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Volumn 86, Issue 6, 2001, Pages 1122-1125

Ultrafast dynamics of intersubband excitations in a quasi-two-dimensional hole gas

Author keywords

[No Author keywords available]

Indexed keywords

CARRIER CONCENTRATION; ELECTRON RESONANCE; ELECTRON TRANSITIONS; ENERGY GAP; LIGHT ABSORPTION; LIGHT AMPLIFIERS; LIGHT POLARIZATION; MOLECULAR BEAM EPITAXY; PHONONS; PHOTONS; SEMICONDUCTING SILICON COMPOUNDS; SEMICONDUCTOR QUANTUM WELLS;

EID: 17744418033     PISSN: 00319007     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevLett.86.1122     Document Type: Article
Times cited : (34)

References (17)
  • 2
    • 0028304539 scopus 로고
    • J. Faist et al., Science 264, 553 (1994).
    • (1994) Science , vol.264 , pp. 553
    • Faist, J.1
  • 3
    • 0000253566 scopus 로고
    • Z. Xu et al., Phys. Rev. B 51, 10 631 (1995).
    • (1995) Phys. Rev. B , vol.51 , pp. 10631
    • Xu, Z.1
  • 14
    • 0012824733 scopus 로고
    • Components from different interaction sequences of pump and probe fields can contribute to pseudo-two-color pump-probe signals [see, e.g., M. Chachisvilis et al., Chem. Phys. Lett. 234, 141 (1995)]: (i) perturbed free induction decay, (ii) coherent pump-probe coupling, and (iii) strictly sequential pump-probe interaction. Whereas (i) and (ii) contribute only at negative delay times and during pump-probe overlap [Δt < 70 fs], the population difference is reflected by (iii) [Δt ≥ 70 fs].
    • (1995) Chem. Phys. Lett. , vol.234 , pp. 141
    • Chachisvilis, M.1
  • 15
    • 0001215203 scopus 로고
    • Many-body calculations using the local-density approach reported by M. Zaluzny [Phys. Rev. B 49, 2923 (1994)] show that many-body effects have a negligible influence on the shape of absorption changes observed here. Thus, a single-particle picture is appropriate.
    • (1994) Phys. Rev. B , vol.49 , pp. 2923
    • Zaluzny, M.1
  • 16
    • 0342518188 scopus 로고    scopus 로고
    • note
    • Population changes of optically coupled states in the HH1 subband would give rise to an increase of the bleaching component by heating of the HH1 hole plasma; i.e., they cannot account for this decay.
  • 17
    • 0343387791 scopus 로고    scopus 로고
    • note
    • The optical phonon spectrum in strained SiGe/Si quantum wells consists of Si-Si (ℏω = 61 meV), Si-Ge (50 meV), and Ge-Ge (36 meV) oscillations [7].


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.