4 January 2008 Investigation on optical parameter of fused and tapered all-fiber coupler
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All-fiber coupler is a kind of widely utilized passive instrument in optical-fiber communication, optical-fiber sensor, optical-fiber measurement and signal processing, the application of all-fiber couplers are being used in different research fields. In this paper, the primary investigation is focused on the optical coupling theory, and derived from the theory of fused and tapered coupler how to make light apart with the equation of coupled wave. The relative formula between the ratio of power coupling and length of drawing has obtained with simulation using the standard fused and tapered coupler, at the same time the losses and the power distribution of fused and tapered all-fiber coupler are analyzed and computed by simulation. The single-window 1×2 for 1310nm and 1550nm couplers have constructed in experiment, respectively. The couplers' optical parameters of output spectrum and power in theoretical analysis are accorded with the testing standard in experiment.
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Jiangbo Chen, Jiangbo Chen, Li Wang, Li Wang, } "Investigation on optical parameter of fused and tapered all-fiber coupler", Proc. SPIE 6841, Solid State Lighting and Solar Energy Technologies, 68410Q (4 January 2008); doi: 10.1117/12.754773; https://doi.org/10.1117/12.754773


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