Demonstration of chip-to-chip transmission of single-flux-quantum pulses at throughputs beyond 100 Gbps

We report a demonstration of single-flux-quantum (SFQ) pulse transmission between superconductor chips at throughputs beyond 100 Gbps. A fabrication process with a high junction critical current density of 10 kA ∕ cm 2 was used to increase the operation speed of a pulse driver and receiver. The chip...

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Veröffentlicht in:Applied physics letters 2005-07, Vol.87 (2), p.022502-022502-3
Hauptverfasser: Hashimoto, Yoshihito, Yorozu, Shinichi, Satoh, Tetsuro, Miyazaki, Toshiyuki
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Yorozu, Shinichi
Satoh, Tetsuro
Miyazaki, Toshiyuki
description We report a demonstration of single-flux-quantum (SFQ) pulse transmission between superconductor chips at throughputs beyond 100 Gbps. A fabrication process with a high junction critical current density of 10 kA ∕ cm 2 was used to increase the operation speed of a pulse driver and receiver. The chips were flip-chip bonded on a passive microstrip carrier using small solder bumps with diameters of 30 μ m . With experiments based on a ring-shaped circuit, chip-to-chip SFQ pulse transmission has been demonstrated up to 117 Gbps with an error rate of less than 10 − 15 . The power dissipated by the driver and receiver was only 0.24 μ W at 117 Gbps.
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title Demonstration of chip-to-chip transmission of single-flux-quantum pulses at throughputs beyond 100 Gbps
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