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optical networks research papers recent

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A TransDort Network Laver Based on Optical Network Elements
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ABSTRACT This paper presents an approach to the realization of a future broad-band flexible transport network employing an optical network layer. The design methodology for a network demonstrator is presented and a description of the subsystem and component technology

Hybrid multiplexing of multiband optical access technologies towards an integrated DWDMnetwork
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ABSTRACT A hybrid multiplexing scheme with the capability to multiplex optical millimeter- wave, baseband, and intermediate frequency signals is proposed and demonstrated. The proposed scheme enables the convergence of last mile wireless and wireline

Shared protection routing algorithm for optical network
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ABSTRACT In a connection-oriented network such as an all-optical transport network, shared protection provides the same level of protection against single path failures as dedicated protection, with potentially higher network utilization. This paper lists the

Distance-adaptive super-wavelength routing in elastic optical path network (SLICE) withoptical OFDM
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Abstract We propose a spectrally-efficient super-wavelength-path routing in SLICE by selecting a set of subcarrier numbers and modulation levels according to path distances. We demonstrate 420 Gb/s path routing using short-reach 14-subcarrier 8-APSK and long-

Spectrally/bitrate flexible optical network planning
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Abstract We consider the Routing and Spectrum Allocation (RSA) problem in an OFDM- based optical network with elastic bandwidth allocation. We asses the spectrum utilization gains of this flexible architecture compared to a traditional fixed-grid rigid-bandwidth WDM

Optical network and fpga/dsp based control system for free electon laser
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Abstract. The work presents a structural and functional model of a distributed low level radio frequency (LLRF) control, diagnostic and telemetric system for a large industrial object. An example of system implementation is the European TESLA-XFEL accelerator. The free

Advance reservation of lightpaths in optical-network based grids
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ABSTRACT Advance reservation is an important part of grid computing. It guarantees that resources will be available at a pre-determined time to participate in the execution of a grid application. The advance reservation and scheduling of optical networks are key in

Transparent optical network design with sparse wavelength conversion
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Abstract We consider the design of transparent optical networks from a practical perspective. Network operators aim at satisfying the communication demands at minimum cost. Such an optimization involves three interdependent planning issues: the dimensioning of the

Development of optical connector to achieve large-scale optical network construction
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Abstract We developed a new optical connector for realizing connections in aerial networks. The connector is designed to shorten the lead time for releasing high-speed Internet services to the customer. When the connector is in an aerial network, it allows easy

Automatic Switched Optical Network (ASON) Architecture and Its Related Protocols
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1. Abstract This draft describes the main architectural principles of the automatic switched optical networks (ASON) work that has recently been approved by the ITU-T [2, 3]. ASON architecture defines a set of reference points (interfaces) that allows ASON clients to

A branch-and-cut algorithm for solving an intraring synchronous optical network design problem
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In this paper, we deal with a network design problem arising from the deployment of synchronous optical networks (SONET), a standard of transmission using optical fiber technology. The problem is to find an optimal clustering of traffic demands in the network

Reduction methods for adapting optical network on chip topologies to specific routing applications
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ABSTRACT 1Optical network on chip (ONoC) architectures are emerging as potential contenders to solve congestion and latency issues in future computing architectures. In this work, we examine how a scalable and fully connected ONoC topology can be reduced to

Generalized wavelength routed optical micronetwork in network-on-chip
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ABSTRACT The wavelength routed optical network (WRON)[1] is a promising optical interconnection architecture that can be integrated into a System-on-Chip (SoC) to replace traditional wire-connected on-chip micro-networks which pose severe bandwidth

From optical performance monitoring to optical network management: research progress and challenges
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ABSTRACT Optical performance monitoring (OPM) and optical network management (ONM) are essential in building a reliable, high-capacity, and service-differentiation enabled all- optical network. Early research efforts in OPM focused primarily on achieving the desired

The design of an all-optical packet switching network
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ABSTRACT Recent advances in the all-optical signal processing domain report high-speed and nontrivial functionality directly implemented in the optical layer. These developments mean that the alloptical processing of packet headers has a future. In this article we

Time transfer in optical network
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Abstract This paper describes experiments with two-way time transfer in an optical network. The method is based on newly developed adapters utilizing channels in a DWDM (Dense Wavelength-Division Multiplexing) network. We present results of several tests performed

Reconfigurable wavelength-routing all-optical network testbed
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ABSTRACT This paper presents the test results in the initial phase that we are constructing a self-healing all-optical network testbed. which is called SHAONET. The completed testbed will be used to demonstrate broadband applications based on wavelength routing+

Optical network technologies for datacenter networks
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A typical datacenter [1] contains tens of thousands of identical servers arranged into one or more clusters as shown in Fig. 1. A cluster consists of multiple racks, each with 20-40 servers connected to a rack switch. Clusters are further networked through layers of cluster aggregation

Network planning and economic analysis of an innovative new optical transport architecture: The digital optical network
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This paper describes the attributes and network implications of a new network architecture, termed the Digital Optical Network, based on the use of recently developed large-scale photonic integrated circuits to implement frequent, affordable OEO conversion within an

A new shared protection scheme in optical network
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In this paper, we have proposed a restricted shared protection (RSP) scheme that provides restriction on the sharing of some of the backup light paths to increase the reliability of the protection in optical network. From the reliability theory, we have proved that the reliability

2014-optical network research papers

An Optical Programmable Network Architecture Supporting Iterative Multicast for Data-intensive Applications
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ABSTRACT We present an optical programmable network architecture to enable agile and efficient iterative multicasting for cluster computing framework. Support for multiple multicast

A Survey of Free Space Optical Communication Network Channel over Optical Fiber Cable Communication.
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ABSTRACT In the recent past, free-space optical communication (FSO) proved to be an important replacement to radio frequency communication. In optical fiber cable communication, there is a disadvantage that optical fiber gets damaged in a long distance

Network Survivability Field Trial over Brazilian Legacy Optical Fiber Links through Advanced Transponder Reconfiguration
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Abstract We propose a method for optical link survivability preservation by acting on the transmitter launch power and bit rate, and on the receiver DSP for linear/nonlinear impairments compensation. We validated the method for a legacy high-loss Brazilian

'Demonstration of SDN based optical network virtualization and multidomain service orchestration
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ABSTRACT This paper describes a demonstration of SDN-based optical transport network virtualization and orchestration. Two scenarios are demonstrated: a dynamic setup of optical connectivity services inside a single domain as well as a multidomain service

Full width at half maximum (FWHM) analysis of solitonic pulse applicable in optical networkcommunication
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ABSTRACT In this paper, we propose a system of microring resonator (MRR). This system uses a laser diode input which can be incorporated with an optical add/drop filter system. When light from the laser diode feedbacks to the fiber ring resonator, the pulses in the form of

Simulation Analysis of Nonlinear Transmission Impairment in WDM Optical Network
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ABSTRACT Nonlinear effects are the major degrading sources that occur in nonlinear optical materials such as photonic switch, optical fiber cable. Such kind of interaction between waves causes interaction between channels. FWM (Fourwave Mixing) is one of the major

Experimental assessment of a high performance back-end PCE for flexgrid optical networkre-optimization
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ABSTRACT A specialized high performance Graphics Processing Unit (GPU)-based back-end Path Computation Element (PCE) to compute re-optimization in Flexgrid networks is presented. Experimental results show 6x speedups compared to single centralized PCE.

A SIP-based VoIP Application in enhanced ethernet passive optical network architecture
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ABSTRACT Since the inception of telephony, the public switch telephone network (PSTN) has had major impact in everyday life. The widespread adoption of VoIP has totally revolutionized the telephony industry. With many free services for the users, VoIP is

A COMPARATIVE ANALYSIS OF RELIABLE MULTICAST PROTOCOLS IN AN OPTICAL NETWORK
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ABSTRACT With the advancement in optical technology providing abundant bandwidth, multicast concept is extended to optical networks in order to gain enhanced performance. Recent advances in multicasting provide new opportunities for improving the

Experimental demonstration of dynamic flexible bandwidth optical data center network with all-to-all interconnectivity
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ABSTRACT For the first time, we experimentally demonstrate rapid and flexible bandwidth adjustment in an optically interconnected data center network with hot spots. Experiments show 1.77 x throughput increase for hotspot links and 23% improvement in energy

Experimental validation of active frontend Backend stateful PCE operations in flexgrid optical network re-optimization
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Abstract A PCE-based strategy for LSP re-optimization in flexgrid optical networks is experimentally validated. A front-and back-end stateful PCE architecture is deployed, wherein automatic and coordinated operations (eg, computation delegation, database

A Novel Multi-Service Passive Optical Network Based on the Wavelength-Division-Multiplexed Technology
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Multi-objective genetic algorithm for solving the multilayer survivable optical network design problem
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Multilayer Survivable Optical Network for the customers' Demands Problem called MSONDP. The network is modelled by two graphs: an undirected graph G1=(V1, E1) and a complete undirected and weighted graph G2=(V2, E2, c). The goal objective of this

Ethernet Passive Optical Network (EPON) Educational Module for Engineering Postgraduate Students
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ABSTRACT The most effective solution to cope with the ever increasing bandwidth demands is by using Ethernet Passive Optical Network (EPON). Thus, there are needs in introducing an EPON subject for Engineering Postgraduate students. However, since networking is a

Optical Network Energy Algorithm Based on the Genetic Algorithm
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Research of Adaptive Control Bi-OADM in Passive Optical Network
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RAICON: ROUTING ARBITRATION FOR INTER/INTRA CHIP OPTICAL NETWORK
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Abstract The modern computing system has become more complexity due to its large number of its integrated components. The performance of a chip is decided based on its inter and intra chip communication efficiency rather than its individual components

Collision Resolution Schemes at Ingress Edge Node in OTDM-WDM Based Slotted OpticalPacket Switching Network
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Abstract Optical Packet Switching (OPS) has been considered as one of the solutions for the future optical network to employ the high network capacity. The collision in an OPS network, however, is the major problem to be considered. This paper introduces the collision

Monitoring system for optical fiber network security
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Abstract Norscan Instruments Ltd. has developed a novel way to detect disturbances in fiber optic cables which could indicate malicious tampering and has implemented a monitoring system to detect such tampering. This report describes the design and implementation of

Signal shaping to achieve OOK and PSK co-existence for improved optical access networkperformance
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ABSTRACT This paper proposes a novel symbol mapping that uses signal shaping to alleviate the BER problem in constellation sharing with the use of phase information. This mapping solves one of the most critical problems; the small Euclid distance of the PSK symbols in

Optical Physical-Layer Network Coding“another dimension to increase network capacity
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ABSTRACT Network coding is a revolutionary technique that can enhance network throughput and protection. This presentation introduces optical physical-layer network coding (OPNC), focusing on common-channel OPNC that can fully utilize network resources. OCIS codes

National Optical Fibre Network of India
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Acknowledgements: The paper is based on a research work funded by the Ford Foundation. For correspondence: vignes@iitd.ac.in; evignesh@gmail.com 1. Telecommunications, Electronic

SDN and Optical Flow Steering for Network Function Virtualization
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Middlebox traffic steering, the capability of routing traffic through different sequences of middleboxes, has been a popular application in software-define networks (SDN)[5]. In this work, we focus on network function virtualization (NFV)[2][3], especially on core virtualized

Transport and optical properties of c-axis oriented wedge shaped GaN nanowall networkgrown by molecular beam epitaxy
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Abstract. The transport and optical properties of wedge-shaped nanowall network of GaN grown spontaneously on cplane sapphire substrate by Plasma-Assisted Molecular Beam Epitaxy (PAMBE) show interesting behavior. The electron mobility at room temperature in

A Novel QKD Network Routing Algorithm Based on Optical-Path-Switching
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Abstract. The hybrid model of QKD (Quantum Key Distribution) network is a reasonable approach to build a quantum cryptographic network in the current phase which combines the optical switcher and the trusted repeater to attain the security and the scope of the

TP) Linear Protection to Match the Operational Expectations of Synchronous Digital Hierarchy, Optical Transport Network, and Ethernet Transport Network
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Abstract This document describes alternate mechanisms to perform some of the functions of MPLS Transport Profile (MPLS-TP) linear protection defined in RFC 6378, and also defines additional mechanisms. The purpose of these alternate and additional mechanisms is to

IP routing by phase induced intensity noise suppression in Optical CDMA network
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ABSTRACT In this paper, we explore avenues to efficiently use spectral amplitude coding optical code-division multiple-access (SAC-OCDMA) technique as a solution to the Internet protocol (IP) routing bottleneck in the global internet access. This work reveals for the first
In any networking environment, network and resource information has to be maintained periodically for re-routing the traffic. Especially in fault tolerant optical networks, after the faults are detected and recovered, the network topology changes have to be constantly

Long Term Evolution Backhaul over Ethernet Passive Optical Network: An Analysis Study
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ABSTRACT LTE (Long Term Evolution) represents an emerging technology that will change how service providers backhaul user traffic to their infrastructure over IP networks. To support growing mobile bandwidth demand, an EPON backhaul infrastructure will make

Large Core Diameter POF/PCF Optical Switch Using Shape Memory Alloy (SMA) Coil Actuator for Local Area Network (LAN) System
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ABSTRACT The polymer optical fiber (POF) is mostly suitable for house held optical switches because of its large core diameter. A high performance optical switch building process is described. In order to achieve high performance switching and low data loss, we examine

Feasibility Study of High Data Rate Underwater Optical Wireless Network
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ABSTRACT The present technology of acoustic underwater communication is a legacy of technology that provides low data rate transmission for medium range communication. In addition the speed of acoustic waves in the ocean is approximately 1500 m/sec so that

A Novel Optical Interconnection Network in High Performance Computers
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Abstract Optical networks are a promising alternative to electrical networks, alleviating complexity problems of electrical implementation and providing better performance in high performance computers (HPCs). It is crucial crucial to introduce and study new topologies

Neural Network Based Indoor Positioning Technique in Optical Camera Communication System
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ABSTRACT Indoor positioning technique is one of the key research issues due to highly demandable market value to provide Location Based Services (LBS) using smart phone. In optical camera communication (OCC) case one of the main advantages in indoor

Applications of Optical Fiber Access Network
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This article introduces the basic concepts of optical access network, technical characteristics, the next type of optical access network applications, business support capabilities, configuration, structure, selection of future development trends of the optical

Mobile Application with Optical Character Recognition Using Neural Network
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ABSTRACT The Optical character Recognition is a mobile application. The OCR takes image as the input and get text from that image. The character recognition method is presented by using OCR technology and higher quality camera of android phone. OCR technology is
We show how to improve the energy consumption in an all optical ring network based on reconfigurable optical add and drop multiplexers (ROADM in the following). The analysis is based on numerical analysis of discrete time Markov chains and some heuristics to design

Optical dissection of amygdalar network dynamics related to stress, anxiety, and pharmacological treatment
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Abstract The limbic system comprises brain structures that are involved in the processing of information related to fear and anxiety. This system contains the hippocampus, the medial prefrontal cortex and the amygdala. Downstream of this information processing, limbic

PERFORMANCE IMPROVEMENT OF OPTICAL NETWORK USING DYNAMIC BANDWIDTH ALLOCATION
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ABSTRACT Optical transport is evolving from traditional opaque networks that use all- electronic switching techniques toward alloptical transparent net-works. But there is a maximum transparent reach limit for signals in all-optical transparent networks that

A Fully Optical Ring Network-on-Chip with Static and Dynamic Wavelength Allocation
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Abstract As the number of IPs (processor, memory) integration on a chip increases, chip multicore processors (CMPs), and system-on-chips (SoCs) will require high performance and low power consumption interconnection infrastructure. Traditional electronic network-

OBGP Based QoS Analysis for Optical Virtual Private Network Connection Setup
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We have also discussed an OVPN model and introduced some comparisons for finding the optimal path between nodes in an optical network. 1.3 Organisation of the Thesis provisioning of paths in optical network. OBGP is studied and discussed in the next chapter. Page 23. Next generation FEC for high-capacity communication in optical transport networks

FREE-DOWNLOAD [PDF] IB Djordjevic, M Arabaci¦ : Journal of Lightwave ¦,2009
ABSTRACT Codes on graphs of interest for next generation forward error correction (FEC) in high-speed optical networks, namely turbo codes and low-density parity-check (LDPC) codes, are described in this invited paper. We describe both binary and nonbinary LDPC

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