Abstract

We report on an in-band-pumped Dy-doped ZBLAN fiber laser with tunable emission wavelength in the mid-IR range from 2.925 to 3.250 $\mu$ m and single-frequency operation. Using the combination of an intracavity germanium etalon and a reflective diffraction grating, we demonstrate the selection of single-frequency operation with emission linewidth narrower than 110 kHz, maximum output power of $\sim 40$ mW, and relative intensity fluctuations at a level of 0.9% over an integration bandwidth from 1 Hz to 10 MHz.

Widely tunable single-frequency Er-doped ZBLAN fiber laser with emission from 3.37 to 3.72 µm

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Tunable passively Q-switched Dy³⁺-doped fiber laser from 2.71 to 3.08  μm using PbS nanoparticles

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Single-frequency Ho³⁺-doped ZBLAN fiber laser at 1200 nm

Xiushan Zhu, Jie Zong, Andy Miller, Kort Wiersma, R. A. Norwood, Narasimha S. Prasad, Arturo Chavez-Pirson, and N. Peyghambarian
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Widely wavelength tunable gain-switched Er³⁺-doped ZBLAN fiber laser around 2.8 μm

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Opt. Express 25(8) 8816-8827 (2017)