Millimeter wave oscillator based on a quasiplanar superlattice electronic device
- 21 July 1997
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 71 (3) , 401-403
- https://doi.org/10.1063/1.119550
Abstract
We report on a millimeter wave oscillator based on a quasiplanar superlattice electronic device (SLED). The SLED, a lateral structured GaAs/AlAs superlattice, showing, at room temperature, a negative differential conductance, was provided with two terminals lying in one plane and mounted in a waveguide structure. The oscillator delivered radiation, in a relative bandwidth of 10−5, that was tunable by about 10% around 70 GHz and had a power of 100 μW; depending on the voltage across the superlattice, additional oscillation lines (up to 180 GHz) appeared. We associate the generation of radiation with a current oscillation caused by traveling dipole domains in the superlattice.Keywords
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