One phonon resonant Raman scattering in quantum wires and free standing wires

Intense laser field effects on the electron Raman scattering in a strained InGaN/GaN quantum well

“…This is because the laser field changes the energy eigenvalues and the corresponding wave functions of the system. The displacement in the peaks position with the variation of the laser field can be discussed as follows: with regard to the results of previous figure, for the allowed transition (3,2), E 32 increases with the increasing laser field, i.e. the peak suffers a blue-shift.…”

“…The resonant peaks (2, 1) and (3, 2) experience a blue-shift, while the SL peaks such as SL (1,2), SL(1, 3) and SL(2, 3) suffer a red-shift. The displacement in the position of the peaks for transitions between ground state and excited states, such as (2, 1) and SL (1,3), are greater than those of transitions between excited states, such as (3, 2) and SL (2,3). The reason for this result is described in the results of Fig.…”

“…the peak experiences a red-shift. For the SL peaks such as SL(1, 2) and SL (1,3), ʁ E is negative and decreases in magnitude with the increasing α 0 , thus these peaks have a blue-shift. But, for the SL(2, 3) peak, ʁ E is negative and increases in magnitude and hence this peak experiences a redshift.…”

“…In the past decade, several researchers have studied the differential cross-section (DCS) for the electron Raman scattering (ERS) to explicate the experimental results [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18]. For example, ERS in asymmetrical multiple quantum wells (QWs) without [9] and with an external electric field [10], effect of built-in electric field on ERS in InGaN/ GaN coupled QWs [11], ERS in semiconductor quantum wire in an external magnetic field [12], ERS in cylindrical quantum wires [13], magnetic field effects on the ERS in coaxial cylindrical quantum well wires [14], one phonon-assisted electron Raman scattering in a wurtzite cylindrical quantum well wire [15], magnetic field effect on the ERS in a cylindrical quantum dot (QD) [16], effects of hydrogenic impurity and geometrical size on the ERS in single and multilayered spherical QDs [17], combined effects of hydrostatic pressure, temperature and external electric field on ERS in a parabolic disc-shaped QD [18] were presented by various authors.…”

Electron Raman scattering in quantum well wires

“…Phonon-assisted Raman scattering has been discussed in many nanostructures [22][23][24][25][26][27]. Meanwhile, Raman scattering without phonon has also been reported, and rich spectra which are the main characteristic of the ERS have been observed [28][29][30].…”