Microwave amplification to 2.5 GHz in a quantum state transfer device
- 1 December 1985
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 47 (11) , 1175-1177
- https://doi.org/10.1063/1.96317
Abstract
Reflection amplification has been demonstrated from 40 MHz to 2.5 GHz using a bilevel superlattice structure known as a quantum state transfer device. Measurements of the magnitude and phase of the voltage reflection coefficient were made at 300 K using a specialized microwave probe. The maximum normalized gain, at 40 MHz, approaches the gain expected from dc measurements of the negative differential resistance.Keywords
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