Efficient self-similar evolution and intensity noise suppression in high-gain femtosecond fiber amplifiers using pump-wavelength optimization

Author(s):  
Sijia Wang ◽  
Peng Qin
2021 ◽  
Vol 2021 ◽  
pp. 1-7
Author(s):  
Sijia Wang ◽  
Peng Qin ◽  
Huibin Wang

We demonstrate an efficient scheme to accelerate the self-similar pulse evolution and reduce the intensity noise of a free-running femtosecond fiber amplifier based on the pump wavelength optimization. Experiments and simulations indicate the enhanced tolerances of the pulse self-similar amplification to the seed signal power and pump wavelength fluctuations, with the optimum 915 nm pump wavelength. ∼20% increase in the compressed pulse quality and ∼31% reduction in the amplifier root-mean-square (RMS) relative intensity noise (RIN) (1.5 kHz to 5 MHz) have been observed, even with a more than 4 times higher pump laser diode (LD) RIN than the case of 976 nm. ∼50 fs transform-limited pulses are generated with the ∼0.03% amplifier RMS RIN. The proposed scheme can lower the requirements of low-noise self-similar femtosecond fiber amplifiers on the power stability of the seed oscillator and the thermal control of the pump LD, thus denoting potentials for the various satellite-based high-precision applications of femtosecond laser in space.


Author(s):  
Robert E. Tench ◽  
Clement Romano ◽  
Jean-Marc Delavaux ◽  
Thierry Robin ◽  
Benoit Cadier ◽  
...  

1992 ◽  
Vol 4 (12) ◽  
pp. 1342-1344 ◽  
Author(s):  
M.N. Zervas ◽  
R.I. Laming ◽  
J.E. Townsend ◽  
D.N. Payne

2015 ◽  
Vol 40 (9) ◽  
pp. 1964 ◽  
Author(s):  
Can Li ◽  
Shanhui Xu ◽  
Xiang Huang ◽  
Yu Xiao ◽  
Zhouming Feng ◽  
...  

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