Title :
Novel temperature characteristics of gain behaviors in quantum-dot lasers
Author :
Ho, Yi ; Wei-Chieh, Tzeng ; Lin, Ching-Fuh
Author_Institution :
Graduate Inst. of Electro-Opt. Eng., Nat. Taiwan Univ., Taipei, Taiwan
Abstract :
In quantum dots, the increment of temperature results in red shift of gain spectrum. Thermal state-filling and electron-phonon scattering lead to extremely large and even negative T0. Theoretical prediction is confirmed experimentally.
Keywords :
electron-phonon interactions; laser beams; quantum dot lasers; spectral line shift; thermo-optical effects; electron-phonon scattering; gain spectrum; laser gain behaviors; laser temperature characteristics; quantum dots; quantum-dot lasers; red shift; temperature increment; thermal state-filling; Charge carrier density; Electrons; Energy states; Particle scattering; Phonons; Photonic band gap; Quantum dot lasers; Temperature dependence; Temperature distribution; Thermal expansion;
Conference_Titel :
Numerical Simulation of Optoelectronic Devices, 2005. NUSOD '05. Proceedings of the 5th International Conference on
Print_ISBN :
0-7803-9149-7
DOI :
10.1109/NUSOD.2005.1518151
