Multi-wavelength erbium-doped fiber laser assisted by four-wave mixing effect

Document Type

Article

Publication Date

1-1-2009

Abstract

Multi-wavelength erbium-doped fiber laser (EDFL) is demonstrated using a piece of a bismuth-based erbium-doped fiber (Bi-EDF) in a simple ring resonator. The proposed EDFL is able to generate up to 17 lines with a constant channel spacing of 0.41 nm at 1615.5 nm region using only a piece of 215 cm long of Bi-EDF as both linear and nonlinear gain medium. However, the number of lines reduces to two with the use of 49 cm long of Bi-EDF. The multi-wavelength generation is due to oscillating Bi-EDF laser lines which interacts each other to create new photons at other frequency via four-wave mixing process. The multi-wavelength EDFL is stable at room temperature and also compact due to use of only a very short length of gain medium.

Keywords

Bismuth erbium doped fiber, Four wave mixing, Multi-wavelength laser, Ring cavity

Publication Title

Laser Physics Letters

ISSN

1612-2011

Divisions

fac_eng,PHYSICS

Volume

6

Issue

11

Publisher

IOP Publishing

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