Theoretical analysis and numerical simulation of optical coupling properties of the waveguide grating with novel structure;

Fast tunable electro-optic polymer waveguide gratings;

Then the waveguide grating coupler formed by holographic polymerization was obtained.

The design and measurement of the optical characteristics for key component in the device the waveguide grating and the spheroidal geodesic lenses are discribed, the experimental results of the wavelength division characteristics are reported in the paper.

Monolithic integrated glass waveguide device consists of three parts,two spheroidal geodesic lenses and an etched out waveguide grating.

Study of Long Period Fiber Gratings and High Order Waveguided Bragg Gratings;