Athermalized polymer overclad integrated planar optical waveguide device and method

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...

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Hauptverfasser: VALLON SOPHIE, MORONI MARC
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung: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.