Concepedia

Very low threshold lasing in Er <sup>3+</sup> dopedZBLAN microsphere

Wolf von Klitzing, Erwan Jahier, Romain Long, Francoise Lissillour, V. Lefèvre-Seguin, J. Hare, J. M. Raimond, S. Haroche

Electronics Letters · 1999 · 37 citations · 6 references

DOI

Abstract

A green room temperature up-conversion laser has been demonstrated in a 120 µm diameter microsphere of Er3+ doped ZBLAN. Lasing occurs around 540 nm with a 801 nm diode laser pump. The lasing threshold of only 30 µW of absorbed power is over two orders of magnitude lower than the lowest previously observed.

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