Exciton-related optical nonlinearities in semiconductors and semiconductor microcrystallites

Henneberger, F.; Woggon, U.; Puls, J.; Spiegelberg, Christine

doi:10.1007/bf00698650

Cited by 33 publications

(8 citation statements)

References 17 publications

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“…21). The first nonlinear absorption experiments on I-VII crystallites were performed by a single beam technique in CuBr-doped glasses and the excitation-dependent blue-shift of the confined exciton was detected [158]. Later studies were based on two-beam experiments with independently tunable pump and probe sources and performed at CuC1-doped glasses [174, 1751 and CuBr-doped glasses [176].…”

Section: Muny-particle Interactionsmentioning

confidence: 99%

Excitons in Quantum Dots

Woggon¹,

Гапоненко

1995

Physica Status Solidi (b)

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126

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Section: Muny-particle Interactionsmentioning

confidence: 99%

Excitons in Quantum Dots

Woggon¹,

Гапоненко

1995

Physica Status Solidi (b)

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126

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“…Fig. 3 represents the experimental data on nonlinear optical effects in CuBr microcrystals obtained by Henneberger et al [8].…”

Section: Nonlinear Optical Properties Of Semiconductor-doped Glassesmentioning

confidence: 99%

“…The obtained results were attributed to many-body effects in a quantum-confined exciton system. The authors of [8] pointed out that the excitons confined in a microcrystal give rise to larger optical nonlinearities than in the corresponding bulk material.…”

Section: Nonlinear Optical Properties Of Semiconductor-doped Glassesmentioning

confidence: 99%

Nonlinear Optics of Semiconductor‐Doped Glasses

Ekimov

Efros

1988

Physica Status Solidi (b)

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A. 1. E m o v (a) and A. L. EFROS (b)Nonlinear optical properties of semiconductor-doped glasses are reviewed. A growth technique enabling to obtain semiconductor microcrystals with controlled sizes grown in a glassy matrix is described. It is shown that the optical properties of such systems are determined by the energy spectrum of the electron-hole pairs confined in the small-size microcrystals. The dependences of these spectra on the microcrystal size are analysed. The effect of the blue-shift of the spectra occurring a t high excitation levels is discussed. At excitation with light of photon energy below the energy gap of the glass photoionization is discovered. In this process the electron is ejectedfrom the microcrystal to the glass where it is captured by the long-lived centers. The latter process is likely to explain the effect of the glass darkening and the formation of permanent volume grating.

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“…35,48,and 49, in the glasses under consideration, almost complete bleaching is observed. 35,48,and 49, in the glasses under consideration, almost complete bleaching is observed.…”

Section: Absorption Saturation In Cdsse Microcrystalsmentioning

confidence: 86%

“…(h)y2 (49) where is the Fermi integral with index Y2. (h)y2 (49) where is the Fermi integral with index Y2.…”

Section: Absorption Saturation In Cdsse Microcrystalsmentioning

confidence: 99%