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Amplification of orbital angular momentum beam in a fiber Raman amplifier
Date Issued
01-01-2017
Author(s)
Pidishety, Shankar
Zhu, Sheng
Kazansky, P. G.
Nilsson, Johan
Indian Institute of Technology, Madras
Abstract
We experimentally demonstrate 6.5 dB amplification of an orbital angular momentum (OAM) beam through a co-pumped fiber Raman amplifier based on a commercial step-index few mode fiber. Preliminary estimate of mode purity upon amplification is 85%.
Volume
Part F75-ASSL 2017