Structure and Optical Properties of V-Groove Quantum Wire Superlattices (2008)
Ducommun, Y., Martinet, E., Weman, H., Biasiol, G., Gustafsson, A., Kapon, E.
Tunneling and Coupling between One-Dimensional States in Coupled Quantum Wires (2008)
Weman, H., Oberli, D.Y., Reinhardt, F., Gustafsson, A., Kapon, E.
Optical emission from a V-groove quantum wire laser diode immersed in high magnetic fields (2008)
Sirigu, L., Weman, H., Karlsson, K.F., Oberli, D.Y., Rudra, A., Kapon, E.
Polarization-Resolved Optical Absorption in Single V-groove Quantum Wires (2008)
Palmgren, S., Weman, H., SchoenbergKarlsson, A., Karlsson, K.F., Dupertuis, M.A., Leifer, K., ...
Influence of long-range substrate roughness in V-groove quantum wire structures (2008)
Reichardt, H., Leifer, K., Pelucchi, E., Karlsson, K.F., Weman, H., Rudra, A., ...
Strongly reduced exciton transfer between quantum wires (2008)
Karlsson, K.F., Weman, H., Leifer, K., Rudra, A., Kapon, E., Lyo, S.K.
Quantum confined Stark effect in quantum wires: Wave function splitting and cascading (2007)
Dupertuis, M. A., Martinet, E., Weman, H., Kapon, E.
We show that the two-dimensional quantum confined Stark effect in a semiconductor quantum wire can display novel behaviour, i.e. wave function splitting and cascading. No analog to these phenomena...
Band-mixing and coupling in single and double quantum wire structures (2007)
Dupertuis, M. A., Vouilloz, F., Oberli, D. Y., Weman, H., Kapon, E.
The electronic states in the conduction and valence bands of quantum wires are studied by means of the effective mass hamiltonian and the Luttinger hamiltonian. The band mixing effects due to the...
Tunneling and coupling between one-dimensional states in double quantum wires (2007)
Weman, H., Oberli, D. Y., Dupertuis, M. A., Reinhardt, F., Gustafsson, A., Kapon, E.
Evidence of tunneling and electronic coupling in a one-dimensional system is reported. This is accomplished by comparing low-temperature photoluminescence and photoluminescence excitation spectra of...
Weman, H., Martinet, E., Dupertuis, M. A., Rudra, A., Leifer, K., Kapon, E.
We report on the electric field effects in photoluminescence (PL) and PL excitation (PLE) measurements of reverse-biased GaAs V-groove quantum wires. We observe large redshifts (9 meV at 265 kV/cm)...
Carrier-induced effects on absorption and emission in V-groove quantum wire diodes (2007)
Weman, H., Martinet, E., Dupertuis, M. A., Rudra, A., Kapon, E.
We report on carrier-induced effects on emission and absorption in forward biased GaAs/AlGaAs V-groove quantum wire (QWR) diodes observed using low-temperature (10 K) photoluminescence (PL),...
Weman, H., Dupertuis, M. A., Martinet, E., Rudra, A., Kapon, E.
We report on efficient, narrow linewidth exciton recombination in GaAs/AlGaAs V-groove quantum wire light-emitting diodes at room temperature. The high efficiency is due to a selective carrier...
Electrolummescence of asymmetric coupled GaAs/AlGaAs V-groove quantum wires (2007)
Karlsson, K. F., Weman, H., Dupertuis, M. A., Leifer, K., Rudra, A., Kapon, E.
We have studied systems of asymmetric coupled GaAs V-groove quantum wires, in which the electrons and holes are injected into different wires. Our experimental results indicate efficient electron and...
Fractional-dimensional excitonic absorption theory applied to V-groove quantum wires (2007)
Karlsson, K. F., Dupertuis, M. A., Weman, H., Kapon, E.
A fractional-dimensional approach is applied to a realistic V-groove quantum wire in order to calculate the excitonic absorption spectrum. An excellent agreement is obtained with much more...
Karlsson, K. F., Weman, H., Dupertuis, M. A., Leifer, K., Rudra, A., Kapon, E.
We have studied systems of asymmetric coupled GaAs V-groove quantum wires p-i-n diodes, in which the electrons and holes are injected into different wires. Despite the use of a 7 nm thick AlGaAs...
Leifer, K, Mautino, S, Weman, H, Rudra, A, Pelucchi, E, Bobard, F, ...
Magneto-electroluminescence study of single and double V-groove quantum wires (2001)
Weman, H., Jullian, S., Dupertuis, M. A., Potemski, M., Rudra, A., Kapon, E.
Light scattering from self-assembled quantum disks. (1998)
Hawrylak, P., Potemski, M., Lockwood, D. J., Labbe, H. J., Weman, H., Kamada, H., ...
Weman, H., Pryor, C., Miller, M., Merz, J.
(Al,Ga)As serpentine superlattice (SSL) quantum-wire arrays with a paraboliccrescent cross section have been grown on vicinal GaAs substrates by molecular beam epitaxy. The quantum wires have...
Weman, H., Pryor, C., Miller, M., Merz, J.
(Al,Ga)As serpentine superlattice (SSL) quantum-wire arrays with a paraboliccrescent cross section have been grown on vicinal GaAs substrates by molecular beam epitaxy. The quantum wires have...
Weman, H., Pryor, C., Miller, M., Merz, J.
(Al,Ga)As serpentine superlattice (SSL) quantum-wire arrays with a paraboliccrescent cross section have been grown on vicinal GaAs substrates by molecular beam epitaxy. The quantum wires have...