Abstract
We report the observation of oscillations with delay time in the time integrated four-wave-mixing signal emitted following sub-picosecond two-beam excitation. The oscillations are shown to originate from exciton-biexciton interference in the photon-echo signal. The results are modelled within the density-operator framework and good agreement is found. The dependence of biexciton binding energy on well width is obtained from the variation in oscillation period. © 1998 Elsevier Science B.V. All rights reserved.
| Original language | English |
|---|---|
| Pages (from-to) | 654-661 |
| Number of pages | 8 |
| Journal | Journal of Crystal Growth |
| Volume | 184-185 |
| Publication status | Published - 1998 |
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Keywords
- Biexcitons
- Four-wave mixing
- Quantum wells
Cite this
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Coherent exciton-biexciton interaction studied by femtosecond spectroscopy. / Galbraith, I.; Blewett, I. J.; Tookey, A.; Kar, A. K.; Wherrett, B. S.
In: Journal of Crystal Growth, Vol. 184-185, 1998, p. 654-661.Research output: Contribution to journal › Article
TY - JOUR
T1 - Coherent exciton-biexciton interaction studied by femtosecond spectroscopy
AU - Galbraith, I.
AU - Blewett, I. J.
AU - Tookey, A.
AU - Kar, A. K.
AU - Wherrett, B. S.
PY - 1998
Y1 - 1998
N2 - We report the observation of oscillations with delay time in the time integrated four-wave-mixing signal emitted following sub-picosecond two-beam excitation. The oscillations are shown to originate from exciton-biexciton interference in the photon-echo signal. The results are modelled within the density-operator framework and good agreement is found. The dependence of biexciton binding energy on well width is obtained from the variation in oscillation period. © 1998 Elsevier Science B.V. All rights reserved.
AB - We report the observation of oscillations with delay time in the time integrated four-wave-mixing signal emitted following sub-picosecond two-beam excitation. The oscillations are shown to originate from exciton-biexciton interference in the photon-echo signal. The results are modelled within the density-operator framework and good agreement is found. The dependence of biexciton binding energy on well width is obtained from the variation in oscillation period. © 1998 Elsevier Science B.V. All rights reserved.
KW - Biexcitons
KW - Four-wave mixing
KW - Quantum wells
UR - http://www.scopus.com/inward/record.url?scp=0347800302&partnerID=8YFLogxK
M3 - Article
VL - 184-185
SP - 654
EP - 661
JO - Journal of Crystal Growth
JF - Journal of Crystal Growth
SN - 0022-0248
ER -