Planar optical waveguide amplifier with mode size converter
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United States of America Patent
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Issued Date -
Apr 29, 2004
app pub date -
Jun 23, 2003
filing date -
Jan 22, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Planar wave guide devices deposited by reactive pulsed dc sputtering processes are presented. Devices according to the present invention include a waveguide with a core sputter deposited onto a substrate and a cladding sputter deposited onto the core. In some embodiments, second waveguide can be deposited in close proximity to the first waveguide to form a direction coupler. In some embodiments, light traveling through the waveguide can be amplified or attenuated in response to signals applied to the waveguide. In some embodiments, a DWDM device is formed in the waveguide. In other devices, a mode-locked laser is formed.
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