Search Results - "Benyoucef, M."

Telecom-wavelength (1.5  μ m) single-photon emission from InP-based quantum dots by Benyoucef, M., Yacob, M., Reithmaier, J. P., Kettler, J., Michler, P.

“…We demonstrate pronounced single-photon emission from InAs/AlGaInAs/InP quantum dots (QDs) at wavelengths above 1.5 μm that are compatible with standard…”
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InP-based single-photon sources operating at telecom C-band with increased extraction efficiency by Musiał, A., Mikulicz, M., Mrowiński, P., Zielińska, A., Sitarek, P., Wyborski, P., Kuniej, M., Reithmaier, J. P., Sęk, G., Benyoucef, M.

“…In this work, we demonstrate a triggered single-photon source operating at the telecom C-band with photon extraction efficiency exceeding any reported values…”
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Analysis of dislocation networks in crept single crystal nickel-base superalloy by Boualy, O., Clément, N., Benyoucef, M.

“…The creep behaviour at 1050 °C of oriented MC2 single crystals is analysed by means of SEM and TEM observations. The γ – γ ′ rafting process occurs rapidly and…”
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Telecom wavelength emitting single quantum dots coupled to InP-based photonic crystal microcavities by Kors, A., Fuchs, K., Yacob, M., Reithmaier, J. P., Benyoucef, M.

“…Here we report on the fabrication and optical characterization of InP-based L3 photonic crystal (PhC) microcavities embedded with a medium density InAs/InP…”
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Tuning the exciton binding energies in single self-assembled InGaAs/GaAs quantum dots by piezoelectric-induced biaxial stress by Ding, F, Singh, R, Plumhof, J D, Zander, T, Krápek, V, Chen, Y H, Benyoucef, M, Zwiller, V, Dörr, K, Bester, G, Rastelli, A, Schmidt, O G

“…We study the effect of an external biaxial stress on the light emission of single InGaAs/GaAs(001) quantum dots placed onto piezoelectric actuators. With…”
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Low-density InP-based quantum dots emitting around the 1.5  μ m telecom wavelength range by Yacob, M., Reithmaier, J. P., Benyoucef, M.

“…The authors report on low-density InAs quantum dots (QDs) grown on AlGaInAs surfaces lattice matched to InP using post-growth annealing by solid-source…”
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Antimicrobial activity and chemical composition of Origanum glandulosum Desf. essential oil and extract obtained by microwave extraction: Comparison with hydrodistillation by Bendahou, M., Muselli, A., Grignon-Dubois, M., Benyoucef, M., Desjobert, Jean-Marie, Bernardini, Antoine-François, Costa, Jean

“…Origanum glandulosum Desf. essential oils obtained by hydrodistillation (HD), solvent-free microwave extraction (SFME) and the extract obtained by…”
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Site-controlled growth and luminescence of InAs quantum dots using in situ Ga-assisted deoxidation of patterned substrates by Atkinson, P., Kiravittaya, S., Benyoucef, M., Rastelli, A., Schmidt, O. G.

“…Site-controlled growth of single and pairs of InAs quantum dots is demonstrated on ex situ electron-beam patterned (001) GaAs substrates using in situ…”
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Light emission and wave guiding of quantum dots in a tube by Mendach, S., Songmuang, R., Kiravittaya, S., Rastelli, A., Benyoucef, M., Schmidt, O. G.

“…We present microphotoluminescence investigations of InAs quantum dots (QDs) integrated into self-rolling In Ga As ∕ Ga As strained layers. The emission signal…”
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On-chip Si/SiOx microtube refractometer by Bernardi, A., Kiravittaya, S., Rastelli, A., Songmuang, R., Thurmer, D. J., Benyoucef, M., Schmidt, O. G.

“…The authors fabricate rolled up microtubes consisting of Si/SiOx on Si substrate and analyze the possibility to use them as a refractometric sensor. An aqueous…”
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Late Cretaceous (Cenomanian-Turonian) ammonites from southern Morocco and south western Algeria by Meister, Christian, Piuz, André, Cavin, Lionel, Boudad, Larbi, Bacchia, Flavio, Ettachfini, El M., Benyoucef, M.

“…On the basis of nine lithostratigraphical profiles, 23 cephalopods taxa (nautilus and ammonites) are described from the Preafrican Trough and the Kem Kem…”
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Strongly coupled semiconductor microcavities: A route to couple artificial atoms over micrometric distances by Benyoucef, M., Kiravittaya, S., Mei, Y. F., Rastelli, A., Schmidt, O. G.

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Coherent photocurrent spectroscopy of single InP-based quantum dots in the telecom band at 1.5 mu m by Gordon, S, Yacob, M, Reithmaier, J P, Benyoucef, M, Zrenner, A

“…In this work we study the resonant and coherent properties of single InP-based InAs quantum dots, which show an optical emission in the telecom C-band and…”
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Controlling quantum dot emission by integration of semiconductor nanomembranes onto piezoelectric actuators by Rastelli, A., Ding, F., Plumhof, J. D., Kumar, S., Trotta, R., Deneke, Ch, Malachias, A., Atkinson, P., Zallo, E., Zander, T., Herklotz, A., Singh, R., Křápek, V., Schröter, J. R., Kiravittaya, S., Benyoucef, M., Hafenbrak, R., Jöns, K. D., Thurmer, D. J., Grimm, D., Bester, G., Dörr, K., Michler, P., Schmidt, O. G.

“…This paper reviews the recent advances obtained by integrating semiconductor epitaxial films with embedded self‐assembled quantum dots (QDs) on top of…”
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Nanostructured hybrid material based on highly mismatched III-V nanocrystals fully embedded in silicon by Benyoucef, M., Alzoubi, T., Reithmaier, J. P., Wu, M., Trampert, A.

“…InAs quantum dots were directly grown on (100) planar silicon surfaces and embedded in a defect‐free silicon matrix after a multi‐step silicon overgrowth and…”
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Optical properties of rolled-up tubular microcavities from shaped nanomembranes by Huang, G. S., Kiravittaya, S., Bolaños Quiñones, V. A., Ding, F., Benyoucef, M., Rastelli, A., Mei, Y. F., Schmidt, O. G.

“…Tubular optical microcavities have been fabricated by releasing prestressed SiO / SiO 2 bilayer nanomembranes from polymer sacrificial layers, and their…”
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Pre-patterned silicon substrates for the growth of III-V nanostructures by Benyoucef, M., Usman, M., Alzoubi, T., Reithmaier, J. P.

“…This paper reviews the recent progresses obtained by direct growth of III–V semiconductor quantum dots (QDs) on pre‐patterned and flat silicon substrates. This…”
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Growth of InAs quantum dots and dashes on silicon substrates: Formation and characterization by Alzoubi, T., Usman, M., Benyoucef, M., Reithmaier, J.P.

“…Self assembled InAs quantum dots (QDs) are grown by solid source molecular beam epitaxy on (100) and (111) Si substrates using Stranski–Krastanov (SK) growth…”
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Microcavity enhanced silicon light emitting pn-diode by Potfajova, J., Schmidt, B., Helm, M., Gemming, T., Benyoucef, M., Rastelli, A., Schmidt, O. G.

“…An electrically driven silicon light emitting diode with two distributed Bragg reflectors is reported. The active material is a Si pn-junction fabricated by…”
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Quality-factor enhancement of optical modes mediated by strong coupling in micron-size semiconductor disks by Benyoucef, M., Shim, J.-B., Wiersig, J., Schmidt, O. G.

“…We investigate whispering gallery modes (WGMs) in coupled microdisks both experimentally and theoretically. In order to compensate small fluctuations in the…”
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