Fabrication of wavelength-flattened tapered couplers using polishing for cladding removal

Abstract

Wavelength-flattened fused tapered couplers have been fabricated with low loss using a new technique. The asymmetry between the constituent fibres is induced by the rapid removal of a small amount of the cladding of one of the fibres with a polishing wheel.

Electronics Letters (1988) Vol.24(17) pp.1072

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