Wavelength-independent fused fibre power divider

摘要: A wavelength-independent fused fibre power divider with a single input and plurality of outputs is made by method comprising fusing fibres (1 - Fig. 1) into coupler structure an adiabatic taper (3) at each end the coupling region (2) differential pulling technique, cleaving two parts region, fusion splicing core (6) matched diameter to cleaved one part (5), tapering splice (7) produce tapers (9) waist section (8), which latter step has effect reducing modal field mismatch across (Fig. 4).