| Budget Amount *help |
¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2013: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
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| Outline of Final Research Achievements |
In this study, we investigated space division multiplexing technology for extremely enhancing optical transmission capacity by using multicore fiber technology and mode division multiplexing technology. For multicore fiber design, a theory for accurately estimating inter-core crosstalk in few-mode multicore fibers has been developed. Through detailed numerical simulations, it was found that the few-mode multicore fibers with a spatial multiplicity of 20 times larger than that of conventional single-core single-mode fibers can be achieved. In addition, for realizing mode division multiplexing, a planar lightwave circuit (PLC) based LP11 mode rotator was proposed in order to excite LP11b mode in the same plane, and the PLC-type 2LP-mode (3 mode) multiplexer/demultiplexer with uniform waveguide height has been developed.
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