(under the class definition) Subject matter wherein an optical waveguide material having a strong second (or higher) order response function to optical radiation is recited.
(1) Note. The nonlinear property could include Rayleigh, Brillouin, Raman scattering, etc.
SEE OR SEARCH CLASS
252, Compositions,
582+, for light transmission modifying compositions.
359, Optics: Systems (Including Communication) and Elements,
240, for light wave temporal modulation via a nonlinear device outside of an optical waveguide, subclass 255 for electro-optic polarization modulation by a nonlinear device, and subclasses 328+ for optical harmonic generators which could use nonlinear optics.