Theoretical treatment, simulation, and experiments of doubly resonant sum-frequency mixing

Yushi Kaneda, Shigeo Kubota

Research output: Contribution to journalArticlepeer-review

43 Scopus citations


We describe the theoretical treatment of the doubly resonant sum-frequency mixing in an external resonator. The nonlinear conversion efficiency is increased by the resonantly enhanced circulating powers at both wavelengths. The model predicts the circulating powers in the resonator at two input wavelengths: the powers that are reflected off the input coupler and the output power at the sum frequency. Numerical simulation gives the design optimization of the system. The result of the simulation is compared with the result of a continuous-wave 355-nm generation experiment, where 0.66-W of output power was obtained.

Original languageEnglish (US)
Pages (from-to)7766-7775
Number of pages10
JournalApplied optics
Issue number30
StatePublished - Oct 20 1997


  • External resonator
  • Frequency conversion
  • Sum-frequency mixing
  • Ultraviolet generation

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering


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