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Proceedings Paper

Multiple pulses and harmonic mode locking from passive mode-locked Ytterbium doped fiber in anomalous dispersion region
Author(s): Ja-Hon Lin; Hung-Yi Lee; Wen-Feng Hsieh
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Paper Abstract

In this work, we investigate the passive mode-locked Ytterbium-doped fiber laser based on the nonlinear polarization rotation technique. With the grating pairs inside laser cavity for the GVD compensation, the total cavity dispersion is operated within anomalous dispersion region. As the laser operates at fundamental mode locking, it generates 35 MHz repetition rate mode-locked pulse with 3.3 ps pulsewidth and the optical spectrum reveals obvious Kelly side. After adjusting the waveplate or increase the pump power, the 2nd HML to 6th harmonic mode locking (HML) is demonstrated in this laser. Besides, we also generated the bound states of multiple solitons whose separation of each pulse is about several tens of picosecond. The number of solitons and the separation between sequential pulses could be controlled so that it could be used in optical communication.

Paper Details

Date Published: 12 May 2015
PDF: 7 pages
Proc. SPIE 9513, High-Power, High-Energy, and High-Intensity Laser Technology II, 951314 (12 May 2015); doi: 10.1117/12.2178624
Show Author Affiliations
Ja-Hon Lin, National Taipei Univ. of Technology (Taiwan)
Hung-Yi Lee, National Taipei Univ. of Technology (Taiwan)
Wen-Feng Hsieh, National Chiao Tung Univ. (Taiwan)

Published in SPIE Proceedings Vol. 9513:
High-Power, High-Energy, and High-Intensity Laser Technology II
Joachim Hein, Editor(s)

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