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Quantum-dot (QD) lasers provide superior lasing characteristics compared to quantum-well (QW) and QW wire lasers due to their delta like density of states. Record threshold current densities of 40… (More)
- D. Bhattacharyya, Eugene A. Avrutin, +10 authors Eoin P. O'reilly
- 1999
The spectral and dynamic properties of InAs-GaAs MOCVD-grown vertically stacked self-organized quantum-dot lasers are studied experimentally. A strong mode grouping effect (quasi-periodic modulation… (More)
- Martin Strassburg, Nikolai N. Ledentsov, +8 authors Zh. I. Alferov
- 1998
In this paper we report on gain studies and lasing in excitonic waveguides of CdSe—ZnSe submonolayer structures. In contrast to conventional waveguides and double heterostructure lasers, no… (More)
- Maxim Belousov, V. L. Berkovits, +4 authors Alexey I. Nesvizhskii
- 1994
- Tatiana V. Shubina, Alexey A. Toropov, +11 authors Bo Monemar
- 2003
GaN/AlGaN quantum wells (QWs) of dominant N polarity with inversion domains (IDs), grown by molecular-beam epitaxy, have been studied. Two-band photoluminescence (PL), with the lower-energy band an… (More)
- Zh. I. Alferov, A. M. Vasil’ev, +4 authors D. R. Yakovlev
- 1986
- J. H. Chu, Jung-Chul Seo, +6 authors Pjotr S. Kop'ev
- 1995
The photoluminescence linewidths and excition lifetimes of free excitons in GaAs/AlGaAs multiple quantum wells were systematically investigated as a function of temperature, quantum well width, and… (More)
Abstract : The wide band gap II-IV compounds are considered to be most suitable for manufacturing light emitting diodes (LED) and lasers emitting in a short wavelength range of visible spectrum. Now… (More)
Abstract Cyclotron resonance (CR) experiments have been performed on InAs/GaSb structures, in which InAs (electron) and GaSb (hole) layers are separated by AlSb barriers. Our data reveal that… (More)