搜索结果: 1-15 共查到“光通信器件与系统技术 WDM”相关记录63条 . 查询时间(0.093 秒)
基于交叉复用技术的OFDM-WDM光传输系统的性能分析
OFDM 交叉复用 宰阅酝 光传输系统
2016/8/5
基于正交频分复用(OFDM)与波分复用(WDM)的基本原理,构建了一套基于OFDM技术的WDM传输系统的系统模型,并对其相关系统性能进行了理论分析。基于维纳相位噪声模型,文章对OFDM系统中相位噪声引起的公共相位误差和子载波间干扰进行了分析,在此基础上深入分析了基于交叉复用OFDM技术的OFDM子载波间干扰的消除方法,降低相位噪声对系统性能的影响。最后结合理论分析结果对系统模型的相关性能进行模拟计...
基于相干光正交频分复用的WDM传输系统及其性能分析
光通信 相干光正交频分复用 波分复用 长距离传输
2013/10/15
相干光正交频分复用由于其良好的传输性能成为近年来光传输领域的研究热点，波分复用技术可以在光纤中通过增加并行波长的数量来提高系统的容量，将CO-OFDM和WDM技术结合，可以构造出高速率、大容量、低成本的光传输网络。文章首先对基于CO-OFDM的WDM传输系统的理论模型和基本原理进行了研究，然后对基于CO-OFDM的100Gb/s×32-信道WDM传输系统进行了仿真分析。并研究了该系统的传输性能。结...
Demonstration of Converged Bidirectional OFDM-m-QAM RoF and WDM-OFDM-PON Access Networks
Networks Optical communications
2015/5/26
We demonstrate a novel lightwave centralized hybrid bidirectional WDM-OFDM-PON and OFDM-m-QAM RoF network. The 11.29-Gb/s OFDM-16QAM wired DL, 5.65-Gb/s OFDM-QPSK wired UL and WiMAX downstream/upstrea...
Survivable Transparent Flexible Optical WDM (FWDM) Networks
Networks network optimization Networks network survivability
2015/5/25
We propose an efficient survivable FWDM network design algorithm for the first time.Survivable FWDM networks are efficient in terms of spectral utilization, power consumption, and cost compared to the...
Simple and Scalable WDM/TDMA-PON using Spectral Slicing and Forward Error Correction
Fiber optics communications Networks combinatorial network design
2015/5/22
We describe a simple and scalable WDM/TDMA PON system that uses spectral slicing and FEC in burst-mode upstream transmissions. The sensitivity was improved to -31.5 dB at a sliced bandwidth of 400 GHz...
Bidirectional 10 Gbit/s long-reach WDM-PON using digital coherent receivers
Optical Communications Coherent Communications
2015/5/22
Bidirectional transmission at 10 Gbit/s using 3.125 GBaud PDM-QPSK over 100 km of SMF is investigated. We observe no penalty for transmission of 10 GHz spaced channels. Preamplification improves the r...
A 10 Gb/s Passive-Components-based WDM-TDM Reconfigurable Optical Access Network Architecture
Optical communications Networks
2015/5/22
We propose a cost-effective, reconfigurable optical access network by employing passive components in the remote node and dual conventional optical transceivers in ONUs. The architecture is demonstrat...
10-Gbps Upstream Transmission for WDM-PON Using RSOA and Delay Interferometer
10-Gbps Upstream Transmissio WDM-PON RSOA Delay Interferometer
2015/5/20
We demonstrate the transmission of 10-Gbps NRZ signals over 20-km standard single-mode fiber using an RSOA in a loopback configured WDM-PON system. Significant performance improvement is achieved usin...
Line Coding for Downlink DML Modulation in λ λ-Shared, RSOA-based Asymmetric Bidirectional WDM PONs
Line Coding Downlink DML Modulation λ λ-Shared RSOA-based Asymmetric Bidirectional WDM PONs
2015/5/20
We experimentally investigate the use of various DC-balanced line codes for downlink modulation in single-fiber, wavelength-shared WDM-PON systems which employ 10-Gbps directly modulated lasers and 2....
Self-seeding of R-SOAs is a polarization dependent process resulting in unstable operations. We experimentally demonstrate a passive stabilization technique enabling class carrier availability in 1.25...
Reduction of Back-Reflection induced Power Penalty by means of Coherent Seeding Source with Optical Feedback in a Loop-Back WDM-PON
Networks Optical communication
2015/5/20
We proposed a novel method to implement the coherent seeding source using optical feedback and experimentally demonstrated the feasibility of our seed light under various back reflection levels in a l...
Demonstration of 25.78-Gb/s, 20-km Reach WDM PON Using Directly-Modulated Bandwidth-Limited RSOA
Fiber optics links subsystems Semiconductor optical amplifiers
2015/5/20
We demonstrate the 25.78-Gb/s operation of directly-modulated RSOA. The results show that it is possible to transmit the 25.78-Gb/s signal over 20 km in the wavelength range of ~20 nm with the dispers...
Maximum Reach of Long-Reach RSOA-Based WDM PON Employing Remote EDFA
)Fiber optics links subsystems Semiconductor optical amplifiers
2015/5/20
We investigate the effects of the gain and position of the remote EDFA in a long-reach RSOA-based WDM PON. Using this result, we also estimate the maximum transmission reach limited by Rayleigh backsc...
Future bandwidth demand favors TDM PON, not WDM PON
Future bandwidth demand favors TDM PON WDM PON
2015/5/18
Claims to the contrary notwithstanding, quantitative trends indicate that TDM PON bandwidth supply is growing faster than subscriber bandwidth demand, and TDM PON will deliver future ultra-high speed ...
High Speed 4×12.5Gbps WDM Optical Wireless Communication Systems for Indoor Applications
WDM Optical Wireless Communication Systems Indoor Applications
2015/5/18
A novel high-speed optical wireless communication system incorporating WDM technology for indoor personal area networking applications is proposed and demonstrated. A 4×12.5Gbps mobile communication l...