About cookies on this site Our websites require some cookies to function properly (required). In addition, other cookies may be used with your consent to analyze site usage, improve the user experience and for advertising. For more information, please review your options. By visiting our website, you agree to our processing of information as described in IBM’sprivacy statement. To provide a smooth navigation, your cookie preferences will be shared across the IBM web domains listed here.
Publication
MRS Fall Meeting 2024
Talk
Superconducting Liquid Metal Interconnecting Quantum Computing
Abstract
Unlike reliable classical bits using transistors, superconducting qubits are vulnerable to fabrication defects and aging, necessitating their occasional replacement. A modular system allowing chip plug-and-play could tackle this challenge. Here, we propose liquid gallium alloys as interconnects between quantum computing chips, potentially enabling non-destructive replacement of these chips at room temperature after low-temperature benchmarking of the entire system. The comparable quality factors of conventional and liquid-metal-bridged coplanar waveguide resonators at millikelvin and single-photon regimes lay the foundation for leveraging such liquid metal interconnects in a modular quantum computer.