OAM Beam Generation using All-fiber Fused Couplers

Date Issued
01-01-2016
Author(s)
Pidishety, S.
Khudus, M. I.M.Abdul
Gregg, P.
Ramachandran, S.
Indian Institute of Technology, Madras
Brambilla, G.
Abstract
We demonstrate the orbital angular momentum (OAM) beam generation using an all-fiber fused coupler based on single mode fiber (SMF) and air-core fiber. The fabricated device is directly SMF compatible with ~80% power coupling efficiency.