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Conferences > LAC > 2017 > JTh2A > JTh2A.6

Amplification of Orbital Angular Momentum Beam in a Fiber Raman Amplifier

Shankar Pidishety, Sheng Zhu, P. G. Kazansky, Johan Nilsson, and Balaji Srinivasan

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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%.

© 2017 Optical Society of America

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