Integrated optical architectures for tapped delay lines

Author

Anemogiannis, Emmanuel ; Kenan, Richard P.

Author_Institution

Sch. of Electr. Eng., Georgia Inst. of Technol., Atlanta, GA, USA

Volume

8

Issue

8

fYear

1990

fDate

8/1/1990 12:00:00 AM

Firstpage

1167

Lastpage

1176

Abstract

An integrated optics (IO) device that is an implementation of an IO tapped delay line is discussed. It is capable of performing discrete convolution of an optical pulse sequence with a preset digital function. Several architectures for the device are presented. A systematic realization of the preset function samples that permits efficient utilization of all the input light power and maximization of the output signal-to-noise ratio (SNR) for the device is discussed. A detailed analysis of what determines the number of preset samples that can be realized and how to realize them on a LiNbO₃ crystal is given. Two digital filter design examples are presented, and the quantization error effects on their performance are examined. The same architectures are shown to implement digital-to-analog (D/A) conversion and systolic multiplication of a Toeplitz matrix with a vector having the form of optical pulses

Keywords

delay lines; integrated optics; lithium compounds; optical communication equipment; LiNbO₃ crystal; Toeplitz matrix; digital filter design; digital to analogue conversion; discrete convolution; input light power; integrated optical architectures; integrated optics; optical pulse sequence; optical pulse vector; output signal-to-noise ratio; preset digital function; quantization error; systolic multiplication; tapped delay lines; Computer architecture; Delay lines; Electrooptical waveguides; Finite impulse response filter; Gratings; High speed optical techniques; Integrated optics; Optical filters; Optical pulses; Optical signal processing;

fLanguage

English

Journal_Title

Lightwave Technology, Journal of

Publisher

ieee

ISSN

0733-8724

Type

jour

DOI

10.1109/50.57837

Filename

57837