Importance

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Abstract

Waveguides and other devices and materials (including but not limited to waveguides, microlenses, and other optical device components), both planer and freespace devices benefit by having a high transparency or low optical loss profile at particular wavelengths. A method for making a waveguide comprises forming a lower cladding layer on a substrate; forming a core layer after the lower cladding layer, and forming an upper cladding layer after the core layer; wherein the lower cladding layer, core layer and/or upper cladding layer comprises a material having an optical loss of 0.1 dB/cm or less at 1550 nm, 1310 nm, C Band and/or L Band. The material having low optical loss also has other desirable properties in the areas of ease and temperature of deposition, hydrophobicity, direct patternability (photosensitivity), stress, aspect ratio if patterned, and surface and sidewall roughness (if patterned), among other characteristics.

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First Claim