搜索结果: 121-135 共查到“知识库 辐射度学和色度学”相关记录219条 . 查询时间(2.576 秒)
Stimulated Brillouin Scattering based In-Band OSNR Monitoring for 40G and 100G Deployment in Optical Networks with 100 GHz and 50 GHz Channel Spacing
Fiber optics communications Fiber optics links subsystems
2010/6/10
We present an improved approach for SBS based in-band OSNR monitoring with a drastic enhancement of the dynamic monitoring range for 44.6 Gbps DPSK and 112 Gbps DP-QPSK signals by intentionally adding...
甲基丁烯醇的光电离实验与理论研究
甲基丁烯醇 光电离和光解离 同步辐射 G3B3计算
2010/6/10
利用同步辐射光电离质谱的方法研究了甲基丁烯醇(C5H10O)在9.0~15.5eV的真空紫外光电离和光解离过程.通过测量光电离效率曲线,得到了C5H10O的电离能和主要碎片离子的出现势.通过对实验和计算结果的比较,分析了母体离子可能的光电离解离机理.母体离子的解离通道可以分为2类:由C5H10O+直接发生键断裂的解离和经由过渡态的解离.确定了C4H+5 和C3H+5离子的过渡态和中间体,其反应势垒...
Dual- versus single-carrier configuration for 40 Gb/s coherent BPSK-based solutions over low dispersion fibers
coherent communication optical communication
2010/6/9
We experimentally compare the performance of BPSK-based dual- and single-carrier coherent solutions at 40 Gb/s over low-dispersion fiber. We show that the single-carrier solution is more tolerant to c...
Long-haul coherent QPSK transmission of 40G channels with 120% spectral efficiency using increased linearity dispersion map with 100km spans and EDFAs
fiber optics communications Coherent communications
2010/6/9
We study transmission of 40 Gb/s signals using coherent RZ-QPSK with and without polarization multiplexing using 100km large effective area fiber-spans and dual-stage EDFAs with mid-stage dispersion c...
Demonstration of 10Gbps, 4-user, OCDMA Transmission over 59km Single Mode Fiber without Inline Dispersion Compensation
Fiber optics communication Multiplexing
2010/6/9
Multi-user, 10Gbps, optical code division multiple access (OCDMA) transmission over 59 km of standard single mode fiber without inline dispersion compensation is experimentally demonstrated for the fi...
Generation and Detection of 2.56 Tbit/s OTDM Data using DPSK and Polarisation Multiplexing
Nonlinear optics fibers Fiber optics communications
2010/6/9
Error free and low penalty generation and detection of 2.56 Tbit/s serial data is demonstrated. 1.28 Tbaud pulses are modulated with DPSK and polarisation multiplexed to achieve 2.56 Tbit/s with recor...
1.8-ps RZ-Pulse 43-Gbps Transmissions over 126-km DSF with Parametric Tunable Dispersion Compensation
Fiber optics communications Nonlinear optics fibers
2010/6/8
We demonstrate 1.8-ps pulse 43 Gbps RZ-OOK transmissions over 126-km zero-DSF using a parametric tunable dispersion compensator with slope compensation. The penalty dependence on the converted wavelen...
All-Order Polarization Mode Dispersion (PMD) Compensation in 10Gbit/s×4 OTDM System via Hyperfine Resolution Optical Pulse Shaper
Fiber Optics Communications Polarization Fiber optics components Fiber optics sensors
2010/6/8
We experimentally demonstrate optical compensation of all-order polarization mode dispersion with >50ps mean differential group delay in a 10Gbit/s×4 OTDM system using an optical pulse shaper with 1.6...
We demonstrate fast endless optical polarization control for instrumentation,polarization demultiplexing and PMD compensation. Mean/max polarization error is 0.077/0.197 rad during 30 minutes at up to...
Electro-Optical Synchronization System with Femtosecond Precision
Dispersion compensation devices Femtosecond phenomena
2010/6/8
A novel system for the RF synchronization is presented. It makes use of standard, commercially-available telecommunication optical components. The added timing jitter of 5 fs RMS has been measured on ...
50-Wavelength Channel-by-Channel Tunable Optical Dispersion Compensator Using Combination of Arrayed-Waveguide and Bulk Gratings
Dispersion compensation devices Waveguides planar Gratings Spatial light modulators
2010/6/8
We propose a novel optical configuration for a channelized tunable optical dispersion compensator (TODC) with channel-by-channel operation across entire the L-band. The TODC consists of a cyclic frequ...
Photonic Spectral Processor Employing Two-Dimensional WDM Channel Separation and a Phase LCoS Modulator
fiber optics communications dispersion compensation devices wavelength filtering devices
2010/6/5
We propose and demonstrate a spectral phase and amplitude modulator spanning full 2D-space by crossing a 100GHz WGR and a 1200gr/mm bulk grating. We address individual WDM channels with high resolutio...
Deployment analysis of TDM/WDM Single Fiber PON with Colourless ONU Operating at 2.5 Gbps Subcarrier Multiplexed Downstream and 1.25 Gbps Upstream
Optical communications Optical networks
2010/6/5
A single-fiber full-duplex hybrid TDM/WDM-PON is demonstrated to operate at 2.5/1.25 Gbps rates, with RSOA ONU. It achieves high power budget (GPON compliant) at a distances higher than 20km, and serv...
Cost Efficient Directly Modulated DPSK Downstream Transmitter and Colourless Upstream Remodulation for Full-duplex WDM-PONs
Optical communications Phase modulation
2010/6/4
We implement a cost efficient 10.7Gb/s directly modulated DPSK transmitter in a bidirectional WDM-PON, which also remodulates the downstream phase encoded signal for 2.5Gb/s OOK upstream transmission.
Inter-Wavelength Transfer of Digital Lightpath Labels Induced by Stimulated Raman Scattering
Fiber optics links and subsystems All-optical networks Fiber optics communications Nonlinear optics fibers
2010/6/4
WDM systems using digital lightpath labels can experience modulation transfer among wavelengths due to stimulated Raman scattering (SRS), creating label replicas. We present pump-probe measurements of...