Chirping characteristic and frequency response of MQW optical intensity modulator

Author

Mitomi, Osamu ; Nojima, Shunji ; Kotaka, Isamu ; Wakita, Koichi ; Kawano, Kenji ; Naganuma, Mitsuru

Author_Institution

NTT Corp., Kanagawa, Japan

Volume

10

Issue

1

fYear

1992

fDate

1/1/1992 12:00:00 AM

Firstpage

71

Lastpage

77

Abstract

The spectral linewidth enhancement factor and frequency responses of electro-absorption-type optical-intensity modulators, especially InGaAs/InAlAs MQW modulators, are described. A method of exactly estimating the value of the α factor is presented under the nonlinearity of extinction-ratio characteristics. For measuring the frequency response of modulators, the sideband strength of the modulated output light with an optical spectrum analyzer, is analytically compared with the microwave power of photodiode direct detection with an electrical spectrum analyzer

Keywords

III-V semiconductors; aluminium compounds; electro-optical devices; electroabsorption; frequency response; gallium arsenide; indium compounds; optical communication equipment; optical modulation; spectral line breadth; α factor; InGaAs-InAlAs; MQW optical intensity modulator; electrical spectrum analyzer; electro-absorption-type; extinction-ratio characteristics; frequency response; microwave power; modulated output light; optical spectrum analyzer; photodiode direct detection; semiconductors; sideband strength; spectral analysis; spectral linewidth enhancement factor; Chirp modulation; Frequency measurement; Frequency response; Indium compounds; Indium gallium arsenide; Microwave measurements; Optical modulation; Power measurement; Quantum well devices; Spectral analysis;

fLanguage

English

Journal_Title

Lightwave Technology, Journal of

Publisher

ieee

ISSN

0733-8724

Type

jour

DOI

10.1109/50.108739

Filename

108739