We overview recent progress in the tomography of structured light fields, with an emphasis on the method of direct measurement. Direct measurement provides a scalable and easy- to-implement approach for characterizing the transverse structure of single photons. This protocol is particularly attractive in light of the emerging role of high-dimensional optical states as a resource for encoding quantum information. We present a summary of various implementations of this technique that aim to characterize the spatial degree of freedom of the optical field.
CITATION STYLE
Mirhosseini, M., Lundeen, J. S., & Boyd, R. W. (2019). Direct measurement of the photon’s spatial wave function. In Springer Series in Optical Sciences (Vol. 217, pp. 25–49). Springer Verlag. https://doi.org/10.1007/978-3-319-98402-5_2
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