Premium
Third‐harmonic generation in a quantum well with adjustable asymmetry under an electric field
Author(s) -
Yıldırım H.,
Tomak M.
Publication year - 2006
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.200642079
Subject(s) - asymmetry , electric field , quantum , formalism (music) , physics , quantum mechanics , second harmonic generation , density matrix , quantum electrodynamics , condensed matter physics , laser , art , musical , visual arts
Abstract We study third‐harmonic generation in a quantum well represented by a Pöschl–Teller confining potential under an applied electric field. This potential is well suited for such purposes as it can easily become asymmetrical by a correct choice of its parameter set. We calculate the third harmonic generation within the density matrix formalism. Numerical results for a typical GaAs quantum well are presented. We investigate the third‐harmonic generation for several values of asymmetry parameters under small electric fields. It is found to be enhanced with the increasing electric field. While the resulting third‐harmonic generation peak is promising it is still quite smaller than that observed in similar quantum well systems. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)