G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 6/12 (2006.01) H04B 10/12 (2006.01)
Patent
CA 2728330
Segmented waveguide structures provide mode matching in planar lightwave circuits between waveguides and other waveguiding structures, e.g. slab waveguides and optical fibers. The present invention eliminates back reflections from the core segments by etching the leading and trailing faces of the core segments with a plurality of parallel facet sections, which are rearwardly offset in the transmission direction by an odd number of quarter wavelengths.
Les structures de guides dondes segmentés permettent dassurer une adaptation de mode dans des circuits optiques planaires entre des guides dondes et dautres structures de guidage dondes, comme, par exemple, des guides dondes bidimensionnels et des fibres optiques. Selon la présente invention, les rétroréflexions à partir des segments de cur sont éliminées en gravant les faces avant et arrière des segments de cur pour obtenir plusieurs sections à facettes parallèles, lesquelles sont décalées vers larrière, dans la direction de transmission, dune quantité égale à un nombre impair de quarts dondes.
Balakrishnan Ashok
Bidnyk Serge
Pearson Matt
Enablence Inc.
Osler Hoskin & Harcourt Llp
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