Title :
16 Quadrature amplitude modulation using polarization-multiplexing QPSK modulator
Author :
Morohashi, Isao ; Sudo, Masaaki ; Sakamoto, Takahide ; Kanno, Atsushi ; Chiba, Akito ; Ichikawa, Junichiro ; Kawanishi, Tetsuya ; Hosako, Iwao
Author_Institution :
Nat. Inst. of Inf. & Commun. Technol., Tokyo, Japan
Abstract :
We demonstrated 16 QAM using a quad-parallel Mach-Zehnder modulator with polarization-multiplexing. This modulator generates two QPSK signals with orthogonal polarization. 16 QAM is synthesized from the QPSK signals by using a polarizer.
Keywords :
optical modulation; quadrature amplitude modulation; quadrature phase shift keying; wavelength division multiplexing; 16 QAM; polarization-multiplexing QPSK modulator; quad-parallel Mach-Zehnder modulator; quadrature amplitude modulation; quadrature phase shift keying; wavelength division multiplexing; Couplers; Multiplexing; Optical attenuators; Optical transmitters; Phase shift keying; Quadrature amplitude modulation;
Conference_Titel :
OptoElectronics and Communications Conference (OECC), 2010 15th
Conference_Location :
Sapporo
Print_ISBN :
978-1-4244-6785-3