Experimental observation of breathing solitons and a third harmonic in a tapered photonic crystal fiber. (10th January 2018)

• Record Type: Journal Article
• Authors: Wang, F; Yao, C F; Li, C Z; Jia, Z X; Li, Q; Wu, C F; Ohishi, Y; Qin, W P; Qin, G S
• Is Part Of: Laser physics. Volume 28:Number 2(2018:Feb.)
• Publication Date: 2018-01-10
• Subjects: supercontinuum generation -- fluorotellurite photonic crystal fiber -- tapered fiber -- high-order soliton -- third harmonic; Lasers -- Periodicals; 621.36605
• DOI: 10.1088/1555-6611/aa8852
• Languages: English
• ISSNs: 1054-660X

Abstract

Abstract: We report the experimental observation of breathing solitons and a third harmonic in a tapered fluorotellurite photonic crystal fiber (PCF) pumped by a 1560 nm femtosecond fiber laser. The PCF has a core diameter that varies continuously along its length, resulting in a zero-dispersion wavelength that moves from 1325 nm to 906 nm over the transition region. By finely controlling the dispersion map of the tapered PCF and increasing the order of the optical solitons, their breathing behavior is observed in the frequency domain and the number of breaths goes up to 9. Furthermore, the breathing behavior of the optical soliton is transferred to the third harmonic through inter-modal phase-matched processes in the tapered PCF, and the third harmonic also breathes with an increase in the pump power.