Topological Charge Mediated Raman Gain Modulation

Xiao Liu; Aku Antikainen; Siddharth Ramachandran

doi:10.1364/CLEO_SI.2021.SM1F.1

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2021),
paper SM1F.1
•https://doi.org/10.1364/CLEO_SI.2021.SM1F.1

Topological Charge Mediated Raman Gain Modulation

Xiao Liu, Aku Antikainen, and Siddharth Ramachandran

CLEO: Science and Innovations 2021

San Jose, California United States
9–14 May 2021
ISBN: 978-1-943580-91-0

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Spatial and Polarization Dynamics in Fibers (SM1F)

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X. Liu, A. Antikainen, and S. Ramachandran, "Topological Charge Mediated Raman Gain Modulation," in Conference on Lasers and Electro-Optics, J. Kang, S. Tomasulo, I. Ilev, D. Müller, N. Litchinitser, S. Polyakov, V. Podolskiy, J. Nunn, C. Dorrer, T. Fortier, Q. Gan, and C. Saraceno, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper SM1F.1.

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Abstract

We demonstrate that conventional Raman gain spectra can be non-trivially modulated by the OAM that fiber modes carry. An attendant “phase-matching” condition allows Raman spectra shifts by ~8 THz and strength modulations by ~20 dB.

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