1.5-μm-band thulium-doped microsphere laser originating from self-terminating transition

Jianfeng Wu, Shibin Jiang, N. Peyghambarian

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

Continuous-wave 1.5-μm-band laser is demonstrated in thulium doped tellurite glass microsphere by single laser pumping. 1.9-μm laser from the lower transition (3F4->3H6) of Tm3+ is generated to depopulate the lower level (3F 4) of 1.5-μm transition (3H 4->3F4) in order to achieve the population inversion. Laser wavelength of 3H4->3F 4 transition is shifted by 30 nm from the emission peak. Slope efficiency of 1.9-μm laser is improved after the 1.5-μm laser starts to lase.

Original languageEnglish (US)
Pages (from-to)10129-10133
Number of pages5
JournalOptics Express
Volume13
Issue number25
DOIs
StatePublished - Dec 12 2005

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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