Design of an all-fiber broadband mid-IR source through wavelength translation

TL;DR

This paper presents a compact all-fiber mid-infrared light source operating between 3 and 4.25 micrometers, achieving high efficiency through wavelength translation using FWM in Er3+-doped ZBLAN fiber.

Contribution

It introduces a novel all-fiber design for broadband mid-IR generation with high power conversion efficiency using microstructured fiber and Er3+ doping.

Findings

Power conversion efficiency > 28%

Mid-IR output between 3-4.25 μm

Compact 50 cm fiber-based setup

Abstract

We report design of an efficient ~ 50 cm long all-fiber compact microstructured optical fiber-based 3-4.25 um mid-IR light source with power conversion efficiency > 28% by exploiting FWM with Er3+-doped ZBLAN fiber as the pump.