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To avoid the modal crosstalk-induced power fading, a mode assignment technique has been proposed and experimentally demonstrated for mode division multiplexed W-band radio-over-fiber links.
A novel mode-selective packet switching, based on mode-multiplexers/demultiplexers and multi-port optical MEMS switches, has been proposed and experimentally demonstrated over a 30-km long few-mode fiber link using 16-QAM signals without serious signal impairments.
20Gb/s seamless 2×2 MIMO transmission of W-Band millimeter-wave signals over a 30-km modal-dispersion-compensated mode-division multiplexed link and a 2.5-m wireless path, is demonstrated for enhancing the transmission capacity in radio-over-fiber systems.
A technique is proposed for measuring mode field diameter of LP01 mode and relative-index difference of a fiber link composed of two mode fibers using the OTDR. Longitudinal fiber parameters of the fiber link were successfully estimated by our technique.
The novel technique for measuring longitudinal fiber parameters of the Multi-core fiber (MCF) is proposed. The mode field diameter of the fiber link composed of MCF is successfully estimated by the improved OTDR.
We report mode launch characteristics for Two-Mode Optical Fiber (TMF) under offset-launch condition. We confirmed that the power ratio of each mode for TMF under offset-launch condition can be evaluated by using FE-BPM.
As for the stored energy density, the solenoid coil has the larger value. On the other hand, the toroidal field coil has the least leakage flux. The primary concern of HTS SMES coil is the reduction of the cost, while securing superconducting coil performance. For this purpose, the required HTS tape length needs to be as short as possible. The critical current and n values of HTS tapes depends on...
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