TITLE

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

AUTHOR(S)
Hashimoto, Yoshihito; Yorozu, Shinichi; Satoh, Tetsuro; Miyazaki, Toshiyuki
PUB. DATE
July 2005
SOURCE
Applied Physics Letters;7/11/2005, Vol. 87 Issue 2, p022502
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
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/cm2 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 μm. 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 μW at 117 Gbps.
ACCESSION #
18008210

 

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