Sensing rotations with multiplane light conversion
arXiv:2301.10265 · doi:10.1103/PhysRevApplied.20.024052
Abstract
We report an experiment estimating the three parameters of a general rotation. The scheme uses quantum states attaining the ultimate precision dictated by the quantum Cramér-Rao bound. We realize the states experimentally using the orbital angular momentum of light and implement the rotations with a multiplane light conversion setup, which allows one to perform arbitrary unitary transformations on a finite set of spatial modes. The observed performance suggests a range of potential applications in the next generation of rotation sensors.
arXiv comment8 pages, 4 figures. Comments welcome! arXiv admin note: text overlap with arXiv:2012.00590
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