[1] [1] M. A. Hase, J. Qiu, J. M. Depuydt et al.. Blue-green laser diodes. Appl. Phys. Lett., 1991, 59(11):1272～1274

[2] [2] R. M. Park, M. B. Troffer, C. M. Rouleau et al.. P-type ZnSe by nitrogen atom beam doping during molecular beam epitaxial growth. Appl. Phys. Lett., 1990, 57(20):2127～2129

[3] [3] H. Jeon, J. Ding, A. V. Nurmikko et al.. Room-temperature blue lasing action in (Zn,Cd) Se/ZnSe optically pumped multiple quantum well structures on lattice-matched (Ga,In)As substrates. Appl. Phys. Lett., 1990, 57(23):2413～2415

[4] [4] V. Pellegrini, A. Parlangeli, M. Borger et al.. Interband second-harmonic generation in Zn1-xCdxSe/ZnSe strained quantum wells. Phys. Rev. B, 1995, 52(8):5527～5530

[5] [5] N. Tomassini, A. D′Andrea, G. Martino et al.. Zn(S,Se)-based superlattices and quantum wells: Band offsets, excitons, linear and nonlinear optical properties. Phys. Rev. B, 1995, 52(15):11113～11119

[6] [6] N. Samarth, H. Luo, J. K. Furdyna et al.. Molecular beam epitaxy of Zn1-xCdxSe epilayers and ZnSe/Zn1-xCdxSe superlattices. Appl. Phys. Lett., 1990, 56(12):1163～1165

[7] [7] R. Atanasov, F. Bassani, V. M. Agranovich. Second-order nonlinear optical susceptibility of asymmetric quantum wells. Phys. Rev. B, 1994, 50(11):7809～7819

[8] [8] R. Hill. Energy-gap variations in semiconductor alloys. J. Phys. C, Solid State Phys. (UK), 1974, 7:521～526

[9] [9] J. F. McGilp, M. Cavanagh, J. R. Power et al.. Spectroscopic optical second-harmonic generation from semiconductor interfaces. Appl. Phys. A, 1994, 59(4):401～405

[10] [10] M. Cini, R. Sole, L. Reining. Theory of second-harmonic generation at semiconductor surfaces. Surface Science, 1993, 287/288:693～698