Integrated reflector for planar lightwave circuits
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United States of America Patent
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Jul 14, 2009
Grant Date -
Sep 18, 2008
app pub date -
Feb 6, 2008
filing date -
Mar 13, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A reflector chip of the present invention integrates a planar lightwave circuit (PLC) waveguide wafer and an active component, such as a photo-detector or laser, e.g. vertical cavity surface emitting laser. Typically, the PLC waveguide wafer includes a waveguide core region bound by upper and lower cladding layers. An end of the waveguide core region is mounted within a channel, trench, notch or recess within the bottom surface of the body of the reflector chip. A V-notch is also formed in the bottom surface of the body of the reflector, including a reflective surface, which redirects the light between the active component and the waveguide core region.
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