Measurement of the radial mode spectrum of photons through a phase-retrieval method

S. Choudhary, R. Sampson, Y. Miyamoto, O. S. Magaña-Loaiza, S. M. H. Rafsanjani, M. Mirhosseini, and R. W. Boyd, Optics Letters 43, 6101-6104 (2018).

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