Title :
NOLM-based RZ-DPSK signal regeneration
Author :
A.G. Striegler;M. Meissner;K. Cvecek;K. Sponsel;G. Leuchs;B. Schmauss
Author_Institution :
Inst. for Microwave Technol., Univ. of Erlangen-Nuremberg, Erlangen, Germany
Abstract :
We present a nonlinear optical loop mirror (NOLM)-based 2R-regenerator setup, which is capable of regenerating signals modulated in phase-sensitive modulation formats. In a conventional NOLM, fluctuations of the signal amplitude are converted into phase fluctuations. Therefore, it is not suitable for regeneration of signals, modulated in formats such as differential phase-shift keying (DPSK) or duobinary. In this letter, we present a modified NOLM setup for 2R-regeneration taking return-to-zero DPSK as an example.
Keywords :
"Repeaters","Optical attenuators","Differential quadrature phase shift keying","Nonlinear optics","Fiber nonlinear optics","Optical mixing","Phase modulation","Optical fiber polarization","Optical modulation","Mirrors"
Journal_Title :
IEEE Photonics Technology Letters
DOI :
10.1109/LPT.2004.842320
