A Quasioptical Resonant-Tunneling-Diode Oscillator Operating Above 200 GHz

Document Type

Article

Publication Date

4-1-1993

Identifier/URL

43037190 (Pure)

Abstract

A quasioptical resonant-tunneling-diode oscillator is demonstrated at frequencies above 200 GHz. The oscillator is stabilized by a semiconfocal open cavity. The maximum output power and the linewidth are approximately 50 μW and 20 kHz, respectively, at a fundamental frequency of 210 GHz. By varying the cavity length, the oscillator frequency can be adjusted over a 0.4 GHz range in a repetitive manner. This behavior is explained by analogy with laser oscillators. The quasioptical RTD oscillator is well suited as a local oscillator for low-power radiometric mixers.

DOI

10.1109/22.231671

Link to Full Text

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