Electron intersubband absorption in quantum post nanostructures is observed at THz frequencies. Absorption is strongly tunable via the Stark effect. Polarization and absorption measurements confirm coupling to transition predicted by theory.
© 2008 Optical Society of America
C. M. Morris, D. Stehr, D. G. Allen, H. J. Krenner, J. He, C. Pryor, P. M. Petroff, and M. S. Sherwin, "InGaAs Quantum Posts: Tunable Terahertz Nanostructures," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper CPDA6.
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