Optical second-harmonic generation from magnetized surfaces

Ru-Pin Pan, H. D. Wei, and Y. R. Shen
Phys. Rev. B 39, 1229 – Published 15 January 1989
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Abstract

We propose optical second-harmonic generation as a means to probe surface magnetization. It is shown that surface magnetization can induce a number of nonlinear susceptibility elements that would vanish otherwise. They are presented for the (001), (110), and (111) surfaces of a fcc centrosymmetric crystal. An order-of-magnitude estimate, using the microscopic expression of the nonlinear susceptibility, suggests that these induced elements are detectable by optical second-harmonic generation with appropriate polarization combinations. The second-harmonic signals from magnetized and nonmagnetized surfaces should exhibit characteristically different rotational anisotropy.

  • Received 7 July 1988

DOI:https://doi.org/10.1103/PhysRevB.39.1229

©1989 American Physical Society

Authors & Affiliations

Ru-Pin Pan

  • Department of Electrophysics, National Chiao Tung University, Hsinchu, Taiwan 30049, Republic of China

H. D. Wei

  • Institute of Electronics, National Chiao Tung University, Hsinchu, Taiwan 30049, Republic of China

Y. R. Shen

  • Department of Physics, University of California, Berkeley, California 94720

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Vol. 39, Iss. 2 — 15 January 1989

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