Intra-Cavity Astigmatic Mode Converting VECSEL

Nathan S. Gottesman, Michal L. Lukowski, Jason T. Meyer, Chris Hessenius, Ewan M. Wright, Mahmoud Fallahi

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


We report the design and demonstration of a vertical external cavity surface emitting laser with intra-cavity astigmatic mode converters. Using a flexible optical pumping scheme Hermite-Gaussian transverse modes were excited at the gain chip and end mirror, and Laguerre-Gaussian transverse modes were observed between the two astigmatic mode converters. Adjusting the flexible pumping scheme allowed for mode order tuning while the laser was operating.

Original languageEnglish (US)
Article number1538906
JournalIEEE Photonics Journal
Issue number4
StatePublished - Aug 1 2022


  • Astigmatic mode converters
  • Hermite-Gaussian beams
  • Laguerre-Gaussian beams
  • Laser modes
  • Optical resonators
  • Vertical external cavity surface emitting lasers

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering


Dive into the research topics of 'Intra-Cavity Astigmatic Mode Converting VECSEL'. Together they form a unique fingerprint.

Cite this