DocumentCode
970709
Title
Low drive voltage and extremely low chirp integrated electroabsorption modulator/DFB laser for 2.5 Gbit/s 200 km normal fibre transmission
Author
Aoki, M. ; Kikuchi, N. ; Sekine, K. ; Sasaki, S. ; Suzuki, M. ; Taniwatari, T. ; Okuno, Y. ; Takai, A. ; Kawano, T.
Author_Institution
Central Res. Labs., Hitachi Ltd., Tokyo, Japan
Volume
29
Issue
22
fYear
1993
Firstpage
1983
Lastpage
1984
Abstract
A highly efficient (2 V peak to peak for 22 dB extinction ratio) and extremely low-chirp (<64 pm) integrated electroabsorption modulator/DFB laser is demonstrated by reducing both electrical and optical crosstalk between the modulator and the laser. The device allowed 2.5 Gbit/s penalty-free transmission over repeaterless 200 km-long 1.3 mu m-optimised singlemode fibre.
Keywords
crosstalk; distributed feedback lasers; electro-optical devices; electroabsorption; feedback; integrated optoelectronics; optical communication equipment; optical modulation; reflectivity; semiconductor lasers; 1.3 mum; 2.5 Gbit/s; 200 km; DFB laser; electrical crosstalk; extinction ratio; extremely low chirp; integrated electroabsorption modulator; low drive voltage; normal fibre transmission; optical crosstalk; penalty-free transmission; repeaterless optimised singlemode fibre;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19931320
Filename
244625
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