Optical Lattices Achieved by Excitons in Periodic Quantum Well Structures

Hübner, Matthias; Prineas, J. P.; Ell, C.; Brick, P.; Lee, E. S.; Khitrova, G.; Gibbs, H. M.; Koch, S. W.

doi:10.1103/physrevlett.83.2841

Cited by 115 publications

(85 citation statements)

References 17 publications

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“…The results of this discussion will be useful in better understanding the results of Ref. 6 and similar experiments.…”

Section: Introductionmentioning

confidence: 86%

“…Consider, for instance, recent experiments described in Ref. 6, where reflection and luminescence were studied for structures with up to 100 QW's. These experiments used the so called Bragg resonance structures, for which the period of the structure, a, satisfies the Bragg resonance condition, a/2 = λ 0 , for the wavelength λ 0 of the radiation at the first heavyhole exciton resonance frequency ω 0 .…”

Section: Introductionmentioning

confidence: 99%

“…Lett. 83, 2841(1999] carried out with long multiple quantum well structures. It is argued that the discussion of quantum well structures with large number of wells is more appropriate in terms of normal modes of infinite periodic structures rather then in terms of superand sub-radiant modes.…”

mentioning

confidence: 99%

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Polariton dispersion law in periodic-Bragg and near-Bragg multiple quantum well structures

Deych

Lisyansky

2000

Phys. Rev. B

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The structure of polariton spectrum is analyzed for periodic multiple quantum well structures with periods at or close to Bragg resonance condition at the wavelength of the exciton resonance. The results obtained used to discuss recent reflection and luminescent experiments by M. Hübner et al [Phys. Rev. Lett. 83, 2841(1999] carried out with long multiple quantum well structures. It is argued that the discussion of quantum well structures with large number of wells is more appropriate in terms of normal modes of infinite periodic structures rather then in terms of superand sub-radiant modes.

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“…The results of this discussion will be useful in better understanding the results of Ref. 6 and similar experiments.…”

Section: Introductionmentioning

confidence: 86%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Polariton dispersion law in periodic-Bragg and near-Bragg multiple quantum well structures

Deych

Lisyansky

2000

Phys. Rev. B

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“…1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 The main motivation for this interest is the potential in these systems for effective control of the light-matter interaction. Quantum wells in MQW structures are separated from each other by relatively thick barriers, which prevent a direct interaction between excitons localized in different wells.…”

Section: Introductionmentioning

confidence: 99%

“…These, so called Bragg MQW structures were quite intensively studied both theoretically 1,2,8,13 and experimentally. 6,9,10,11,12 In the case of structures with a small number of periods, the reconstruction of the optical spectra in Bragg MQW's can be described as a concentration of the oscillator strengths of all oscillators in one super-radiant mode, while all other modes become dark. 2 A presence of the large band gap in the spectrum of Bragg MQW polaritons invites attempts to introduce a defect into a structure in order to create local polariton states with frequencies in the band gap.…”

Section: Introductionmentioning

confidence: 99%

Effects of inhomogeneous broadening on reflection spectra of Bragg multiple quantum well structures with a defect

Erementchouk

Lisyansky

2004

Phys. Rev. B

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The reflection spectrum of a multiple quantum well structure with an inserted defect well is considered. The defect is characterized by the exciton frequency different from that of the host's wells. It is shown that for relatively short structures, the defect produces significant modifications of the reflection spectrum, which can be useful for optoelectronic applications. Inhomogeneous broadening is shown to affect the spectrum in a non-trivial way, which cannot be described by the standard linear dispersion theory. A method of measuring parameters of both homogeneous and inhomogeneous broadenings of the defect well from a single CW reflection spectrum is suggested.

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