Optically controlled generation and true-time-delay phase-shifts of broad-band 60-GHz signals

A new technique of generating true-time-delay phase shifts of broadband microwave and millimeter-wave signals through optical control has been demonstrated. Continuous and precise phase shift with a range of 360 degrees has been achieved without millimeter-wave signal loss. The microwave/millimeter-...

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Bibliographic Details
Published in:IEEE microwave and guided wave letters 1993-02, Vol.3 (2), p.42-44
Main Authors: Huang, S.-L.L., Lee, C.H., Hung, H.-L.A.
Format: Article
Language:English
Subjects:
Microwave generation
Microwave theory and techniques
Millimeter wave circuits
Millimeter wave communication
Millimeter wave integrated circuits
Millimeter wave radar
Millimeter wave technology
Optical control
Optical losses
Signal generators
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Summary:A new technique of generating true-time-delay phase shifts of broadband microwave and millimeter-wave signals through optical control has been demonstrated. Continuous and precise phase shift with a range of 360 degrees has been achieved without millimeter-wave signal loss. The microwave/millimeter-wave circuit and the optic-electronic intermixing structure can be monolithically integrated. Optical fiber distribution of the picosecond triggering pulses could be applied. The potential applications of this optical control technique are in phased-array radar and satellite-borne communication systems.< >
ISSN:1051-8207
1558-2329
DOI:10.1109/75.196036