Title :
Planar lightwave circuit dispersion equaliser with a wide operational frequency range
Author :
Takiguchi, K. ; Okamoto, K.
Author_Institution :
NTT Opto-Electron. Labs., Ibaraki
fDate :
8/18/1994 12:00:00 AM
Abstract :
The authors report an integrated-optic dispersion equaliser with an amplitude flattening circuit on a planar lightwave circuit. The equaliser consists of six asymmetrical Mach-Zehnder interferometers cascaded in series. The operational frequency range of the equaliser is successfully extended from 12.6 to 21.2 GHz by amplitude flattening without deteriorating the delay characteristics
Keywords :
equalisers; integrated optics; light interferometers; optical communication equipment; optical dispersion; amplitude flattening circuit; asymmetrical Mach-Zehnder interferometers; delay characteristics; integrated-optic dispersion equaliser; operational frequency range; planar lightwave circuit; series cascade;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19940941