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Proceedings Paper

Compression of chirp pulses from a femtosecond fiber based amplifier
Author(s): Rumi Ito; Ken-ichi Takiuchi; Kazuyoku Tei; Shigeru Yamaguchi; Jyun Enokidani; Shin Sumida
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Paper 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.

Paper Details

Date Published: 4 March 2015
PDF: 8 pages
Proc. SPIE 9344, Fiber Lasers XII: Technology, Systems, and Applications, 93442O (4 March 2015); doi: 10.1117/12.2078595
Show Author Affiliations
Rumi Ito, Tokai Univ. (Japan)
Ken-ichi Takiuchi, Tokai Univ. (Japan)
Kazuyoku Tei, Tokai Univ. (Japan)
Shigeru Yamaguchi, Tokai Univ. (Japan)
Jyun Enokidani, OPT-i Co., Ltd (Japan)
Shin Sumida, OPT-i Co., Ltd (Japan)

Published in SPIE Proceedings Vol. 9344:
Fiber Lasers XII: Technology, Systems, and Applications
L. Brandon Shaw, Editor(s)

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