Title :
Optical FSK heterodyne detection using image rejection mixer
Author_Institution :
NTT Labs., Kanagawa, Japan
Abstract :
A new optical FSK heterodyne detection scheme is proposed and demonstrated. This scheme uses an optical image rejection mixer. The intermediate frequency bandwidth is the same as ASK heterodyne detection while equalling dual filter FSK detection receiver sensitivity.
Keywords :
frequency shift keying; optical communication; optical modulation; detection receiver sensitivity; image rejection mixer; intermediate frequency bandwidth; optical FSK heterodyne detection;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19890178
