Enhanced spectral mode selection in an aspheric extended-cavity resonator

Zhaohui H. Yang, James R. Leger

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Strong spectral-mode-selection behavior has been observed in a three-mirror solid-state resonator that was constructed by colinearly aligning an aspheric feedback mirror with a standing-wave two-mirror resonator. This spectral mode selection is measured to be much stronger than that predicted by the frequency selection theory of simple Fabry-Perot cavities. Our study shows that the spatial modes and their associated eigenvalues vary at different oscillation wavelengths in a complex extended-cavity resonator. It is the interplay between spatial modes and spectral modes that induces the strong spectral-mode selection.

Original languageEnglish (US)
Pages (from-to)1031-1037
Number of pages7
JournalIEEE Journal of Quantum Electronics
Issue number10
StatePublished - Oct 1 2006


  • Coupled-mode analysis
  • Laser beam shaping
  • Laser resonators
  • Mode discrimination
  • Optical feedback


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