MIcrosoft Announces an Improved Majorana Qubit Design - Quantum Computing Report

At their annual Build Conference, Microsoft announced improvements in its Majorana qubit design that provides a 20 second parity lifetime with a 1000x increase in the switching time in Majorana parity measurements. This design has been incorporated into their next generation chip called Majorana 2. A key parameter in a Majorana based qubit is called the topological gap and the changes they have made increased this by a factor greater than 2X over their previous design. They have accomplished this by designing an improved material stack incorporating Lead (Pb), Antimony (Sb), and fabricated using improved processes and stack designed with the [...]

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