Title :
320 Gbit/s DQPSK All-Optical Wavelength Conversion using Periodically Poled LiNbO3
Author :
Huettl, B. ; Coca, A. Gual i ; Suche, H. ; Ludwig, R. ; Schmidt-Langhorst, C. ; Weber, H.G. ; Sohler, W. ; Schubert, C.
Author_Institution :
Fraunhofer Inst. for Telecommun., Berlin
Abstract :
We demonstrate wavelength conversion of 160 Gbit/s DPSK and 320 Gbit/s DQPSK data signals by cascaded second-harmonic and difference frequency generation in a periodically poled LiNbO3 waveguide. Error free operation with negligible penalty is obtained.
Keywords :
differential phase shift keying; lithium compounds; niobium compounds; optical harmonic generation; optical waveguides; optical wavelength conversion; quadrature phase shift keying; DPSK data signals; DQPSK all-optical wavelength conversion; DQPSK data signals; LiNbO3; bit rate 160 Gbit/s; bit rate 320 Gbit/s; cascaded second-harmonic generation; difference frequency generation; differential quaternary phase shift keying; error free operation; periodically poled waveguide; Bit error rate; Differential quadrature phase shift keying; Nonlinear optics; Optical receivers; Optical transmitters; Optical waveguides; Optical wavelength conversion; Phase modulation; Signal generators; Wavelength measurement;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4452729
