Title :
All-Optical RZ-to-NRZ and NRZ-to-PRZ Format Conversions Based on Delay-Asymmetric Nonlinear Loop Mirror
Author :
Wang, Liang ; Dai, Yongheng ; Lei, Gordon K P ; Du, Jiangbing ; Shu, Chester
Author_Institution :
Dept. of Electron. Eng., Chinese Univ. of Hong Kong, Shatin, China
fDate :
3/15/2011 12:00:00 AM
Abstract :
We perform all-optical return-to-zero (RZ) to nonreturn-to-zero (NRZ) and NRZ to pseudoreturn-to-zero (PRZ) format conversions at tunable bit rates, both by using the same delay-asymmetric nonlinear loop mirror. The temporal and spectral characteristics of the input and output signals are analyzed. Bit-error-rate measurements of RZ-to-NRZ conversion at 10 and 12.5 Gb/s show error-free performance with power penalties less than 3 dB with reference to the input RZ signals.
Keywords :
error statistics; multiwave mixing; optical communication; time division multiplexing; all-optical nonreturn-to-zero format conversion; all-optical pseudoreturn-to-zero format conversion; all-optical return-to-zero format conversion; bit-error-rate measurement; delay-asymmetric nonlinear loop mirror; tunable bit rate; Four-wave mixing (FWM); nonlinear optical loop mirror; pulse format conversion;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2011.2106205
