Title :
Polar coordinate transformation based dual binary-drive QPSK modulation
Author :
Yoshida, Tsuyoshi ; Sugihara, Takashi ; Sawada, Kazushige ; Shimizu, Katsuhiro ; Mizuochi, Takashi
Author_Institution :
Inf. Technol. R&D Center, Mitsubishi Electr. Corp., Kamakura, Japan
Abstract :
QPSK signal generation by a dual binary-drive Mach-Zehnder modulator employing polar coordinate transformation was experimentally demonstrated for cost-effective digital coherent transceivers. Tolerance to a bias and driving voltage error is discussed for practical implementation.
Keywords :
modulators; quadrature phase shift keying; QPSK signal generation; digital coherent transceivers; dual binary-drive Mach-Zehnder modulator; polar coordinate transformation; voltage error; Chirp; Circuits; Filtering; High speed optical techniques; Optical filters; Optical modulation; Optical signal processing; Quadrature phase shift keying; Signal generators; Voltage;
Conference_Titel :
Optical Fiber Communication (OFC), collocated National Fiber Optic Engineers Conference, 2010 Conference on (OFC/NFOEC)
Conference_Location :
San Diego, CA
Electronic_ISBN :
978-1-55752-884-1
