General demonstration of principal states of polarization and real-time monitoring of polarization mode dispersion in optical fibres
Dong Huia, Fu Song-Niana, Wu Chong-Qingb
a School of Electronics and Information Engineering, Beijing Jiaotong University, Beijing 100044, China; b School of Science, Beijing Jiaotong University, Beijing 100044, China
Abstract We investigated the general properties of polarization effects in optical fibres and demonstrated the existence of so-called principal states of polarization (PSP), which mean the fixed points in mathematics, in different polarization effects, such as birefringence and polarization mode dispersion, by using fixed point theory. Furthermore, a time evolution vector is defined to describe the time evolution of polarization state in optical fibres, which is used to investigate the time evolution of polarization mode dispersion vector (PDV), including differential group delay and PSP. The experimental results of real-time monitoring of PDV by using this method are reported. To our knowledge, this is the first report on monitoring PSP evolution in optical fibres.
Received: 28 October 2003
Revised: 12 April 2004
Published: 22 June 2005
(Optical communication systems, multiplexers, and demultiplexers?)
Fund: Project supported by the National Natural Science Foundation of China (Grant No 60272010) and by the High Technology Development Programme of China (Grant No 2003AA122510).
Cite this article:
Dong Hui, Wu Chong-Qing, Fu Song-Nian General demonstration of principal states of polarization and real-time monitoring of polarization mode dispersion in optical fibres 2004 Chin. Phys. 13 1291
