搜索结果: 1-15 共查到“光学工程 Capacity”相关记录31条 . 查询时间(0.1 秒)
High Capacity Field Trials of 40.5 Tb/s for LH Distance of 1,822 km and 54.2 Tb/s for Regional Distance of 634 km
High Capacity Field Trials 40.5 Tbs for LH Distance of 1,822 km 54.2 Tbs for Regional Distance 634 km
2014/11/6
40.5 Tb/s over 1,822km and 54.2 Tb/s over 634km field SSMF was realized using 41 Nyquist rate DP-8QAM and DP-16QAM superchannels. They are the highest field capacities for long-haul and regional dista...
First Demonstration of a Broadband 37-cell Hollow Core Photonic Bandgap Fiber and Its Application to High Capacity Mode Division Multiplexing
a Broadband 37-cell Hollow Core Photonic Bandgap Fiber Application to High Capacity Mode Division Multiplexing
2014/11/6
We report fabrication of the first low-loss, broadband 37-cell photonic bandgap fiber.Exploiting absence of surface modes and low cross-talk in the fiber we demonstrate mode division multiplexing over...
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...
MIMO System Capacity Improvements Using Radio-over- Fibre Distributed Antenna System Technology
Fiber optics communications Radio frequency photonics Fiber optics links subsystems
2015/5/25
The effect of antenna separation in a 3×3 MIMO system using RoF DAS technology is investigated. Larger antenna separation is found to improve the throughput due to reduced channel correlation and impr...
Impact of Fiber Parameters on Nonlinear Fiber Capacity
Impact Fiber Parameters Nonlinear Fiber Capacity
2015/5/25
We present the impact of varying the fiber loss and nonlinear coefficients and the chromatic dispersion on the nonlinear capacity limit estimates of fibers. The results suggest that a relative change ...
Monolithic 100 Gb/s Twin-IQ Mach-Zehnder Modulators for Advanced Hybrid High-Capacity Transmitter Boards
Monolithic 100 Gb/s Twin-IQ Mach-Zehnder Modulators Advanced Hybrid High-Capacity Transmitter Boards
2015/5/20
Development and characterization of monolithic, flip-chip compatible 2x50 Gb/s twin-IQ DQPSK MZ modulator chips - capable for hybrid assembly onto planar optical boards of advanced Tbit-capacity trans...
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...
Power Consumption and Scalability of Optically Switched Interconnects for High-Capacity Network Elements
Power Consumption Scalability Optically High-Capacity Network Element
2015/5/18
Three realizations of optically switched interconnects were analyzed regarding power consumption and scalability and compared with electronic backplane and optical point-to-point options. The results ...
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...
High Capacity 1 Tbps (20 Gbps/ch x 24 ch x 2 layers) Multilayer Optical Printed Circuit Board with High Optical Coupling Efficiency and Low-power Transmitter Module
Printed Circuit Board oupling Efficiency Low-power Transmitter Module
2015/5/15
We developed a high-speed (20 Gbps/channel) and large-capacity (1 Tbps/board) optical printed circuit board with a proposed two-lens optical coupling structure and a low-power (7.1 mW/Gbps) optical mo...
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...
Impacts of Waveband Capacity and Waveband Add/Drop Ratio on the Performance of ROADM-Ring Connecting Hierarchical Optical Path Cross-Connects
Networks assignment routing algorithms Networks ring
2015/6/5
We analyze the performance of a multiple-ROADM-ring connected network that utilizes Hierarchical Optical Cross-Connects (HOXC). We clarify the impacts of the waveband capacity and waveband add/drop ra...
Low-cost and High-capacity Short-range Optical Interconnects using Graded-Index Plastic Optical Fiber
Fiber optics communications Polymers
2015/6/4
We demonstrate a transmission rate of 51.8 Gb/s over 100-meters of perfluorinated multimode graded-index plastic optical fiber using discrete multitone modulation. The results prove suitability of pla...