Influence of crosstalk in switchable optical time-delay networks for microwave array antennas

Author

Schäffer, Christian

Author_Institution

Fachhochschule Lubeck, Germany

Volume

45

Issue

8

fYear

1997

fDate

8/1/1997 12:00:00 AM

Firstpage

1519

Lastpage

1521

Abstract

Switchable optical time-delay (TD) networks are used for the phase control of array antennas and for microwave signal processing because of their wide instantaneous bandwidth. In each optical switch, crosstalk signals are generated and its influence on the microwave phase accuracy is investigated. Due to the crosstalk of the switches, each stage forms an interferometer which converts the phase noise of the optical source into amplitude noise whose influence on the microwave phase is analyzed

Keywords

array signal processing; integrated optics; microwave antenna arrays; optical crosstalk; optical delay lines; optical information processing; optical switches; phase control; phase noise; amplitude noise; crosstalk signals; interferometer; microwave array antennas; microwave phase accuracy; microwave signal processing; optical switch; phase control; phase error; phase noise; switchable optical time-delay networks; Microwave antenna arrays; Optical arrays; Optical crosstalk; Optical fiber networks; Optical interferometry; Optical signal processing; Optical switches; Optical variables control; Phase noise; Phased arrays;

fLanguage

English

Journal_Title

Microwave Theory and Techniques, IEEE Transactions on

Publisher

ieee

ISSN

0018-9480

Type

jour

DOI

10.1109/22.618467

Filename

618467