Nanosecond pulse pumped, fiber-integrated narrow linewidth linearly polarized Raman amplifier at 1120 nm

Pengfei Zhang; Lijia Yang; Rongtao Su; Xiaolin Wang; Pu Zhou

doi:10.1117/12.2285040

24 October 2017 Nanosecond pulse pumped, fiber-integrated narrow linewidth linearly polarized Raman amplifier at 1120 nm

Pengfei Zhang, Lijia Yang, Rongtao Su, Xiaolin Wang, Pu Zhou

Author Affiliations +

Proceedings Volume 10457, AOPC 2017: Laser Components, Systems, and Applications; 104572Z (2017) https://doi.org/10.1117/12.2285040
Event: Applied Optics and Photonics China (AOPC2017), 2017, Beijing, China

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.

Citation Download Citation

Pengfei Zhang, Lijia Yang, Rongtao Su, Xiaolin Wang, and Pu Zhou "Nanosecond pulse pumped, fiber-integrated narrow linewidth linearly polarized Raman amplifier at 1120 nm", Proc. SPIE 10457, AOPC 2017: Laser Components, Systems, and Applications, 104572Z (24 October 2017); https://doi.org/10.1117/12.2285040

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