Mode-Group Selective Air-Clad Photonic Lantern

Abstract

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Air-clad photonic lanterns: fabrication and applications

“…Uniform tapering of capillary tubes of larger diameter in a glass processor using heating filament is difficult. Hence a more simple and cost effective fabrication technique is tried, where the outer capillary tube is not used [14,15]. The air surrounding the taper form the low index cladding, that guides the light through the taper, hence they are termed air-clad PLs.…”

Air-cladded mode-group selective photonic lanterns for mode-division multiplexing

“…1. To make the air-cladded photonic lantern mode selective between the first two LP mode groups, two different types of fibers are used [11]. One is a standard single mode fiber (SSMF) with core diameter of 9 µm and core index 1.4492, while the other two are low cut-off fibers (Corning HI1060) of core diameter 5.3 µm and core index 1.4511.…”