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In this paper, we demonstrate and investigate numerically the chiral coupling effect between a microfiber and a nanofiber. The light propagation direction in the nanofiber is determined by the handedness of the light field in microfiber. According to the radius of nanofiber, the fundamental mode in microfiber can be coupled into both the fundamental and the higher order modes of nanofiber. Our findings...
This paper addresses the detection and localization of partial discharge (PD) in crossbonded (CB) high voltage (HV) cables. A great deal has been published in recent years on PD based cable insulation condition monitoring, diagnostics and localization in medium voltage (MV) and high voltage (HV) cables. The topic of pulse propagation and PD source localization in CB HV cable systems has yet to be...
The polarization splitting characteristics of a polarization beam splitter (PBS) based on two closely spaced parallel optical micro/nano-fibers (MNFs) were studied using the three dimension full vector beam propagation method (3-D FVBPM). Our results of the study show that a very compact PBS can be realized. Through numerical simulation, the geometric parameters of the PBS were optimally selected...
In this paper, we established a theoretical model and made an analysis of single knot-ring resonator by polarization transmission matrix. The theoretical analysis shows that two orthogonal polarization modes of knot-ring, which are originally resonant at the same wavelength, will be split into two resonant modes at two different wavelengths. The mode splitting owes to the twisted coupler of the knot-ring,...
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