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초록· 키워드
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A high-efficiency grating antenna and a multimode interference beam splitter using a silicon- nitride waveguide have been studied for an optical phased array with an operating wavelength of 1550 nm. A waveguide grating antenna with patterned top cladding and a 1x2 multimode interference beam splitter with a tapered waveguide are considered. The optimized waveguide grating antenna and the multimode interference beam splitter offer above 70% directionality and 98% high single-mode transmission, respectively. These results indicate the possibility of using silicon nitride as a waveguide for a high-efficiency optical phased array.
목차
Ⅰ. Introduction
Ⅱ. OPA design and properties
Ⅲ. Summary
REFERENCES
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