G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 6/122 (2006.01) G02B 6/136 (2006.01) G02B 6/42 (2006.01)
Patent
CA 2639638
To provide a PLC and the like, which can improve the optical coupling efficiency by coupling an optical element to a light waveguide part without having a gap. The PLC includes a light waveguide part and an optical element mount part. The light waveguide part has a lower clad layer, a core layer, and an upper clad layer formed on a part of a silicon substrate as a substrate. The optical element mount part has an LD, which is to be optically coupled at the light waveguide end face as an end face of the light waveguide, loaded on the silicon substrate. At the light waveguide end face, an end face of the lower clad layer is recessed with respect to an end face of the core layer and an end face of the upper clad layer towards a direction away from the LD.
Corporation Nec
G. Ronald Bell & Associates
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