Authors:
Colombelli, R
Capasso, F
Gmachl, C
Hutchinson, AL
Sivco, DL
Tredicucci, A
Wanke, MC
Sergent, AM
Cho, AY
Citation: R. Colombelli et al., Far-infrared surface-plasmon quantum-cascade lasers at 21.5 mu m and 24 mum wavelengths, APPL PHYS L, 78(18), 2001, pp. 2620-2622
Authors:
Winnerl, S
Schomburg, E
Brandl, S
Kus, O
Renk, KF
Wanke, MC
Allen, SJ
Ignatov, AA
Ustinov, V
Zhukov, A
Kop'ev, PS
Citation: S. Winnerl et al., Frequency doubling and tripling of terahertz radiation in a GaAs/AlAs superlattice due to frequency modulation of Bloch oscillations, APPL PHYS L, 77(9), 2000, pp. 1259-1261