scholarly journals Filamentation and coalescence of singular optical pulses in narrow-gap semiconductors and modeling of self-organization of vortex solitons using two-photon absorption

2010 ◽  
Vol 81 (3) ◽  
Author(s):  
V. Skarka ◽  
N. B. Aleksić ◽  
M. Derbazi ◽  
V. I. Berezhiani
Author(s):  
В.Р. Расулов ◽  
Р.Я. Расулов ◽  
Б.Б. Ахмедов ◽  
И.А. Муминов

Interband two-photon optical transitions are classified and expressions are obtained for the matrix elements in a narrow-gap semiconductor depending on the band parameters, degree of polarization, and light frequency. It is shown that the main contribution to two-photon linear-circular dichroism in narrow-gap semiconductors is made by optical transitions proceeding from the subband of light holes to the conduction band. The dependences of the partial coefficients of interband two-photon absorption of light, which differ from each other by the types of optical transitions, are analyzed depending on the degree of polarization of the light, and a quantitative analysis of the coefficient of linear-circular dichroism of two-photon absorption of light is carried out. Expressions are obtained for the spectral dependence of the coefficient of interband two-photon absorption of light in narrow-gap semiconductors in the Kane model.


2005 ◽  
Vol 12 (2) ◽  
pp. 122-125 ◽  
Author(s):  
Koichi Aizawa ◽  
Hiroyuki Aoki ◽  
Yoshimasa Ito ◽  
Yosuke Tanaka ◽  
Takashi Kurokawa

1996 ◽  
Vol 43 (9) ◽  
pp. 1765-1771 ◽  
Author(s):  
M. W. HAMILTON and D. S. ELLIOTT

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