Photonics Research, 2020, 8 (3): 03000252, Published Online: Feb. 10, 2020
Exceptional points and the ring laser gyroscope Download: 618次
Abstract
An equivalence is made between the exceptional points proposed by the field of non-Hermitian quantum mechanics and the dead band observed in laser gyroscopes. The sensitivity enhancement near this exceptional point is plagued by increased uncertainty due to broadening of the beat-note bandwidth. Also, near the dead band the gyroscope response is caused by Rabi intensity oscillations and not solely by a phase modulation. Finally, a distinction is made between conservative and non-conservative coupling.
Luke Horstman, Ning Hsu, James Hendrie, David Smith, Jean-Claude Diels. Exceptional points and the ring laser gyroscope[J]. Photonics Research, 2020, 8(3): 03000252.