Abstract
Optical vortex arrays have been achieved in an end-pumped Nd:YVO4 laser pumped by an annular beam. Spontaneous transverse mode locking of Laguerre-Gaussian modes in different frequency-degenerate families has been obtained by merely adjusting the pump power. The maximum output power of 0.88 W and the optical conversion efficiency of 13.6 % are achieved for optical vortex arrays. Optical vortex arrays formed in different frequency-degenerate families of Laguerre-Gaussian modes can be actively controlled by the position of the axicon. This work provides a way to research transverse mode locking of Laguerre-Gaussian modes in different frequency-degenerate families based on annular beam pumping.
Original language | English |
---|---|
Article number | 425520 |
Pages (from-to) | 3195-3198 |
Number of pages | 4 |
Journal | Optics Letters |
Volume | 46 |
Issue number | 13 |
DOIs | |
Publication status | Published - 8 Jun 2021 |
Keywords
- Atomic and Molecular Physics, and Optics