Title :
Precisely spaced multiwavelength light source using pulsed serrodyne modulation in amplified circulating loop
Author :
Sanjoh, H. ; Tomita, I. ; Yoshikuni, Y.
Author_Institution :
NTT Photonics Labs., Kanagawa, Japan
fDate :
2/20/2003 12:00:00 AM
Abstract :
A pulsed serrodyne modulation achieves a large frequency shift of 60 GHz. The successive frequency shifts by this modulation in an optical ring circuit having the loop gain of unity generates more than 100 carriers with precise 12.5 GHz spacing.
Keywords :
optical modulation; optical transmitters; phase modulation; wavelength division multiplexing; DWDM systems; amplified circulating loop; carrier frequency; frequency shift; loop gain; multiwavelength light source; optical ring circuit; pulsed serrodyne modulation;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20030275
