Title :
Stable lightwave frequency synthesizer using discrete-time negative frequency feedback with polarisation diversity technique
Author :
Takesue, H. ; Yamamoto, F. ; Shimizu, K. ; Horiguchi, T.
Author_Institution :
NTT Access Network Syst. Labs., Ibaraki, Japan
fDate :
4/1/1999 12:00:00 AM
Abstract :
A stable lightwave frequency synthesizer has been realised by combining discrete-time negative frequency feedback with a polarisation diversity technique. It is confirmed that this synthesizer operated stably for 24 h by using an optical frequency counter with 100 MHz accuracy
Keywords :
frequency synthesizers; optical feedback; optical fibre networks; optical fibre polarisation; wavelength division multiplexing; 24 h; DWDM; discrete-time negative frequency feedback; lightwave frequency synthesizer; optical frequency counter; polarisation diversity technique;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19990370
