Enhanced terahertz emission by Landau quantization in semiconductor superlattices

• Published in: Superlattices and microstructures Vol. 87; pp. 97 - 102
• Main Authors: Cárdenas, J.R., Ferreira, R., Bastard, G.
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.11.2015
• Subjects: Bloch oscillations; Landau quantization; Semiconductor superlattices; Terahertz emission; Wannier–Stark states; Landau quantization; Bloch oscillations; Terahertz emission; Semiconductor superlattices; Wannier–Stark states

•We find expressions for the THz emission in biased semiconductor superlattices.•We study the THz emission with and without magnetic field.•THz emission in superlattices is the addition of Bloch and excitonic components.•The magnetic field enhances the intensity and coherence of the THz light emitte...