搜索结果: 1-11 共查到“光信息技术 Capacity”相关记录11条 . 查询时间(0.116 秒)
In this paper, we present a reliable architecture for high-capacity fiber-radio system and demonstrate its feasibility. The main trunk of the proposed architecture is a star network with branches comp...
A New Class of Optical Fiber to Support Large Capacity Transmission
Fiber design fabrication Fiber optics communications
2015/5/25
Linearity-enhanced pure-silica-core fiber with low attenuation (0.16dB/km) and large effective area (130m 2 ) improving OSNR is presented as new class of fiber to support large capacity transm...
High Capacity (64 x 43 Gb/s) Unrepeatered Transmission over 440 km
High Capacity Unrepeatered Transmission
2015/5/20
We describe a 64 x 43 Gb/s unrepeatered transmission experiment over 440 km of ultra-low loss fiber with third-order Raman pumping. We then compare coherent transmission at\ 40 Gb/s and 100 Gb/s in un...
Assessment of Capacity Upgrade Using 40Gbps DPSK Transmission in 10Gbps DWDM ROADM Networks
Assessment of Capacity Upgrade Using 40Gbps DPSK Transmission in 10Gbps DWDM ROADM Networks
2015/5/18
We present a detailed study for capacity upgrade using 40Gbps DPSK transmission in 10Gbps optimized 50GHz spaced DWDM ROADM systems. It was found that further optimizing the chromatic dispersion pre-c...
Impact of transparent network constraints on capacity gain of elastic channel spacing
network constraints channel spacing capacity gain
2015/5/15
We compare fixed-grid network architectures with variable-spacing OFDM based solutions. We show that capacity gains can reach up to 50% but are strongly affected by physical and topological constraint...
Advanced Coherent Modulation Formats and Algorithms: Higher-Order Multi-Level Coding for High-Capacity System Based on 100Gbps Channel
Coherent communications Fiber optics communications
2015/6/5
We review recent technology advances in high-capacity 100Gbps system using polarization-division-multiplexed (PDM) eight-level coding (8PSK and 8QAM) and DSP-based intradyne detection.Research activit...
A High Capacity and Long Reach DWDM-PON Using Triple-Contact F-P LDs
Optical communications Networks
2015/6/4
We propose a color-free DWDM-PON at 50 GHz channel spacing by using the triple contact F-P LD. The transmission length of 30 km and 90 km are demonstrated with and without FEC at 1.25 Gb/s-per-channel...
Digital Modulation Challenges for High-capacity Optical Transport Network with 100Gbps Channels and Beyond
Digital Modulation Challenges High-capacity Optical Transport Network Channels
2015/7/20
Digital signal processing technologies have great advantages for realizing the high-capacity Optical Transport Network based on over 100 Gbps channels. Novel no-guard-interval OFDM with frequency doma...
Demonstration of Novel Spectrum-Efficient Elastic Optical Path Network with Per-Channel Variable Capacity of 40 Gb/s to Over 400 Gb/s
Spectrum-Efficient Elastic Optical Path Network Per-Channel Variable Capacity
2015/8/6
We demonstrated, for the first time, a novel spectrum-efficient elastic optical path network for 100 Gb/s services and beyond, based on flexible rate transceivers and variable-bandwidth wavelength cro...
Capacity optimisation for optical links using DMT modulation, an application to POF
Capacity optimisation optical links DMT modulation POF
2015/8/3
The Levin-Campello algorithm optimises the capacity of communication links using DMT/OFDM modulation. We demonstrate its application to optical communications, transmitting 1Gbps through 50m 1mm step ...
Exploring capacity limits of fibre-optic communication systems
Exploring capacity limits fibre-optic communication systems
2015/7/30
The problem of evaluating the maximum rate of transmission of information, or capacity, of fibre-optic communication systems is discussed. We will describe a procedure we developed to derive a lower b...