Towards Cable-to-Cable Connectors for Flexible Thin-Film Superconducting Transmission Lines

Shah, Archit; Gupta, Vaibhav; Yelamanchili, Bhargav; Peek, Sherman E.; Chowdhury, Md. Fahim F.; Rashid, Asmaul Smitha; Goteti, Uday S.; Sellers, John A.; Tuckerman, David B.; Hamilton, Michael C.

doi:10.1109/tasc.2021.3062566

Cited by 5 publications

(1 citation statement)

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“…Minimizing interconnect volumes is paramount to realize more dense and complex systems. A solution to minimizing interconnect volumes that is heavily pursued is the fabrication of flexible cables [1][2][3][4][5]. Though these cables are a solution to physical dimension constraints, electrical and thermal aspects must be considered in the designs of cables and cable assembly procedures that are intended for use in dense cryogenic systems.…”

Section: Introductionmentioning

confidence: 99%

Approaches for High Performance and Thermally Optimized Flexible Cryogenic Microwave Ribbon Cables

Peek

Shah²,

Yelamanchili³

et al. 2022

IOP Conf. Ser.: Mater. Sci. Eng.

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Design, fabrication, and testing of cryogenic cables with thermal performance considerations is presented in this work. Cables were designed with commercial off-the-shelf materials for low-GHz operation in a small form factor. Thermal and microwave simulations were performed during the design of cables. Fabrication processes were developed to create features in Cu-cladding and to successfully deposit thin-film metal in large step-height regions. Post-fabrication processes such as laser machining and connector assembly were used to cutout and interface with fabricated cables. Microwave performance was measured at room temperature and at 4.2 K with comparable results to simulations performed. Cables designed and fabricated in this work provide a solution to thermal and spatial limitations while achieving targeted microwave performance at cryogenic temperatures.

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