Title :
Repeated wavelength conversion of 10 Gb/s signals and converted signal gating using wavelength-tunable semiconductor lasers
Author :
Yasaka, Hiroshi ; Sanjoh, Hiroaki ; Ishii, Hiroyuki ; Yoshikuni, Yuzo ; Oe, Kunishige
Author_Institution :
NTT Opto-Electron. Labs., Kanagawa, Japan
fDate :
6/1/1996 12:00:00 AM
Abstract :
Repeated wavelength conversion of 10 Gb/s pseudorandom nonreturn-to-zero signals is demonstrated using semiconductor lasers that can be tuned wavelength over a broad range. Error-free tunable wavelength conversion with a very low power penalty can be achieved in both first and second wavelength conversion over a broad wavelength range from 1.486-1.573 μm. The converted signal can be switched rapidly within this wavelength region. High-speed converted signal gating controlled by adjusting the bias current to the device active region is also demonstrated
Keywords :
distributed Bragg reflector lasers; laser tuning; optical communication equipment; optical frequency conversion; semiconductor lasers; wavelength division multiplexing; 1.486 to 1.573 mum; 10 Gbit/s; Gb/s pseudorandom nonreturn-to-zero signals; Gb/s signals; WDM; bias current; broad wavelength range; converted signal gating; converted signal switching; device active region; error-free tunable wavelength conversion; repeated wavelength conversion; semiconductor laser wavelength tuning; very low power penalty; wavelength-tunable semiconductor lasers; Distributed Bragg reflectors; Distributed feedback devices; Laser feedback; Laser tuning; Optical control; Optical filters; Optical wavelength conversion; Semiconductor lasers; Tunable circuits and devices; Wavelength conversion;
Journal_Title :
Lightwave Technology, Journal of