High-Speed Modulation of a Terahertz Quantum Cascade Laser Using Coherent Acoustic Phonon Pulses
- Dunn, A
- Poyser, C
- Dean, P
- Demic, A
- Valavanis, A
- Indjin, D
- Salih, M
- Kundu, I
- Li, L
- Akimov, A
- Davies, G
- Linfield, E
- Cunningham, J
- Kent, A
Publication date
October 2019
DOI Publisher
Institute of Electrical and Electronics Engineers (IEEE)Abstract
We demonstrate a new method for high-speed modulation of terahertz emission and electronic transport of a Ga(Al)As quantum cascade laser using coherent acoustic phonon pulses. The modulation, which is on the order of 6%, can be partially explained by a perturbation-theory analysis. The 100 GHz are possible
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