DPSK multicast using multiple-pump FWM in Bismuths highly nonlinear fiber with high multicast efficiency.
In this paper, we discuss the multicast efficiency issue in the optical layer multicast. A 1-to-8 phase-preserved different phase-shifted keying (DPSK) wavelength multicast is experimentally demonstrated using four-wave mixing (FWM) in a piece of Bismuth highly nonlinear fiber (Bi- HNLF). DPSK signal is successfully delivered from one wavelength to up to eight different wavelengths using only three pumps. Compared with the existing schemes, the multicast efficiency is greatly improved by delivering the phase information to more destination wavelengths.
Lu
Guo-Wei
GW
National Institute of Information and Communications Technology, 4-1-1, Nukui-Kitamachi, Koganei, Tokyo 184-8795, Japan. gwlu@nict.go.jp
Abedin
Kazi Sarwar
KS
Miyazaki
Tetsuya
T