Athermalized polymer overclad integrated planar optical waveguide device and method
1. Field of the Invention An athermalized, polymer overclad integrated optical device (with a multiplexer/demultiplexer or a Mach-Zender interferometer being representative examples) in which thermally-induced shifts in channel wavelengths are minimized. The device includes a doped silica waveguide...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | 1. Field of the Invention
An athermalized, polymer overclad integrated optical device (with a multiplexer/demultiplexer or a Mach-Zender interferometer being representative examples) in which thermally-induced shifts in channel wavelengths are minimized. The device includes a doped silica waveguide core on a planar substrate and a polymer overclad having a negative variation in refractive index versus temperature (dn/dT) to inhibit shifts in the channel wavelengths. |
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