Selective Mode-Control with Optically Induced Plasma on Coupled Microstrip Lines with a Tuning Slot

Yasushi HORII  Tsutomu NAKAMURA  Takeshi NAKAGAWA  Sadao KURAZONO  

IEICE TRANSACTIONS on Electronics   Vol.E76-C    No.2    pp.207-213
Publication Date: 1993/02/25
Online ISSN: 
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Optical/Microwave Interaction Devices, Circuits and Systems)
Category: Optical/Microwave Devices
selective mode-control,  semiconductor plasma,  coupled microstrip lines,  change-over switch,  

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For a method to control the microwave coupled lines with optically induced plasma effectively, we propose the selective mode-control method, which restricts controlled modes to a selected one. We analyzed the basic characteristics of coupled microstrip lines theoretically by using the spectral domain technique and indicated the effectiveness of this method with the aid of numerical results. Further, we designed an optically controlled change-over switch as an application of this method.