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- A. ThrÃ¤nhardt, I. S. Kuznetsova, Christoph Schlichenmaier, S. W. Koch, Joanne M Hader, J. V. Moloney
- 2005

Gain properties of GaInNAs lasers with different nitrogen concentrations in the quantum wells are investigated experimentally and theoretically. Whereas nitrogen incorporation induces appreciableâ€¦ (More)

- C. BÃ¼ckers, A. ThrÃ¤nhardt, +8 authors Y.-H. Percival Zhang
- 2007

G. Blume Fachbereich Physik und Wissenschaftliches Zentrum fÃ¼r Materialwissenschaften, Philipps-UniversitÃ¤t Marburg, Renthof 5, D-35032 Marburg, Germany and Advanced Technology Institute, Universityâ€¦ (More)

- I. S. Kuznetsova, Christoph Schlichenmaier, A. Thranhardt, S. W. Koch, Joanne M Hader, J. V. Moloney
- NUSOD '05. Proceedings of the 5th Internationalâ€¦
- 2005

Radiative losses of laser structures have been investigated using the semiconductor luminescence equations. This microscopic theory allows to predict losses due to spontaneous emission for structuresâ€¦ (More)

- Christoph Schlichenmaier, A. Thranhardt, +7 authors J. V. Moloney
- 2005 Quantum Electronics and Laser Scienceâ€¦
- 2005

Theory/experiment comparisons of optical properties of dilute nitride heterostructures are presented. A type I - type II transition in In/sub 0.23/Ga/sub 0.77/As/GaN/sub x/As/sub 1-x/â€¦ (More)

- A. Thranhardt, Christoph Schlichenmaier, +7 authors W. W. Chow
- (CLEO). Conference on Lasers and Electro-Opticsâ€¦
- 2005

The gain and photoluminescence dynamics is calculated microscopically for several GaInNAs structures. Carrier scattering rates are computed microscopically and implemented into a nonequilibrium gainâ€¦ (More)

The dynamics of optically generated electron-hole pairs is investigated in a disordered semiconductor nanowire. The particle pairs are generated by short laser pulses and their dynamics is followedâ€¦ (More)

- Torsten Meier, Christian Sieh, +7 authors Dietrich Wolf
- 2007

c Â© 2002 by John von Neumann Institute for Computing Permission to make digital or hard copies of portions of this work for personal or classroom use is granted provided that the copies are not madeâ€¦ (More)

- I. S. Kuznetsova, A. Thranhardt, +4 authors W. W. Chow
- EQEC '05. European Quantum Electronics Conferenceâ€¦
- 2005

This study investigates the linewidth enhancement factor in semiconductor quantum well In/sub 1-y/Ga/sub y/As and In/sub 1-y/Ga/sub y/As/sub 1-x/ N/sub x/. This work applies the theory based onâ€¦ (More)

- Claudia Lange, S. Chatterjee, +5 authors H. M. Gibbs
- 2007 Conference on Lasers and Electro-Opticsâ€¦
- 2007

Transient gain measurements are performed for (Galn)As quantum well structures. Gain up to 2000 cm-1 on a timescale of several hundred ps is observed. A microscopic model quantitatively providesâ€¦ (More)

- Torsten Meier, Christian Sieh, +5 authors Stephan W. Koch

c Â© 2002 by John von Neumann Institute for Computing Permission to make digital or hard copies of portions of this work for personal or classroom use is granted provided that the copies are not madeâ€¦ (More)