Title :
Tandem of modulators for high on/off pulse generation (-55 dB)
Author :
Devaux, F. ; Jahan, D. ; Alexandre, F. ; Ougazzaden, A. ; Vergnol, E. ; Carré, M.
Author_Institution :
CNET/PAB, France Telecom, Bagneux, France
fDate :
8/14/1997 12:00:00 AM
Abstract :
A tandem of electroabsorption modulators was fabricated with an integrated separation waveguide. Owing to double modulation, optical pulses were generated with a -55 dB extinction ratio. Compatibility with 4×20 Gbit/s is demonstrated by interference noise measurements
Keywords :
electro-optical modulation; electroabsorption; optical fibre communication; optical noise; optical receivers; 20 Gbit/s; double modulation; electroabsorption modulators; extinction ratio; integrated separation waveguide; interference noise measurements; on/off pulse generation; optical fibre delays; optical receivers;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19970972
