| Budget Amount *help |
¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
Fiscal Year 2022: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2021: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
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| Outline of Final Research Achievements |
The objective of this study is to develop an optical waveguide circuit that eliminates the effects of atmospheric turbulence and enables high-contrast, visible diffraction-limited imaging. Basic waveguide circuits such as Y-coupler, X-coupler, waveguide width, thickness, crossed waveguides, and curvature waveguide circuits with various parameters to determine basic waveguide circuit characteristics, and a MMI (Multi-Mode Interferometer), a splitter and combiner circuit with a phase shifter and measured their transmittance, split ratio, coupling ratio, wavelength dependence, polarization characteristics, and crosstalk. Although some of these circuits need further performance improvement, we believe that the basic circuits are ready for the realization of our final goal, a 5-input, 20-output circuit.
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