Abstract
We present three types of quasiclassical oscillators that are able to generate microwave radiation of high frequency: Gunn oscillator (used as source of radiation up to ∼ 200 GHz); superlattice oscillator (in development, up to 200 GHz); and resonant-tunneling diode oscillator (demonstrated up to 700 GHz). These oscillators are solid state oscillators, driven by active can be media. An active medium of a solid state oscillator makes use of the nonlinear transport in a semiconductor (Gunn oscillator) or in a semiconductor heterostructure (superlattice oscillator and resonant-tunneling diode oscillator). The nonlinear transport is due to a negative mobility of conduction electrons. The origin of a negative differential mobility is of quantum mechanical nature. However, the transport can be described classically.
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© 2012 Springer-Verlag Berlin Heidelberg
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Renk, K.F. (2012). A Comparison of Laser Oscillators and Quasiclassical Solid State Oscillators. In: Basics of Laser Physics. Graduate Texts in Physics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-23565-8_31
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DOI: https://doi.org/10.1007/978-3-642-23565-8_31
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Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-23564-1
Online ISBN: 978-3-642-23565-8
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