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Photonics 2015, 2(2), 342-354; doi:10.3390/photonics2020342

Harmonic Mode-Locked Fiber Laser based on Photonic Crystal Fiber Filled with Topological Insulator Solution

Shenzhen Key Laboratory of Laser Engineering, Key Laboratory of Advanced Optical Precision Manufacturing Technology of Guangdong Higher Education Institutes, College of Optoelectronic Engineering, Shenzhen University, Shenzhen, Guangdong 518060, China
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Received: 28 February 2015 / Revised: 28 March 2015 / Accepted: 29 March 2015 / Published: 3 April 2015
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Abstract

We reported that the photonic crystal fiber (PCF) filled with TI:Bi2Te3 nanosheets solution could act as an effective saturable absorber (SA). Employing this TI-PCF SA device; we constructed an ytterbium-doped all-fiber laser oscillator and achieved the evanescent wave mode-locking operation. Due to the large cavity dispersion; the fundamental mode-locking pulse had the large full width at half maximum (FWHM) of 2.33 ns with the repetition rate of ~1.11 MHz; and the radio frequency (RF) spectrum with signal-to-noise ratio (SNR) of 61 dB. In addition; the transition dynamics from a bunched state of pulses to harmonic mode-locking (HML) was also observed; which was up to 26th order. View Full-Text
Keywords: Topological Insulator; photonic crystal fiber; mode-locked fiber laser; evanescent wave; harmonic mode-locking Topological Insulator; photonic crystal fiber; mode-locked fiber laser; evanescent wave; harmonic mode-locking
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Chen, Y.-S.; Yan, P.-G.; Chen, H.; Liu, A.-J.; Ruan, S.-C. Harmonic Mode-Locked Fiber Laser based on Photonic Crystal Fiber Filled with Topological Insulator Solution. Photonics 2015, 2, 342-354.

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