Multiple pulses and harmonic mode locking from passive mode-locked Ytterbium doped fiber in anomalous dispersion region

Ja-Hon Lin; Hung-Yi Lee; Wen-Feng Hsieh

doi:10.1117/12.2178624

12 May 2015 Multiple pulses and harmonic mode locking from passive mode-locked Ytterbium doped fiber in anomalous dispersion region

Ja-Hon Lin, Hung-Yi Lee, Wen-Feng Hsieh

Author Affiliations +

Proceedings Volume 9513, High-Power, High-Energy, and High-Intensity Laser Technology II; 951314 (2015) https://doi.org/10.1117/12.2178624
Event: SPIE Optics + Optoelectronics, 2015, Prague, Czech Republic

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 2^nd HML to 6^thharmonic 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.

Citation Download Citation

Ja-Hon Lin, Hung-Yi Lee, and Wen-Feng Hsieh "Multiple pulses and harmonic mode locking from passive mode-locked Ytterbium doped fiber in anomalous dispersion region", Proc. SPIE 9513, High-Power, High-Energy, and High-Intensity Laser Technology II, 951314 (12 May 2015); https://doi.org/10.1117/12.2178624

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