Title :
A photonic integrated-optic RF phase shifter for phased array antenna beam-forming applications
Author :
Chang, Pyung Hun
fDate :
12/1/1993 12:00:00 AM
Abstract :
A photonic in-phase/quadrature (I-Q) RF phase shifter utilizing two integrated optic Mach-Zehnder modulators has been tested. This phase shifter demonstrates the capability of 360° phase control, <1° RF errors at constant amplitude, and <1° errors over a 30-dB RF amplitude taper
Keywords :
antenna phased arrays; antenna radiation patterns; integrated optics; optical communication equipment; optical modulation; phase shifters; Mach-Zehnder modulators; RF amplitude taper; RF errors; constant amplitude; integrated-optic RF phase shifter; phase control; phased array antenna beamforming; photonic in-phase/quadrature phase shifter; Antenna arrays; Costs; Delay effects; Integrated optics; Optical sensors; Phase control; Phase shifters; Phased arrays; Radio frequency; Voltage;
Journal_Title :
Lightwave Technology, Journal of