Title :
Compact-spectrum RZ signal generated by single-stage push-pull type Mach-Zehnder modulator for DWDM transmission
Author :
Kisaka, Y. ; Tomizawa, M. ; Hirano, A. ; Kuwahara, S. ; Miyamoto, Y.
Author_Institution :
NTT Network Innovation Labs., NTT Corp., Kanagawa, Japan
fDate :
2/6/2003 12:00:00 AM
Abstract :
A novel compact-spectrum RZ signal is proposed; its bandwidth is approximately twice the bit rate. It is generated by a single-stage Mach-Zehnder modulator with 2:1 multiplexing function. 50 GHz-spaced 8×20 Gbit/s DWDM transmission is realised.
Keywords :
Mach-Zehnder interferometers; digital communication; digital signals; error statistics; optical modulation; wavelength division multiplexing; 20 Gbit/s; 87 km; BER characteristics; DWDM transmission; bit error rate characteristics; compact-spectrum RZ signal; dense WDM; modulation bandwidth; multiplexing function; push-pull type modulator; return-to-zero type formats; single-polarisation configuration; single-stage Mach-Zehnder modulator; unrepeated transmission;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20030214
