Massachusetts Institute of Technology

The USA As Represented by the Secy. of the Army

Donald Fahey

Dirk Robert Englund

Matthew Edwin Trusheim

Kurt Jacobs

Jonathan Hoffman

An ensemble of spin defect centers or other atom-like quantum systems in a solid-state host can be used as a compact alternative for an atomic clock thanks to an architecture that overcomes magnetic and temperature-induced systematics. A polariton-stabilized solid-state spin clock hybridizes a microwave resonator with a magnetic-field-insensitive spin transition within the ground state of a spin defect center (e.g., a nitrogen vacancy center in diamond). Detailed numerical and analytical modeling of this polariton-stabilized solid-state spin clock indicates a potential fractional frequency instability below 10over a 1-second measurement time, assuming present-day experimental parameters. This stability is a significant improvement over the state-of-the-art in miniaturized atomic vapor clocks.

Growing community of inventors

Washington, DC, United States of America

Donald Fahey