Theoretical Treatment of the Hyper-Raman Scattering of Light Under Two-Photon Excitation Near the Lowest Exciton Level in a CdS Crystal

Semenova, L. E.

doi:10.1007/s10946-021-10014-1

Cited by 2 publications

(2 citation statements)

References 45 publications

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“…In addition, as mentioned above, the HRS intensity increase which was explained by the scattering mechanism caused by the two-photon transitions to s-excitons [31] was observed in it [30]. And for the scattering geometry used in the experiment [30] the two-photon transitions to A excitons of the s-type are possible only if q 2 9v ̸ = 0 [45]. Resonant RS induced by the forbidden q-dependent Fröhlich interaction was also observed in CdS [50].…”

Section: Resultsmentioning

confidence: 99%

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Resonant hyper-Raman scattering of light by LO phonons in wurtzite semiconductors

Semenova¹

2022

Laser Phys.

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Theoretical treatment of resonant hyper-Raman scattering of light by LO phonons in wurtzite semiconductors is given. The hyper-Raman process was considered for the scattering geometry y(xxz)x at which it involves the two-photon transitions to the B and C excitons of the s-type. Allowance was made for different sequences of intermediate virtual states. On the example of a CdS crystal the influence of the possible dipole transitions to the deeper valence band on the frequency dependence of the scattering cross section was investigated.

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Section: Resultsmentioning

confidence: 99%

“…The HRS process due to the two-photon dipole transitions to A excitons of the s-type was considered for a CdS crystal in [45]. Because of this, the present paper is devoted to theoretical investigation of the HRS mechanism involving the two-photon transitions to the s-excitons relating to the B and C series.…”

Section: Theoretical Model For Resonant Hrsmentioning

confidence: 99%

Resonant hyper-Raman scattering of light by LO phonons in wurtzite semiconductors

Semenova¹

2022

Laser Phys.

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The Raman and hyper-Raman scatterings of light by LO-phonons in a CdS crystal under excitation near resonance with the A_n=2and B_n=1exciton levels

Semenova

2022

J. Phys.: Conf. Ser.

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The theoretical treatment of the scattering of light by LO-phonons under one-photon and two-photon excitation near resonance with the An=2 and Bn=1 exciton levels in a CdS crystal is given. The influence of the complex structure of the top valence band on these levels is taken into account by the use of the perturbation theory. Assumption of the nonzero matrix elements of the dipole transitions between the A and B sub-bands leads to the fact that the linear combinations of the 1s and 2p exciton wave functions conform to the two “perturbed” energy levels. The possible manifestations of this mixing of states in the resonance Raman and hyper-Raman scatterings are considered.

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Theoretical Treatment of the Hyper-Raman Scattering of Light Under Two-Photon Excitation Near the Lowest Exciton Level in a CdS Crystal

Cited by 2 publications

References 45 publications

Resonant hyper-Raman scattering of light by LO phonons in wurtzite semiconductors

Resonant hyper-Raman scattering of light by LO phonons in wurtzite semiconductors

The Raman and hyper-Raman scatterings of light by LO-phonons in a CdS crystal under excitation near resonance with the A_n=2and B_n=1exciton levels

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Theoretical Treatment of the Hyper-Raman Scattering of Light Under Two-Photon Excitation Near the Lowest Exciton Level in a CdS Crystal

Cited by 2 publications

References 45 publications

Resonant hyper-Raman scattering of light by LO phonons in wurtzite semiconductors

Resonant hyper-Raman scattering of light by LO phonons in wurtzite semiconductors

The Raman and hyper-Raman scatterings of light by LO-phonons in a CdS crystal under excitation near resonance with the An=2and Bn=1exciton levels

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The Raman and hyper-Raman scatterings of light by LO-phonons in a CdS crystal under excitation near resonance with the A_n=2and B_n=1exciton levels