Title :
A Fabry-Perot scanning receiver for microwave signal processing
Author :
Winnall, S.T. ; Lindsay, A.C.
Author_Institution :
Electron. & Surveillance Res. Lab., Defence Sci. & Technol. Organ., Salisbury, SA, Australia
fDate :
7/1/1999 12:00:00 AM
Abstract :
A scanning receiver with a bandwidth of 40 GHz has been demonstrated. The system uses temporal scanning of a fiber Fabry-Perot etalon to analyze the microwave sidebands on an optical carrier. A proof-of-concept system has been measured, and a conversion efficiency of 280 mV/mW has been obtained at 10 GHz, giving an unamplified RF sensitivity of -2 dBm. The RF resolution is 90 MHz within the 40-GHz scan range. A theoretical analysis of the system is presented and improvements and limitations are discussed. While the performance of the initial all-optical system is not comparable to high-performance microwave receivers, it is believed that the potential for system improvements exists
Keywords :
Fabry-Perot interferometers; electronic warfare; microwave photonics; microwave receivers; 10 GHz; 40 GHz; Fabry-Perot scanning receiver; conversion efficiency; fiber Fabry-Perot etalon; microwave sidebands; microwave signal processing; optical carrier; temporal scanning; unamplified RF sensitivity; Fabry-Perot; Optical filters; Optical interferometry; Optical modulation; Optical receivers; Optical refraction; Optical sensors; Optical signal processing; Optical variables control; Signal processing;
Journal_Title :
Microwave Theory and Techniques, IEEE Transactions on
