Octave spanning supercontinuum generation with a few-mode fiber

Mohd Zamani Zulkifli and Moh. Yasin and Noor Azura Awang and Kuen Yao Lau and Farah Diana Muhammad and Abdul Kadir Zamzuri (2020) Octave spanning supercontinuum generation with a few-mode fiber. Laser Physics, 30 (7). ISSN 1054-660X

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Abstract

We propose and demonstrate the generation of a supercontinuum with a few-mode fiber. Due to the accommodation of a few-mode fiber in LP01 and LP11 modes, the system was engineered to detect the octave spanning supercontinuum in both modes. A mode-locked laser with 5.2 nm spectral bandwidth at a central wavelength of 1557 nm, 0.92 ps pulse width, 13.36 MHz repetition rate, and 61.3 dB peak-To-pedestal extinction ratio was implemented with a carbon nanotube saturable absorber. This mode-locked laser was employed as a seed laser for the consecutive generation of supercontinuum with a 500 m few-mode fiber. The laser modes were adjusted with a mode filter to propagate in either LP01 or LP11 modes, which were accessed with a charge-coupled device camera. A fair comparison between a few-mode fiber and a single-mode fiber was made for supercontinuum generation in the LP01 mode. Despite the fact that the few-mode fiber has lower optical power than the single-mode fiber due to higher attenuation, this fiber provides flexible design of laser modes. This work demonstrates the first attempt to generate a supercontinuum with a few-mode fiber, whereby the broad tunable soliton and associated dispersive wave sources for both laser modes were comprehensively studied. © 2020 Astro Ltd.

Item Type: Article
Additional Information: cited By 0
Uncontrolled Keywords: Carbon nanotubes; CCD cameras; Charge coupled devices; Fibers; Mode-locked fiber lasers; Pulse repetition rate; Saturable absorbers; Single mode fibers, Central wavelength; Dispersive waves; Extinction ratios; Few-mode fibers; Flexible designs; Mode-locked laser; Repetition rate; Spectral bandwidth, Supercontinuum generation
Subjects: Q Science > QC Physics > QC1-999 Physics
Divisions: Artikel Ilmiah > SCOPUS INDEXED JOURNAL
Creators:
CreatorsNIM
Mohd Zamani ZulkifliUNSPECIFIED
Moh. YasinNIDN0003126704
Noor Azura AwangUNSPECIFIED
Kuen Yao LauUNSPECIFIED
Farah Diana MuhammadUNSPECIFIED
Abdul Kadir ZamzuriUNSPECIFIED
Depositing User: Ika Rudianto
Date Deposited: 03 Feb 2021 05:22
Last Modified: 03 Feb 2021 05:22
URI: http://repository.unair.ac.id/id/eprint/102307
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