Title :
Direct modulation 565 Mbit/s optical PSK heterodyne system with solitary SL-QW-DFB lasers using novel suppression of phase transition periods in carrier recovery
Author :
Meissner, Eugen ; Noe, Reinhold ; Borchert, Bernd
Author_Institution :
Siemens Res. Labs., Munchen, Germany
Abstract :
The performance of a synchronous PSK heterodyne receiver is improved if the squared IF signal in the carrier recovery branch is switched off periodically by the recovered clock. A 61.4 dB power budget is obtained.
Keywords :
distributed feedback lasers; optical links; optical modulation; optical receivers; phase shift keying; semiconductor lasers; 565 Mbit/s; carrier recovery; direct modulation; phase transition periods; power budget; recovered clock; solitary SL-QW-DFB lasers; squared IF signal; synchronous PSK heterodyne receiver;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19921458
