Title :
80 Gb/s DQPSK modulator
Author :
Kawanishi, Tetsuya ; Sakamoto, Takahide ; Miyazaki, Tetsuya ; Izutsu, Masayuki ; Higuma, Kaoru ; Ichikawa, Junichiro
Author_Institution :
Nat. Inst. of Inf. & Commun. Technol., Koganei
Abstract :
We present high-speed differential quadrature-shift-keying modulators based on LiNbO3 waveguide device technologies, which can be applicable for over 80 Gb/s transmission systems. Bias condition monitor technique is also investigated for automatic bias stabilization scheme.
Keywords :
differential phase shift keying; lithium compounds; optical fibre communication; quadrature phase shift keying; DQPSK modulator; LiNbO3; LiNbO3 - System; automatic bias stabilization scheme; bias condition monitor technique; bit rate 80 Gbit/s; high-speed differential quadrature-shift-keying modulator; transmission system; waveguide device technology; Amplitude modulation; Condition monitoring; Electrodes; High speed optical techniques; Optical devices; Optical modulation; Optical waveguides; Phase modulation; Quadrature amplitude modulation; Quadrature phase shift keying;
Conference_Titel :
Optical Fiber Communication and the National Fiber Optic Engineers Conference, 2007. OFC/NFOEC 2007. Conference on
Conference_Location :
Anaheim, CA
Print_ISBN :
1-55752-831-4
DOI :
10.1109/OFC.2007.4348878
