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Nanosecond pulse pumped, fiber-integrated narrow linewidth linearly polarized Raman amplifier at 1120 nm
Author(s): Pengfei Zhang; Lijia Yang; Rongtao Su; Xiaolin Wang; Pu Zhou
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Paper Abstract

In this manuscript, we demonstrated a watt-level average power narrow linewidth linearly polarized fiber-integrated Raman amplifier core pumped by a pulsed laser with center wavelength of 1064 nm. The gain medium in the amplifier stage is a 100-meters-long polarization-maintaining (PM) single-mode fiber. Seeded by a single-frequency (S-F) distributed feedback (DFB) diode laser, ~3.2 ns duration tunable 1120 nm laser is obtained with peak power of ~360 W. The average power of the Raman laser are 0.62W, 1.22 W and 1.83W with repetition rates of 500 KHz, 1 MHz and 1.5 MHz, respectively. More than 50% slope efficiency and 42 dB amplification is achieved. The polarization extinction rate (PER) of the Raman laser is measured to be ~21 dB.

Paper Details

Date Published: 24 October 2017
PDF: 5 pages
Proc. SPIE 10457, AOPC 2017: Laser Components, Systems, and Applications, 104572Z (24 October 2017); doi: 10.1117/12.2285040
Show Author Affiliations
Pengfei Zhang, National Univ. of Defense Technology (China)
Lijia Yang, National Univ. of Defense Technology (China)
Rongtao Su, National Univ. of Defense Technology (China)
Xiaolin Wang, National Univ. of Defense Technology (China)
Pu Zhou, National Univ. of Defense Technology (China)


Published in SPIE Proceedings Vol. 10457:
AOPC 2017: Laser Components, Systems, and Applications
Shibin Jiang; Lijun Wang; Lan Jiang; Long Zhang, Editor(s)

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