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Phase and gain control of a GaAs MMIC transmit-receive module by optical means
Conference proceeding

Phase and gain control of a GaAs MMIC transmit-receive module by optical means

P.R Herczfeld, A Paolella, A Daryoush, W Jemison and A Rosen
MILCOM 88, 21st Century Military Communications - What's Possible?'. Conference record. Military Communications Conference, pp 35-38
1988

Abstract

Gain control Gallium arsenide Integrated optics Microwave antennas MMICs Optical amplifiers Power amplifiers Semiconductor optical amplifiers Stimulated emission Transmitting antennas
The authors report on the optical phase and gain control of GaAs microwave monolithic integrated-circuit (MMIC) transmit-receive modules with applications for active phased-array antennas. Phase shifts of 45 degrees were obtained with 50 mu W of optical power, and amplifier gain was controlled 15 dB with 250 mu W of light intensity. It is concluded that this approach can be extended to the millimeter wave range, is compatible with GaAs MMICs, has potential for fast response, is cost effective, and is compatible with parallel optical processing.< >

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