Spectral measeurements Data related to "Resonance-free Fabry-Perot cavity via unrestricted orbital-angular-momentum ladder-up" - Nature Communications Publication

This dataset contains the OSA measurements underlying “Resonance-free Fabry–Pérot cavity via unrestricted orbital-angular-momentum ladder-up” paper. We provide transmitted spectra from (i) a conventional resonant Fabry–Pérot cavity and (ii) the resonance-free Fabry–Pérot cavity (RFC). Spectra were acquired by coupling the cavity output into a multimode fiber connected to a Yokogawa AQ6370 OSA (≈0.02 nm resolution) Files include the total output spectra for FP and RFC at each cavity lenth (L), L=1.3, 1.8, 2.3, .... 4.8 mm; the input-source spectrum at different output powers of 30,40, 50 watts (for reference); and the per-mode spectra for LG1, LG3, and LG5 (for L=1.3 mm) also uploaded.