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Optical instruments are addressing an ever-increasing number of industrial and research applications: imaging and vision, defense, space, telecommunications, transportation, industrial process control...
2017SPIE新型光学系统设计与优化专题会议(Novel Optical Systems Design and Optimization XX)
2017 SPIE新型光学系统设计与优化 专题会议
2017/4/24
2017SPIE新型光学系统设计与优化专题会议(Novel Optical Systems Design and Optimization XX)。
FPGA Verification of a Single QC-LDPC Code for 100 Gb/s Optical Systems without Error Floor down to BER of 10 -15
Fiber optics communications Optical communications
2011/5/25
We present FPGA-based emulation results of a single QC-LDPC code with 20% redundancy designed for applications in 100 Gb/s optical transmission systems. Error floor-free transmission can be achieved a...
A Digital Subcarrier Multiplexing Technique for Increased Spectral Efficiency in Optical Systems Using Direct Detection
Fiber optics optical communications Modulation Multiplexing
2010/6/8
We propose a novel technique that allows direct detection of multicarrier signals without using DSP at the receiver. Performance at 55.5 Gb/s, back-to-back and after 1040 km of dispersion uncompensate...
Pseudo-Newton based Equalization Algorithms for QAM Coherent Optical Systems
Coherent communications Optical communications
2010/6/8
In 112Gbit/s optical coherent transmission context, we propose decision-directed and blind adaptive equalizers using variable step size suitable for 16-QAM. The considered algorithms offer better stea...
PMD Monitoring in Traffic-carrying Optical Systems
PMD Monitoring Traffic-carrying Optical Systems
2008/8/3
DGD was monitored in in-service terrestrial optical fiber systems for the first time without the requirement of looping-back. The relationship between the measured DGD and the actual fiber PMD paramet...