Before revision: Applications of meta-waveguides include beam/polarization splitting, integrated waveguide mode converters, versatile waveguide couplers, lab-on-fiber sensing, nano-optic endoscope imaging, on-chip wavefront shaping, structured-light generations, and optical deep learning can be realized by this platform .
After revision: Applications of meta-waveguides include beam/polarization splitting, integrated waveguide mode converters, versatile waveguide couplers, lab-on-fiber sensing, nano-optic endoscope imaging, on-chip wavefront shaping, structured-light generations, and optical neural networks .