Dual Band Active Nanostructured Core Fiber for Two-Color Fiber Laser Operation

We present the experimental verification of a new type of an active nanostructured fiber devoted to simultaneous laser emission at two wavelengths: 1040 nm and 1534 nm in the fundamental mode. The fiber core is formed with two types of nanorods made of a phosphate glass doped with either Yb 3+ or co...

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