2 μm lasing from highly thulium doped tellurite glass microsphere

Jianfeng Wu, Shibin Jiang, Tiequn Qua, Makoto Kuwata-Gonokami, N. Peyghambarian

Research output: Contribution to journalArticlepeer-review

58 Scopus citations

Abstract

A single mode microsphere laser at 2 μm is demonstrated from a highly thulium doped tellurite glass microsphere. Glass samples with various doping concentrations are fabricated and characterized to choose the material with the highest pump efficiency. The laser wavelength is redshifted from the emission peak of thulium ions at 1800 nm due to the different mode distribution inside the microsphere. The laser line width (full width at half maximum) is measured as 115 MHz.

Original languageEnglish (US)
Article number211118
Pages (from-to)1-3
Number of pages3
JournalApplied Physics Letters
Volume87
Issue number21
DOIs
StatePublished - Nov 25 2005

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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