Open AccessEfficiency evaluation of the transverse magneto-optical Kerr effect in magnetoplasmonic structures
Author(s) -
S. I. Pavlov,
А. Б. Певцов,
Sergey A. Dyakov,
D. A. Yavsin,
A. V. Nashchekin
Publication year - 2019
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1400/6/066013
Subject(s) - figure of merit , kerr effect , transverse plane , magneto optic kerr effect , signal (programming language) , physics , condensed matter physics , optics , product (mathematics) , materials science , computer science , mathematics , quantum mechanics , nonlinear system , engineering , geometry , structural engineering , programming language
In this study the new approach to the efficiency evaluation of the transverse magneto-optical Kerr effect is considered. To assess the prospects for the practical use of structures based on TMOKE, the Figure of Merit (FOM) parameter is introduced, which is the product of the reflected/transmitted light intensity and the Kerr signal of the structure. Kerr signal defined as absolute value of the difference of light intensities at opposite magnetizations. It is shown that parameter Figure of Merit (FOM) in proposed form can give more information than the most commonly used relative value of TMOKE. The advantages of the introduced parameter are demonstrated on the example of a magnetoplasmonic structure with thin magnetite films.