Single-pump multiwavelength hybrid raman-EDF laser using a non-adiabatic microfiber interferometer

• Published in: Indonesian Journal of Electrical Engineering and Computer Science
• Main Author: Ali M.I.M.; Naim N.F.; Ibrahim M.F.
• Format: Article
• Language: English
• Published: Institute of Advanced Engineering and Science 2020
• Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85079408929&doi=10.11591%2fijeecs.v18.i3.pp1446-1453&partnerID=40&md5=3171ddf1aa17c242104ad75ba8e569bf

This paper presents a multiwavelength fiber laser utilizing non-adiabatic tapered EDF based Mach Zehnder Interferometer (MZI) in hybrid Raman-EDF gains design with a linear cavity. A stable laser was obtained from the single pump with a 1497 nm wavelength through the employment of a 20:80 optical circulators and 99% reflective mirror. The generated backward propagating oscillates inside the laser cavity generate the stable multiwavelength output with 4 channels, which is coupled out via the 10:90 coupler and the output laser is characterized using an OSA with a resolution of 0.015 nm. The hybrid Raman-EDF gain is pumped from the external cavity by a Raman Pump Unit (RPU) and produced a stable multiwavelength laser output with SMSR of 28.9 dBm for 300 mW pump power, 30.7 dBm for 1000 mW pump power and 33.7 dBm for 1500 mW pump power. Copyright © 2020 Institute of Advanced Engineering and Science. All rights reserved.