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A Novel Scheme for Seamless Integration of ROF System with OFDM-CPM WDM Passive Optical Network
Networks Fiber optics communications
2011/5/26
A novel scheme to generate, transmit and receive an optical OFDM-CPM signal in the architecture for seamless integration of ROF system with 4 × 2.5Gb/s WDM-PON is proposed and experimentally validated...
Comparison of OFDMA and SC-FDMA Channel Access Techniques in a Passive Optical Network Environment
Comparison OFDMA SC-FDMA Channel Access Techniques Passive Optical Network Environment
2011/5/25
For the first time, OFDMA and SC-FDMA are compared experimentally as candidate uplink access techniques for next-generation PONs. Important issues like peak-to-average power ratio, optical beat interf...
Nine-Way Optical Wavelength Multicasting and Field Trail Transmission over Optical Network Test-bed (JGN2Plus)
Nine-Way Optical Wavelength Multicasting Field Trail Transmission Optical Network Test-bed (JGN2Plus)
2011/5/20
We experimentally demonstrate 1-to-9 optical wavelength multicasting, based on dual-pump four-wave mixing in highly-nonlinear fiber. A 100-km field trial experiment is also conducted to demonstrate th...
Experimental Evaluation of Centralized Failure Restoration in a Dynamic Impairment-Aware All-Optical Network
Centralized Failure Restoration Dynamic Impairment-Aware All-Optical Network
2011/5/20
A centralized impairment-aware lightpath restoration scheme is experimentally demonstrated. Through the implementation of the QoT estimator module on FPGA technology,restoration times of 1.36s are ach...
Digital Cinema over Optical Network-Status of Super HD Development
Super HD Digital Cinema Optical Network-Status
2011/5/18
Digital Cinema is a promising application that utilizes high-speed optical networks to transfer super high definition images. The networks are primary used for distributing packet data of digital cine...
Live In-Service Modification of Optical Network Elements Implemented with Xilinx FPGAs
Xilinx FPGA Optical Network Elements Service Modification
2011/5/18
This paper demonstrates that Xilinx FPGA partial reconfiguration technology can yield resource and power savings in optical network elements through selective hardware modification during live operati...
Demonstration of QoS-Aware Video Streaming over a Metro-Scale Optical Network Using a Cross-Layer Architectural Design
Optical Network Metro-Scale Architectural Design Demonstration
2011/5/18
QoS-aware video streaming is demonstrated on an optical network using a service-oriented architecture and a NetFPGA-based optical control plane. Dynamic optical power fluctuations are either compensat...
Optical Network Design Algorithms that Consider Optical Path Add/Drop Ratio Restrictions for OXC Hardware Scale Reduction
Optical Network Design Algorithms Hardware Scale Add/Drop Ratio
2011/5/18
We develop network design algorithms that consider constraints on the number of added/dropped optical paths at nodes in terms of wavelength and of fiber. The strategy is demonstrated to significantly ...
Optimized Multi-Layer Optical Network using In-Service ODU / Wavelength Path Re-grooming
Multi-Layer Optical In-Service ODU Wavelength Path
2011/5/18
We propose a multi-layer network with in-service traffic re-grooming. The combination of colorless multi-degree ROADM and ODU cross-connect with ODU reallocation functionality can offer significant co...
Comparison of Two CS-SSB Modulators Used in Bidirectional Carrier Distributed Long-Reach Passive Optical Network
Two CS-SSB Modulators Carrier Distributed Reach Passive Optical Network
2011/5/18
Two different CS-SSB modulators based on Mach-Zehnder structure used in carrier-distributed long-reach passive optical networks are investigated and compared. The Rayleigh-backscattering beat noise to...
OTM- and OTDR-based cost-efficient Fiber Fault Identification and Localization in Passive Optical Network
OTM Passive Optical Network OTDR-based cost-efficient Fiber Fault
2011/5/18
PON monitoring based on combined Optical Time Domain Reflectometry (OTDR) and Optical Transceiver Monitoring (OTM) is presented. The results on a 25-km 1:32 PON prove the concept and show ~0.02 dB acc...
A Novel Monitor Placement Algorithm for Accurate Performance Monitoring in Optical Network
Optical Network Accurate Performance Monitoring Placement Algorithm
2011/5/15
We propose a novel monitor placement algorithm that reduces significantly the number of monitors required to accurately assess the QoT of all lightpaths established in an optical network, compared to ...
WSON introducing restoration resource sharing for DWDM imposes new challenge to the network design. This paper illustrates resource and circuit planning algorithms used to accomplish an optimal WSON n...
Techno-economic Analysis of a Dynamic Impairment-Aware Optical Network
Dynamic Impairment-Aware Optical Network Techno-economic Analysis
2011/5/15
We quantify the performance of impairment-aware networking in terms of capital and operational expenditures and compare it to an impairment-unaware solution in the presence of nodes that bear differen...
All-Optical Carrier Recovery with Periodic Optical Filtering for Wavelength Reuse in RSOA-based Colorless Optical Network Units in Full-Duplex 10Gbps WDM-PONs
Fiber optics communications Modulation All-optical devices
2010/6/10
Optically assisted downstream cancellation for wavelength reuse in WDM-PONs is demonstrated, allowing downstream extinction ratios up to 9dB for symmetrical full-duplex data transmission at 10Gbps wit...