AI Article Synopsis
- The study investigates how mode coupling affects a solid-state ring laser, which is a type of quantum device.
- The researchers introduced an extra coupling source that interacts with existing nonlinear effects, allowing two counterpropagating modes to coexist, which is sensitive to rotation.
- Both theoretical and experimental analyses outline conditions for detecting rotation, highlighting the impact of different mode-coupling mechanisms, and suggest potential advancements for active rotation sensors.
Article Abstract
We report the theoretical and experimental investigation of the effects of mode coupling in a resonant macroscopic quantum device, in the case of a solid-state ring laser. This is achieved by introducing an additional coupling source whose interplay with the already-existing nonlinear effects ensures the coexistence of two counterpropagating cavity modes yielding a rotation-sensitive beat note. The determination of the condition for rotation sensing, both theoretically and experimentally, allows a quantitative study of the role of various mode-coupling mechanisms, in particular, the gain-induced mode coupling. We point out the connection between our work and the theoretical work on mode coupling in superfluid devices. This work opens up the possibility of new types of active rotation sensors.
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| http://dx.doi.org/10.1103/PhysRevLett.97.093902 | DOI Listing |
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