Chin. Phys. Lett.  2005, Vol. 22 Issue (12): 3163-3165    DOI:
Original Articles |
Simulation of Confined and Interface Phonons Scattering in Terahertz Quantum Cascade Laser
HE Xiao-Yong;CAO Jun-Cheng;L{U} Jing-Tao;FENG Song-Lin
State Key Laboratory of Functional Materials for Informatics,Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050
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HE Xiao-Yong, CAO Jun-Cheng, L{U} Jing-Tao et al  2005 Chin. Phys. Lett. 22 3163-3165
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Abstract We have performed the calculation of resonant-phonon transition in a terahertz quantum cascade laser. The electron wavefunctions and energy levels are obtained by solving the Schrödinger and Poisson equations self-consistently. The scattering rates of the confined, interface, and bulk phonons are calculated by using the Fermi golden rule. It has been shown that the confined phonon scattering is comparable to the interface phonon scattering and should be taken into consideration in the calculation.
Keywords: 73.61.Ey      42.55.Rz      85.30.De      63.20.Kr     
Published: 01 December 2005
PACS:  73.61.Ey (III-V semiconductors)  
  42.55.Rz (Doped-insulator lasers and other solid state lasers)  
  85.30.De (Semiconductor-device characterization, design, and modeling)  
  63.20.Kr  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2005/V22/I12/03163
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HE Xiao-Yong
CAO Jun-Cheng
L{U} Jing-Tao
FENG Song-Lin
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