A continuous-wave vortex Raman laser with sum frequency generation

Andrew J. Lee*, Helen M. Pask, Takashige Omatsu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


Sum frequency generation of the fundamental and Stokes fields within an intracavity self-Raman vortex laser is demonstrated in a linear resonator configuration. In this system, the sum frequency field exhibits different spatial profiles in the near and far fields, and a time-varying topological charge which varies between values of +2 and 0. We present a theoretical model which supports these experimental observations.

Original languageEnglish
Article number64
Pages (from-to)1-7
Number of pages7
JournalApplied Physics B: Lasers and Optics
Issue number3
Publication statusPublished - 1 Mar 2016


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