Compression of chirp pulses from a femtosecond fiber based amplifier

Rumi Ito; Ken-ichi Takiuchi; Kazuyoku Tei; Shigeru Yamaguchi; Jyun Enokidani; Shin Sumida

doi:10.1117/12.2078595

4 March 2015 Compression of chirp pulses from a femtosecond fiber based amplifier

Rumi Ito, Ken-ichi Takiuchi, Kazuyoku Tei, Shigeru Yamaguchi, Jyun Enokidani, Shin Sumida

Proceedings Volume 9344, Fiber Lasers XII: Technology, Systems, and Applications; 93442O (2015) https://doi.org/10.1117/12.2078595
Event: SPIE LASE, 2015, San Francisco, California, United States

Abstract

We demonstrate a single mode fiber based master oscillator power amplifier (MOPA) with a single polarization and a fully monolithic design. We have built a passive mode-locked polarization maintaining Yb doped fiber as the master oscillator contains a semiconductor saturable absorber mirror and a chirped fiber Bragg grating for the dispersion management. The net intracavity dispersion was managed to be slightly anomalous. The oscillator generates the 150 fs (sech₂) pulses at the center wavelength of 1065 nm, and the repetition rate of 42 MHz. The oscillator output was amplified to 1.4 W from 80 mW in the single stage fiber amplifier which results in pulse shape distortion. The pulse shaping with a band pass filter and a compressor was applied to the amplified pulses. The shaping pulses have the pulse width of 90 fs and the pulse energy of 16 nJ.

Citation Download Citation

Rumi Ito, Ken-ichi Takiuchi, Kazuyoku Tei, Shigeru Yamaguchi, Jyun Enokidani, and Shin Sumida "Compression of chirp pulses from a femtosecond fiber based amplifier", Proc. SPIE 9344, Fiber Lasers XII: Technology, Systems, and Applications, 93442O (4 March 2015); https://doi.org/10.1117/12.2078595

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