Title :
A new automatic frequency-control method for fast frequency switching of a coherent optical receiver
Author :
Baba, Shinichi ; Ohshima, Shigeru
Author_Institution :
Commun. & Inf. Syst. Res. Labs., Toshiba Corp., Kawasaki, Japan
Abstract :
The authors propose a new automatic optical frequency-control method for fast frequency switching. Simulation and experimental results for the new method are presented. In the experiment, the frequency of an optical coherent receiver was changed freely and accurately and was not affected by the thermal effect of the laser diode. By this method, switching time was reduced to less than one tenth that of an uncontrolled laser diode.
Keywords :
automatic frequency control; laser feedback; light coherence; optical receivers; optical switches; semiconductor lasers; DBR laser diode; FDM; automatic frequency-control method; coherent optical receiver; fast frequency switching; frequency division multiplexing; laser diode; optical coherent receiver frequency; optical fibre networks; simulation; switching time; thermal effect; uncontrolled laser diode; Automatic frequency control; Diode lasers; Distributed Bragg reflectors; Frequency division multiplexing; Frequency shift keying; Optical feedback; Optical filters; Optical interferometry; Optical receivers; Optical transmitters;
Journal_Title :
Photonics Technology Letters, IEEE
