학술논문

Wide dynamic range OSNR monitoring for RZ-DQPSK systems using delay-tap sampling technique
Document Type
Conference
Source
2010 Conference on Optical Fiber Communication (OFC/NFOEC), collocated National Fiber Optic Engineers Conference Optical Fiber Communication (OFC), collocated National Fiber Optic Engineers Conference, 2010 Conference on (OFC/NFOEC). :1-3 Mar, 2010
Subject
Communication, Networking and Broadcast Technologies
Computing and Processing
Photonics and Electrooptics
Dynamic range
Signal to noise ratio
Optical noise
Monitoring
Delay systems
Sampling methods
Calibration
High speed optical techniques
Stimulated emission
Photonics
Language
Abstract
We propose half-symbol delay-tap sampling for OSNR monitoring and extend the monitoring range to 5-45 dB. The proposed method also enables calibration-free monitoring with range of 16-43 dB at 40 Gbps data rate.