We present a scheme for the determination of the vector nature of an electric field by optical second-harmonic generation. We demonstrate the technique by mapping the two-dimensional electric-field vector of a biased transmission line structure on silicon with a spatial resolution of ~10μm .
© 1999 Optical Society of America
J. I. Dadap, J. Shan, A. S. Weling, J. A. Misewich, A. Nahata, and T. F. Heinz, "Measurement of the vector character of electric fields by optical second-harmonic generation," Opt. Lett. 24, 1059-1061 (1999)