Title :
4 Gbit/s, 233-km optical fibre transmission experiment using newly proposed direct-modulation PSK
Author :
Naito, Tomoyuki ; Chikama, T. ; Ishikawa, G. ; Kuwahara, Hideo
Author_Institution :
Fujitsu Labs. Ltd., Kawasaki, Japan
Abstract :
An optical PSK modulation scheme (DM-PSK) in which current is directly injected into a laser diode having a wide and flat FM response is proposed. The results of a 4 Gbit/s optical DM-PSK transmission experiment through 233 km of conventional 1.3 mu m zero-dispersion fibre at 1.55 mu m show a receiver sensitivity of -42.3 dBm (BER of 10-9) and a tolerable chromatic dispersion twice that of CP-FSK under similar conditions.
Keywords :
optical communication; optical dispersion; optical fibres; optical modulation; phase shift keying; 1.55 micron; 233 km; 4 Gbit/s; BER; DM-PSK; FM response; direct-modulation PSK; laser diode; optical PSK modulation; optical fibre transmission experiment; tolerable chromatic dispersion; zero-dispersion fibre;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19901107
