Figure 3
From: Prospects for strongly coupled atom-photon quantum nodes
(a) Fractional power overlap with the fundamental mode of the waveguide for light transmitted across a through-hole in an optical fibre with spherically-curved convex input and output facets, as a function of the radius of curvature of the surface. (b) The same for cylindrically-curved input and output facets. In both cases, the distance of closest approach between the input and output surfaces is 30 μm, the fibre parameters used match Thorlabs 780 HP fibre, and the optical wavelength is 852 nm.
