Microsoft Technology Licensing, LLC

Bernard Van Heck

Michael Hartley Freedman

Chetan Vasudeo Nayak

Roman Mykolayovych Lutchyn

Torsten Karzig

Peter Krogstrup Jeppesen

Georg Wolfgang Winkler

Charles Masamed Marcus

Dmitry Igorevich Pikulin

Saulius Vaitiekėnas

Mason L Thomas

Saulius Vaitiekenas

Gijsbertus De Lange

Sebastian Heedt

Lucas Casparis

Esteban Adrian Martinez

The disclosure relates to a quantum device and method of fabricating the same. The device comprises one or more semiconductor-superconductor nanowires, each comprising a length of semiconductor material and a coating of superconductor material coated on the semiconductor material. The nanowires may be formed over a substrate. In a first aspect at least some of the nanowires are full-shell nanowires with superconductor material being coated around a full perimeter of the semiconductor material along some or all of the length of the wire, wherein the device is operable to induce at least one Majorana zero mode, MZM, in one or more active ones of the full-shell nanowires. In a second aspect at least some of the nanowires are arranged vertically relative to the plane of the substrate in the finished device.

Form and fabrication of semiconductor-superconductor nanowires and quantum devices based thereon

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Santa Barbara, CA, United States of America

Bernard Van Heck