Optical Quadrupole Sum-Frequency Generation in Sodium Vapor

D. S. Bethune; R. W. Smith; Y. R. Shen

doi:10.1103/PhysRevLett.37.431

Optical Quadrupole Sum-Frequency Generation in Sodium Vapor

D. S. Bethune, R. W. Smith, and Y. R. Shen

Phys. Rev. Lett. 37, 431 – Published 16 August 1976

Abstract

We show that second-order coherent sum-frequency generation via quadrupole transitions in metal vapors can be easily detected. The process is as strong as the allowed third-order processes. Our experimental results agree very well with theoretical predictions.

Received 21 June 1976

DOI:https://doi.org/10.1103/PhysRevLett.37.431

Authors & Affiliations

D. S. Bethune, R. W. Smith, and Y. R. Shen

Department of Physics, University of California, Berkeley, California 94720, and Materials and Molecular Research Division, Lawrence Berkeley Laboratory, Berkeley, California 94720