Waveguide Refractive Index Profile via Selective Curing and Intermixing

The patent extracts the harmful uncured portions of the core layer through selective curing processes, allowing the uncured material to be removed without requiring additional etching steps. This is achieved by controlling the curing process to leave specific portions uncured, which are then naturally removed, eliminating the need for time-consuming etching while maintaining the desired refractive index profile.

The patent changes the curing parameters (such as curing depth, intensity, or pattern) to create a gradient or selective curing effect in the core layer. This allows different portions of the core layer to have different degrees of curing, enabling the uncured portions to be selectively removed while preserving the cured portions, thus achieving the desired refractive index profile without additional etching steps.

The patent extracts the harmful uncured portions of the core layer through selective curing processes, allowing the uncured material to be removed without requiring additional etching steps. This eliminates the need for expensive etching chemicals and equipment while maintaining the desired refractive index profile.

The patent employs a self-service mechanism where the uncured portions of the core layer are naturally removed through the curing process itself or subsequent simple cleaning steps, rather than requiring additional active etching operations. This reduces manufacturing complexity and cost while achieving the desired refractive index profile.

The patent applies local quality by creating different curing states in different portions of the core layer. The selective curing process ensures that specific regions are fully cured while other regions remain uncured or partially cured, allowing for controlled removal of uncured portions. This local differentiation enables the achievement of the desired refractive index profile through simplified fabrication steps.

The patent changes the curing parameters spatially across the core layer to create a gradient or patterned curing effect. By controlling parameters such as curing intensity, duration, or wavelength distribution, the process creates regions with different refractive indices and curing states, enabling the uncured portions to be selectively removed while maintaining the desired overall refractive index profile.