Title :
OSNR Monitoring Technique for DPSK/DQPSK Signals Based on Self-Heterodyne Detection
Author :
Choi, Hyun Young ; Takushima, Yuichi ; Chung, Yun C.
Author_Institution :
Dept. of Electr. Eng., Korea Adv. Inst. of Sci. & Technol., Daejeon, South Korea
Abstract :
We report a new OSNR monitoring method of DPSK/DQPSK signals, which analyzes the RF spectrum obtained by the self-heterodyne detection. The performance of this technique is not affected by the polarization scrambling or fiber dispersion (both CD and PMD).
Keywords :
differential phase shift keying; heterodyne detection; optical fibre networks; optical modulation; optical signal detection; optical testing; quadrature phase shift keying; DPSK; DQPSK; OSNR monitoring technique; RF spectrum; fiber dispersion; high-speed optical network; polarization scrambling; self-heterodyne detection; Differential quadrature phase shift keying; High speed optical techniques; Monitoring; Optical attenuators; Optical mixing; Optical noise; Optical polarization; RF signals; Radio frequency; Signal to noise ratio;
Conference_Titel :
Optical Fiber communication/National Fiber Optic Engineers Conference, 2008. OFC/NFOEC 2008. Conference on
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-55752-856-8
DOI :
10.1109/OFC.2008.4528558
