Extending laser wavelengths to 1630 nm in centimeter-scale Er-phosphate fiber.
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DOI: 10.1364/ol.480921
Abstract: The spectral bandwidth of Er-doped fibers limits their lasing wavelength at longer wave band. Here, to the best of our knowledge, we report a broad emission band (1420‒1680 nm) of Er3+ and demonstrate for the first… read more here.
Keywords: phosphate; phosphate fiber; extending laser; wavelengths 1630 ... See more keywords