimated delivery: December 2017
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2017-10-17 Dr.-Ing. Marc Schneider - Optical High-speed Links
Fiber-chip-coupling using
Space-saving design, no power penalty,
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2017-10-17 Dr.-Ing. Marc Schneider - Optical High-speed Links
Coupling efficiency in
Measured optical power
No significant loss
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2017-10-17 Dr.-Ing. Marc Schneider - Optical High-speed Links
HMC870 evaluation boards Voltage swing: 2 drivers in series 8× HMC870, 8× Bias-T, lots of connections
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2017-10-17 Dr.-Ing. Marc Schneider - Optical High-speed Links
Design and layout of driver board using
Plan for Phase 3: custom ASIC to Increase power efficiency Reduce space requirements Achieve radiation hardness
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2017-10-17 Dr.-Ing. Marc Schneider - Optical High-speed Links
≈10 Gb/s - ??? 485 mVPP single ended 50 Ω 8B10B coding
Receiver of SFP+ modules (10G, 1550 nm)
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Started a collaboration in May 2017:
Develop optical data link for next CMS
2017-10-17 Dr.-Ing. Marc Schneider - Optical High-speed Links
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2017-10-17 Dr.-Ing. Marc Schneider - Optical High-speed Links
Just a transmitter
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2017-10-17 Dr.-Ing. Marc Schneider - Optical High-speed Links
Transceiver with 1 downlink
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2017-10-17 Dr.-Ing. Marc Schneider - Optical High-speed Links
Transceiver with 2 downlinks
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2017-10-17 Dr.-Ing. Marc Schneider - Optical High-speed Links
Transceiver with 3 downlinks
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2017-10-17 Dr.-Ing. Marc Schneider - Optical High-speed Links
Transceiver with dynamically configurable
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