Title :
Measurement of zero-dispersion wavelength in optical fibers using cross-phase modulation
Author :
Chan, K.T. ; Li, Shenping ; Cao, Wen-hua
Author_Institution :
Dept. of Electron. Eng., Chinese Univ. of Hong Kong, Shatin, Hong Kong
Abstract :
A simple method for determining the zero-dispersion wavelength in optical fibers is proposed. The method is based on cross-phase modulation between a tunable continuous-wave (CW) signal and co-propagating intense pump pulses in an optical fiber. By positioning the pump wavelength in the normal group-velocity dispersion (GVD) regime, the generated pulses at the signal wavelength change from dark to bright when the signal wavelength is tuned through the zero-dispersion point from the normal GVD side. The method was experimentally demonstrated using a /spl sim/1 km dispersion-shifted fiber. Simulation results also show good agreement with experimental ones.
Keywords :
optical fibre communication; optical fibre dispersion; optical fibre testing; optical modulation; optical pulse generation; optical tuning; phase modulation; 1 km; CW signal; bright pulses; co-propagating intense pump pulses; cross-phase modulation; dark pulses; dispersion-shifted fiber; experimental results; generated pulses; normal group-velocity dispersion regime; optical fiber; optical fibers; pump wavelength; signal wavelength; simulation results; tunable continuous-wave signal; zero-dispersion point; zero-dispersion wavelength; Frequency; Optical fiber dispersion; Optical fiber polarization; Optical fibers; Optical pulse generation; Optical pulses; Phase measurement; Pulse measurements; Pulse modulation; Wavelength measurement;
Conference_Titel :
Communications, 1999. APCC/OECC '99. Fifth Asia-Pacific Conference on ... and Fourth Optoelectronics and Communications Conference
Conference_Location :
Beijing, China
Print_ISBN :
7-5635-0402-8
DOI :
10.1109/APCC.1999.820601
