Tunable dual-wavelength fiber laser with unique gain system based on in-fiber acousto-optic Mach–Zehnder interferometer

Na A. Yan, Xiaofang Han, Pengfa Chang, Ligang Huang, Feng Gao, Xuanyi Yu, Wending Zhang, Ze Zhang, Guoquan Zhang, Jingjun Xu

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

A fast tunable dual-wavelength laser based on in-fiber acousto-optic Mach-Zehnder interferometer (AO-MZI) with new fabrication process is proposed. Not only could the center wavelength of the output laser be optimized with enhanced tuning range about 30 nm by tuning the polarization and the driving frequency of the radio frequency (RF) signal accordingly, but also the spectral spacing between the two output wavelengths could be tuned from ~0 nm to 2.65 nm by controlling the power of the RF signal. The tuning mechanism was also discussed.

Original languageEnglish
Pages (from-to)27609-27615
Number of pages7
JournalOptics Express
Volume25
Issue number22
DOIs
StatePublished - 30 Oct 2017

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