We present an experimental and theoretical study of the radiation power in the terahertz frequency range emitted by a GaAs/AlAs superlattice at 4-300 K. The non-biased superlattice was driven by an electric field with a frequency of 20 GHz. We measured the power spectrum of output signal and found that a decrease in the physical temperature leads to a significant increase in harmonic content.
Temperature dependence of the radiation power emitted by a superlattice subject to a high-frequency electric field
2004-01-01
151551 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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