科研之友
微信
新浪微博
Facebook
分享链接
摘要
The degenerate three-photon absorption coefficient and cross section associated with the interband transition 1S(3/2)( h)-1S(e) for CdTe spherical quantum dots have been calculated within the two-level model. The band structure and wavefunctions are derived from the 8 x 8 k center dot p Hamiltonian which takes into account the conduction-valence band coupling and the mixing of the valence states. The transition selection rules for three-photon absorption in the case of linearly polarized incident light are discussed in detail. The size-dependent three-photon absorption spectra versus incident photon energy have been obtained and analyzed.
- 出版日期2008-1-16
- 单位武汉大学
