Novel Fiber Design for Wideband Conversion and Amplification in Multimode Fibers

TL;DR

This paper introduces a new fiber design enabling broadband, tunable mode conversion and amplification in multimode fibers through inter-modal four wave mixing, achieving a 30 nm bandwidth with a simple step-index silica fiber.

Contribution

It presents a novel fiber design and operating principle for broadband, tunable mode conversion and amplification in multimode fibers, demonstrated with a 30 nm bandwidth.

Findings

Achieved 30 nm bandwidth for mode conversion and amplification.

Demonstrated tunability and broadband operation in a simple fiber design.

Utilized inter-modal four wave mixing in multimode fibers.

Abstract

We propose an operating principle to achieve broadband and highly tunable mode conversion and amplification exploiting inter-modal four wave mixing in a multimode fiber. A bandwidth of 30 nanometers is demonstrated by properly designing a simple step-index silica fiber.