Title :
160-Gb/s NRZ-DQPSK signal generation using a thin-LiNbO3-substrate modulator with a ridge-type optical waveguide structure
Author :
Kanno, Atsushi ; Sakamoto, Takahide ; Chiba, Akito ; Kawanishi, Tetsuyas ; Higuma, Kaoru ; Sudo, Masaaki ; Ichikawa, Junichiro
Author_Institution :
Nat. Inst. of Inf. & Commun. Technol., Tokyo, Japan
Abstract :
160-Gb/s NRZ-DQPSK modulation is demonstrated with a thin-LiNbO3-substrate modulator. Using this substrate with a ridge-type waveguide structure can help realize an extension of a bandwidth and a decrease of a half-wave voltage of the modulator.
Keywords :
lithium compounds; optical communication equipment; optical modulation; quadrature phase shift keying; signal generators; LiNbO3; NRZ-DQPSK signal generation; bit rate 160 Gbit/s; half wave voltage; ridge-type optical waveguide structure; substrate modulator; Bandwidth; Electrodes; Frequency; High speed optical techniques; Optical device fabrication; Optical interferometry; Optical modulation; Optical waveguides; Phase modulation; Signal generators;
Conference_Titel :
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-890-2
Electronic_ISBN :
978-1-55752-890-2