High power femtosecond pulses amplified by an all-fiber system based on the model of self-similar amplification

Tianxin Yang; Tianhe Wang; Delin Yang; Junlong Wang; Mei Sang

doi:10.1117/12.875854

21 February 2011 High power femtosecond pulses amplified by an all-fiber system based on the model of self-similar amplification

Tianxin Yang, Tianhe Wang, Delin Yang, Junlong Wang, Mei Sang

Author Affiliations +

Proceedings Volume 7914, Fiber Lasers VIII: Technology, Systems, and Applications; 79142S (2011) https://doi.org/10.1117/12.875854
Event: SPIE LASE, 2011, San Francisco, California, United States

Abstract

In this paper a theoretical model of self-similar amplifications is studied experimentally in an all-fiber high power amplifier. The output vs. input characteristics of this amplifier are measured when the various femtosecond pulses at different energies and different shapes are inputted. It is verified that the all-fiber high power amplifier system is indeed operating in the way of self-similar amplifications by analyzing the data of the amplified pulses along with the data of the input pulses. Finally, nearly transform-limited ultra-short pulses with high average power of 500 mW and time-bandwidth product of 0.342 are obtained by compressing the output pulses from the fiber amplifier to the ultra-short pulses of 113 fs at the center wavelength of 1552nm using a segment of DCFs with large negative group velocity dispersion. The results demonstrated that the operating mode of the amplifier is consistent with the typical self-similar amplification model.

Citation Download Citation

Tianxin Yang, Tianhe Wang, Delin Yang, Junlong Wang, and Mei Sang "High power femtosecond pulses amplified by an all-fiber system based on the model of self-similar amplification", Proc. SPIE 7914, Fiber Lasers VIII: Technology, Systems, and Applications, 79142S (21 February 2011); https://doi.org/10.1117/12.875854

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