Terahertz quantum cascade laser waveguides were characterized using the vector finite element method. Waveguides based on GaSb/AlGaSb multiple quantum well structures were simulated, for which detailed mode profiles, power confinement and loss factors are shown.
© 2009 OSA
(140.0140) Lasers and laser optics : Lasers and laser optics
(230.0230) Optical devices : Optical devices
(230.7370) Optical devices : Waveguides
(140.5965) Lasers and laser optics : Semiconductor lasers, quantum cascade
B. M. A. Rahman, H. Tanvir, N. Kejalakshmy, A. Agrawal, C. Themistos, and K. T. V. Grattan, "Characterisation of Terahertz Wave Confinement in Quantum Cascade Lasers," in Advances in Optical Sciences Congress, OSA Technical Digest (CD) (Optical Society of America, 2009), paper IMG2.
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