Chirped and curved grating coupler focusing both outgoing beam and guided wave |
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| Authors: | M. Miler M. Skalsky |
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| Affiliation: | Institute of Radio Engineering and Electronics, Czechoslovak Academy of Sciences, 182 51 Prague, Czechoslovakia |
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| Abstract: | A new type of a grating coupler is proposed which couples out diverging or converging guided wave into stigmatically focused outgoing beam or vice versa. Theoretical analysis based on the holographic approach is given in some details. Experiments on photoresist gratings support the theory and show their prospective application as beam forming couplers for guided-wave optics. |
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