Introducing the Fast Inverse NFT

Vishal Vaibhav; Sander Wahls

doi:10.1364/OFC.2017.Tu3D.2

Optical Fiber Communication Conference
OSA Technical Digest (online) (Optica Publishing Group, 2017),
paper Tu3D.2
•https://doi.org/10.1364/OFC.2017.Tu3D.2

Introducing the Fast Inverse NFT

Vishal Vaibhav and Sander Wahls

Optical Fiber Communication Conference 2017

Los Angeles, California United States
19–23 March 2017
ISBN: 978-1-943580-23-1

From the session
Linear and Nonlinear Multicarrier Systems (Tu3D)

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V. Vaibhav and S. Wahls, "Introducing the Fast Inverse NFT," in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optica Publishing Group, 2017), paper Tu3D.2.

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Abstract

In optical fiber communication, the nonlinear frequency division multiplexing scheme requires a fast inverse nonlinear Fourier transform (NFT). We present two algorithms with $O (N (K + \log^{2} N))$ complexity for Nsamples of a signal comprising Keigenvalues.

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