Measurement and modelling of radiative coupling in oscillator arrays

Arrays of coupled oscillators can be used for power-combining at microwave and millimeter-wave frequencies, and have been successfully demonstrated with a variety of devices. Such arrays have also recently been mode-locked for pulse generation, and can be configured for phase-shifterless beam scanni...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 1993-03, Vol.41 (3), p.438-444
Main Authors: York, R.A., Compton, R.C.
Format: Article
Language:English
Subjects:
Applied sciences
Circuit properties
Coupling circuits
Electric, optical and optoelectronic circuits
Electromagnetic coupling
Electronics
Exact sciences and technology
Frequency
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Microwave oscillators
Millimeter wave measurements
Millimeter wave technology
Mutual coupling
Nonlinear dynamical systems
Phased arrays
Power system modeling
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Summary:Arrays of coupled oscillators can be used for power-combining at microwave and millimeter-wave frequencies, and have been successfully demonstrated with a variety of devices. Such arrays have also recently been mode-locked for pulse generation, and can be configured for phase-shifterless beam scanning. The nonlinear theory of coupled oscillator phase dynamics depends crucially on the parameters describing the coupled between oscillators. Methods for experimental characterization of these parameters are described here, and simple models which reproduce the measurements quite well are developed. The models apply to radiative coupling and the effects of external reflectors which are sometimes used for stabilization. The theory is verified with a two-oscillator system.< >
ISSN:0018-9480
1557-9670
DOI:10.1109/22.223742