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Published March 20, 2017 | Published
Journal Article Open

Microresonator Brillouin gyroscope


Optical-based rotation sensors have revolutionized precision, high-sensitivity inertial navigation systems. At the same time these sensors use bulky optical fiber spools or free-space resonators. A chip-based, micro-optical gyroscope is demonstrated that uses counterpropagating Brillouin lasers to measure rotation as a Sagnac-induced frequency shift. Preliminary work has demonstrated a rotation-rate measurement that surpasses prior micro-optical rotation-sensing systems by over 40-fold.

Additional Information

© 2017 Optical Society of America. Received 14 November 2016; revised 6 February 2017; accepted 9 February 2017 (Doc. ID 280805); published 7 March 2017. Funding: Defense Advanced Research Projects Agency (DARPA) (DARPA PRIGM:AIMS program); Kavli Nanoscience Institute. The authors would like to thank Seung Hoon Lee for helpful discussions.

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