Researchers have developed a new technology that can shape the spectrum of light emitted from a laser frequency comb across ...

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Abstract: We demonstrate a thulium-doped fiber ring laser (TDFRL) integrated with an amplifier, which has a watt-level single-frequency output at 2 $\mu\text{m}$ with a 120-nm wavelength tunability.

Abstract: Narrow linewidth 509 nm single frequency lasers have important applications in interdisciplinary science and advanced practical applications. Here we demonstrate a kHz-level-linewidth 509 nm ...

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