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Optical Society of America
(96 results)-
White Papers
Broadband Hitless Silicon Electro-Optic Switch for On-Chip Optical Networks
December 7, 2009, 12:00am PST
This paper report on the demonstration of a broadband (60 GHz), spectrally hitless, compact (20 µm x 40 µm), fast (7 ns) electro-optical switch. The device is composed of two coupled resonant...
Provided by Optical Society of America
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White Papers
Single Port Optical Switching in Integrated Ring Resonators
April 28, 2009, 12:00am PDT
Semiconductor ring lasers (SRLs) are attractive components for all-optical signal processing. They typically lase bidirectional at low drive current and unidirectional at high current due to gain...
Provided by Optical Society of America
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White Papers
Experimental Demonstration of Optical Switching and Routing Via Four-Wave Mixing Spatial Shift
January 18, 2010, 12:00am PST
The paper demonstrates the shift characteristics of Four-Wave Mixing (FWM) beam spots which are controlled by the strong laser fields via the large cross-Kerr nonlinearity. The shift distances and...
Provided by Optical Society of America
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White Papers
Virtualizing and Scheduling Optical Network Infrastructure for Emerging IT Services
February 14, 2009, 12:00am PST
Emerging IT services providers which aim at delivering supercomputing power available to the masses over the Internet, rely on high performance IT resources interconnected with ultra-high...
Provided by Optical Society of America
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White Papers
Point-to-Multipoint VLAN Path Signaling Demonstration on the GMPLS Controlled Ethernet Test Network
January 5, 2010, 12:00am PST
Ethernet has greatly succeeded in Local Area Network (LAN). A simple forwarding scheme of Ethernet facilitated the development of high-speed and cost-effective Ethernet equipments. Ethernet is now...
Provided by Optical Society of America
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White Papers
Comparison of Static and Dynamic WDM Networks in Terms of Energy Consumption
January 5, 2010, 12:00am PST
Currently, telecommunication networks have been reported to account for 1-10% of the world's energy consumption. Given the ever increasing demand for Internet traffic, this figure is expected to...
Provided by Optical Society of America
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White Papers
Transparent High-Data-Rate Optical Transmission Through Broadband Hitless Bypass Switches for Chip-Scale Optical Networks
April 12, 2010, 12:00am PDT
Silicon photonics has been realized to provide outstanding performance in very broad range of applications such as short-haul communication, and on-chip global interconnection networks in...
Provided by Optical Society of America
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White Papers
Clustering Methods for Hierarchical Traffic Grooming in Large-Scale Mesh WDM Networks
August 1, 2010, 12:00am PDT
This paper considers a hierarchical approach for traffic grooming in large multiwavelength networks of a general topology. Inspired by similar concepts in the airline industry, the author...
Provided by Optical Society of America
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White Papers
Cross-Layer Traffic Grooming for Optical Networks With Hybrid Layer-One and Layer-Zero Signal Regeneration
January 5, 2010, 12:00am PST
Traffic grooming is important for optical transport networks. Most of studies in this area have focused on minimizing total network capacity or maximizing total served traffic demand subject to...
Provided by Optical Society of America
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White Papers
Coarse Optical Circuit Switching by Default, Rerouting Over Circuits for Adaptation
December 17, 2008, 12:00am PST
As Internet traffic continues to grow unabated at an exponential rate, it is unclear whether the existing packet-routing network architecture based on electronic routers will continue to scale at...
Provided by Optical Society of America
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White Papers
Broadband All-Optical Modulation in Hydrogenated-Amorphous Silicon Waveguides
April 27, 2010, 12:00am PDT
the authors demonstrate broadband all-optical modulation in low loss hydrogenated-amorphous silicon (a-Si:H) waveguides. Significant modulation (~3 dB) occurs with a device of only 15 £gm without...
Provided by Optical Society of America
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White Papers
Does Header Length Affect Performance in Optical Burst Switched Networks?
January 1, 2010, 12:00am PST
This paper investigates the impact of non-negligible Header Length (HL) in optical burst switching on blocking probability. The header length is the total delay of a control packet at the...
Provided by Optical Society of America
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White Papers
Polysilicon Photonic Resonators for Large-Scale 3D Integration of Optical Networks
December 10, 2007, 12:00am PST
On-chip silicon photonic networks are a promising solution for the interconnect bottleneck in high performance microelectronics, but the additional silicon real estate required to integrate...
Provided by Optical Society of America
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White Papers
Evaluation of Protection Reconfiguration for Multiple Failures in Optical Networks
January 1, 2010, 12:00am PST
Protection and restoration are important in designing reliable optical networks and have been widely studied in the literature. Most practical studies of high-speed recovery algorithms assume only...
Provided by Optical Society of America
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White Papers
Lightpath Routing for Maximum Reliability in Optical Mesh Networks
May 1, 2008, 12:00am PDT
Authors consider the problem of maximizing the reliability of connections in optical mesh networks against simultaneous failures of multiple fiber links that belong to a shared-risk link group...
Provided by Optical Society of America
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White Papers
Adaptive Modulation and Coding for Free-Space Optical Channels
May 1, 2010, 12:00am PDT
Adaptive modulation and coding can provide robust and spectrally efficient transmission over terrestrial free-space optical channels. Three adaptive modulation schemes are considered in this...
Provided by Optical Society of America
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White Papers
Coded PPM and Multipulse PPM and Iterative Detection for Free-Space Optical Links
October 1, 2009, 12:00am PDT
Signal modulation has an important impact on the system performance in optical communication. Two attractive modulation schemes are Pulse Position Modulation (PPM) and Multi Pulse PPM (MPPM),...
Provided by Optical Society of America
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White Papers
Fading Reduction by Aperture Averaging and Spatial Diversity in Optical Wireless Systems
October 30, 2009, 12:00am PDT
Atmospheric turbulence can cause significant performance degradation in free-space optical communication systems. It is well known that the effect of turbulence can be reduced by performing...
Provided by Optical Society of America
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White Papers
Integrated Polymer Microprisms for Free Space Optical Beam Deflecting
February 19, 2009, 12:00am PST
Authors demonstrate beam deflection and multiple channel communication in free space optical communications using microprisms integrated directly onto an array of Vertical Cavity Surface Emitting...
Provided by Optical Society of America
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White Papers
Online Excess Bandwidth Distribution for Ethernet Passive Optical Networks
April 1, 2009, 12:00am PDT
Excess bandwidth distribution techniques have recently been proposed to improve the dynamic bandwidth allocation in Ethernet Passive Optical Networks (EPONs). This paper compares existing offline...
Provided by Optical Society of America
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White Papers
LDPC-Coded Orbital Angular Momentum (OAM) Modulation for Free-Space Optical Communication
November 22, 2010, 12:00am PST
An Orbital Angular Momentum (OAM) based LDPC-coded modulation scheme suitable for use in FSO communication is proposed. They demonstrate that the proposed scheme can operate under strong...
Provided by Optical Society of America
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White Papers
Rotational Multiphoton Endoscopy With a 1µM Fiber Laser System
August 1, 2009, 12:00am PDT
This paper presents multiphoton microendoscopy with a rotational probe and a 1 µm fiber-based femtosecond laser. The rotational probe is based on a double-clad photonic crystal fiber, a gradient...
Provided by Optical Society of America
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White Papers
High-Speed and Wide Bandwidth Fourier Domain Mode-Locked Wavelength Swept Laser With Multiple SOAs
February 11, 2008, 12:00am PST
This paper reports on the development of a high-speed, wide bandwidth Fourier Domain Mode-Locked (FDML) wavelength swept laser of around 1300 nm using two gain media for high-resolution and...
Provided by Optical Society of America
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White Papers
Large Area High Efficiency Broad Bandwidth 800 nm Dielectric Gratings for High Energy Laser Pulse Compression
December 21, 2009, 12:00am PST
The grating compressor is one of the most critical components of a high power Chirped Pulse Amplification (CPA) laser system. Requirements for the diffraction gratings include: high diffraction...
Provided by Optical Society of America
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White Papers
Topology-Focused Availability Analysis of Basic Protection Schemes in Optical Transport Networks
April 1, 2008, 12:00am PDT
The aggregate bit rate that an optical medium can carry continues growing steadily. Supported by advances in key technologies such as Wavelength Division Multiplexing (WDM), current networks can...
Provided by Optical Society of America
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White Papers
Strong Optical Injection-Locked Semiconductor Lasers Demonstrating > 100-GHz Resonance Frequencies and 80-GHz Intrinsic Bandwidths
April 28, 2008, 12:00am PDT
By using strong optical injection locking, the authors report resonance frequency enhancement in excess of 100 GHz in semiconductor lasers. This paper demonstrates this enhancement in Distributed...
Provided by Optical Society of America
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White Papers
Network Coding in Optical Networks With O/E/O Based Wavelength Conversion
March 4, 2010, 12:00am PST
Network coding is a process by which messages are encoded and sent across computer networks and then decoded at the receivers to optimize use of bandwidth as well as reliability. Optical networks...
Provided by Optical Society of America
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White Papers
Cross-Layer Survivability In WDM Networks With Multiple Failures
October 7, 2007, 12:00am PDT
The authors study the survivable lightpath routing problem in the context of multiple failures. The authors define network metrics to quantify the resilience of lightpath routings, and propose...
Provided by Optical Society of America
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Whitepapers
Experimental Demonstration of a Cost-Effective Bit Rate Variable IM/DD Optical OFDM with Reduced Guard Band
November 20, 2012, 12:00am PST
The authors experimentally demonstrate an intensity modulated and direct detection optical OFDM with variable bit rate from 5 Gb/s to 9 Gb/s using BPSK format. A fast processing based on the...
Provided by Optical Society of America
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Whitepapers
GMPLS/PCE Control of Flexi-Grid DWDM Optical Networks Using CO-OFDM Transmission [Invited]
August 10, 2012, 12:00am PDT
Current optical transport networks use optical channel carriers (wavelengths) that are defined and constrained by a fixed ITU-T Dense Wavelength Division Multiplexing (DWDM) grid. Such a grid is...
Provided by Optical Society of America
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Whitepapers
A Dynamic Path-Computation Algorithm for a GMPLS-Enabled Multi-Layer Network
June 1, 2012, 12:00am PDT
With the appearance of new emerging IP packet-based services (e.g., high-definition IPTV, video-conferences, etc.) and applications with various bandwidth and Quality of Service (QoS)...
Provided by Optical Society of America
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Whitepapers
Distributed Sharing of Functionalities and Resources in Survivable GMPLS-Controlled WSONs
February 17, 2012, 12:00am PST
Sharing of functionalities and sharing of network resources are effective solutions for improving the cost-effectiveness of Wavelength-Switched Optical Networks (WSONs). Such cost-effectiveness...
Provided by Optical Society of America
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Whitepapers
Experimental Demonstration of a Hybrid Operated MPLS-TP Transport Network for Dynamic Ethernet Service Provisioning and Restoration
October 6, 2011, 12:00am PDT
To achieve cost reduction, simplified operations and flexible scalability in the transport of IP and emerging Ethernet services, network operators need to migrate their optical transport...
Provided by Optical Society of America
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Whitepapers
Elastic Spectrum Allocation for Variable Traffic in Flexible-Grid Optical Networks
December 19, 2011, 12:00am PST
The currently deployed Wavelength Division Multiplexing (WDM) optical networks operate within a rigid frequency grid and with single-line-rate transponders making use of single carrier modulation...
Provided by Optical Society of America
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Whitepapers
Statistical Approach for Fast Impairment-Aware Provisioning in Dynamic All-Optical Networks
February 1, 2012, 12:00am PST
Physical Layer Impairments (PLIs) need to be considered in the Routing and Wavelength Assignment (RWA) process of all-optical networks to ensure the provisioning of good quality optical...
Provided by Optical Society of America
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Whitepapers
Building Data Centers With Optically Connected Memory
August 1, 2011, 12:00am PDT
Future data centers will require novel, scalable memory architectures capable of sustaining high bandwidths while still achieving low memory access latencies. Electronic interconnects cannot meet...
Provided by Optical Society of America
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White Papers
LDPC-Coded OFDM in Fiber-Optics Communication Systems
March 1, 2008, 12:00am PST
Low-Density Parity-Check (LDPC) coded Orthogonal-Frequency-Division Multiplexing (OFDM) is studied as an efficient coded modulation technique suitable for fiber-optics communication systems. The...
Provided by Optical Society of America
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White Papers
Channel Coding and Time-Diversity for Optical Wireless Links
January 12, 2009, 12:00am PST
Atmospheric turbulence can cause significant performance degradation in free space optical communication systems. An efficient solution could be to exploit the temporal diversity to improve the...
Provided by Optical Society of America
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White Papers
Wireless-PONs With Extended Wavelength Band Overlay
February 9, 2010, 12:00am PST
A novel network architecture featuring wireless transmission by means of FDM over multi-wavelength splitter PONs for enhanced network scalability is described. Assuming the application of a...
Provided by Optical Society of America
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White Papers
A Torus-Based 4-Way Fault-Tolerant Backbone Network Architecture for Avionic WDM LANs
March 30, 2011, 12:00am PDT
In this paper, the authors leverage the torus topology to design a Wavelength Division Multiplexing (WDM) backbone network for operation in hazardous avionic environments. The proposed WDM local...
Provided by Optical Society of America
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Whitepapers
Multicast Overlay for High-Bandwidth Applications Over Optical WDM Networks
August 8, 2012, 12:00am PDT
Multicast communication in Wavelength Division Multiplexed (WDM) networks is traditionally supported by the assumption that the optical cross-connects are multicast capable, i.e., they are capable...
Provided by Optical Society of America
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Whitepapers
Building Data Centers With Optically Connected Memory
August 1, 2011, 12:00am PDT
Future data centers will require novel, scalable memory architectures capable of sustaining high bandwidths while still achieving low memory access latencies. Electronic interconnects cannot meet...
Provided by Optical Society of America
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Whitepapers
Statistical Approach for Fast Impairment-Aware Provisioning in Dynamic All-Optical Networks
February 1, 2012, 12:00am PST
Physical Layer Impairments (PLIs) need to be considered in the Routing and Wavelength Assignment (RWA) process of all-optical networks to ensure the provisioning of good quality optical...
Provided by Optical Society of America
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Whitepapers
Elastic Spectrum Allocation for Variable Traffic in Flexible-Grid Optical Networks
December 19, 2011, 12:00am PST
The currently deployed Wavelength Division Multiplexing (WDM) optical networks operate within a rigid frequency grid and with single-line-rate transponders making use of single carrier modulation...
Provided by Optical Society of America
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Whitepapers
Experimental Demonstration of a Hybrid Operated MPLS-TP Transport Network for Dynamic Ethernet Service Provisioning and Restoration
October 6, 2011, 12:00am PDT
To achieve cost reduction, simplified operations and flexible scalability in the transport of IP and emerging Ethernet services, network operators need to migrate their optical transport...
Provided by Optical Society of America
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Whitepapers
Distributed Sharing of Functionalities and Resources in Survivable GMPLS-Controlled WSONs
February 17, 2012, 12:00am PST
Sharing of functionalities and sharing of network resources are effective solutions for improving the cost-effectiveness of Wavelength-Switched Optical Networks (WSONs). Such cost-effectiveness...
Provided by Optical Society of America
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Whitepapers
A Dynamic Path-Computation Algorithm for a GMPLS-Enabled Multi-Layer Network
June 1, 2012, 12:00am PDT
With the appearance of new emerging IP packet-based services (e.g., high-definition IPTV, video-conferences, etc.) and applications with various bandwidth and Quality of Service (QoS)...
Provided by Optical Society of America
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Whitepapers
GMPLS/PCE Control of Flexi-Grid DWDM Optical Networks Using CO-OFDM Transmission [Invited]
August 10, 2012, 12:00am PDT
Current optical transport networks use optical channel carriers (wavelengths) that are defined and constrained by a fixed ITU-T Dense Wavelength Division Multiplexing (DWDM) grid. Such a grid is...
Provided by Optical Society of America
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Whitepapers
Experimental Demonstration of a Cost-Effective Bit Rate Variable IM/DD Optical OFDM with Reduced Guard Band
November 20, 2012, 12:00am PST
The authors experimentally demonstrate an intensity modulated and direct detection optical OFDM with variable bit rate from 5 Gb/s to 9 Gb/s using BPSK format. A fast processing based on the...
Provided by Optical Society of America
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Whitepapers
CAPEX Study for Grid Dependent Multi-Layer IP/MPLS-Over-EON Using Relative BV-WSS Costs
January 23, 2012, 12:00am PST
The impact of the frequency grid on the CAPEX required to deploy a multi-layer IP/MPLS-over-EON is analyzed. Results showing significant savings at the electronic layer motivate the introduction...
Provided by Optical Society of America
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Whitepapers
Survivable IP/MPLS-Over-WSON Multilayer Network Optimization
August 1, 2011, 12:00am PDT
Network operators are facing the problem of dimensioning their networks for the expected huge IP traffic volumes while keeping constant or even reducing the connectivity prices. Therefore, new...
Provided by Optical Society of America
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Whitepapers
Offline Routing and Regenerator Placement and Dimensioning for Translucent OBS Networks
September 1, 2011, 12:00am PDT
The deployment of translucent optical networks is considered the most promising short term solution to decrease costs and energy consumption in optical backbone networks. In fact, translucent...
Provided by Optical Society of America
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Whitepapers
Relation of OSNR and PLR for Nonintrusive Fault Detection in All-Optical IP - Ethernet - WDM Networks
April 1, 2008, 12:00am PDT
The author presents an analytical expression for the relation of the Packet Loss Rate (PLR) with respect to the channel optical signal-to-noise ratio measured non-intrusively in an all-optical,...
Provided by Optical Society of America
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Whitepapers
Signaling and Multi-Layer Probe-Based Schemes for Guaranteeing QoT in GMPLS Transparent Networks
November 9, 2008, 12:00am PST
Three probe-based schemes accounting for multi-layer performance information are proposed to evaluate and guarantee lightpath QoT in transparent optical networks. Low blocking and fast set up...
Provided by Optical Society of America
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Whitepapers
Experimental GMPLS Routing for Dynamic Provisioning in Translucent Wavelength Switched Optical Networks
October 14, 2008, 12:00am PDT
A novel OSNR-based IRWA algorithm and the required GMPLS extensions for dynamic provisioning in translucent WSON are presented. Experimental evaluation and validation in the ADRENALINE test-bed...
Provided by Optical Society of America
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Whitepapers
Enhanced Backwards Recursive Path Computation for Multi-Area Wavelength Switched Optical Networks Under Wavelength Continuity Constraint
July 1, 2009, 12:00am PDT
In the context of the future Internet, all optical wavelength switched optical networks will play an important role in either evolutionary or revolutionary design paradigms. In any paradigm, Dense...
Provided by Optical Society of America
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Whitepapers
Effects of Outdated Control Information in Control-Plane-Enabled Optical Networks With Path Protection
July 1, 2009, 12:00am PDT
New signaling suites for a distributed control plane in Wavelength Division Multiplexing (WDM) networks, such as Generalized MultiProtocol Label Switching (GMPLS) and Automatic Switched Optical...
Provided by Optical Society of America
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Whitepapers
Experimental Validation of End-to-End GMPLS-Enabled Restoration in Multi-Domain Transparent WSON
January 5, 2010, 12:00am PST
Two GMPLS restoration strategies operating at wavelength and link granularities are experimentally validated in a multi-domain WSON. The strategies are qualitatively compared in terms of resource...
Provided by Optical Society of America
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Whitepapers
GMPLS-Based Multidomain Restoration: Analysis, Strategies, Policies and Experimental Assessment
June 21, 2010, 12:00am PDT
A connection spanning, for example, several countries crosses multiple optical backbone networks, each one controlled by different administrators or operators. In this context, the interworking of...
Provided by Optical Society of America
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Whitepapers
Lab Trial of a GMPLS Controlled MPLS-TP Packet Transport Network With Source/PCE Path Computations
July 27, 2011, 12:00am PDT
A lab trial validating the implemented GMPLS control plane for MPLS-TP in the ADRENALINE testbed is presented. The authors experimentally compare the establishment of bidirectional LSPs using...
Provided by Optical Society of America
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Whitepapers
Probe Schemes for Quality-of-Transmission-Aware Wavelength Provisioning
January 1, 2011, 12:00am PST
Future all-optical networks will have to fulfill at least the same stringent service quality requirements as legacy optical networks. This is particularly challenging in the context of...
Provided by Optical Society of America
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Whitepapers
Virtualizing ADRENALINE Testbed for Deploying Dynamic GMPLS-Controlled WSON as a Service
October 11, 2010, 12:00am PDT
The emergence of new applications requiring specific network resources is forcing service providers to have control over the optical network infrastructure in order to support rapid and automated...
Provided by Optical Society of America
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Whitepapers
SOA/REAM as Vector Modulator for QAM Upstream
January 12, 2011, 12:00am PST
Simultaneous encoding of information in the optical phase and amplitude for upstream transmission is demonstrated with an integrated SOA/REAM of small form factor. The crosstalk penalties between...
Provided by Optical Society of America
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Whitepapers
All-Optical Intra-PON Data Routing Between ONUs With a MG-Y Tunable Laser as 2.5 Gbps Burst-Mode Transmitter
October 8, 2010, 12:00am PDT
Direct communication between ONUs is experimentally demonstrated with a tunable MG-Y laser in a ring+tree PON for 640 users, without passing electrically powered equipment. Access networks are a...
Provided by Optical Society of America
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White Papers
Field and Lab Trials of PCE-Based OSNR-Aware Dynamic Restoration in Multi-Domain GMPLS-Enabled Translucent WSON
December 13, 2011, 12:00am PST
Dynamic lightpath restoration is a key issue in Wavelength Switched Optical Networks (WSON). On the other hand, the introduction of the Path Computation Element (PCE) and the Generalized...
Provided by Optical Society of America
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White Papers
Dynamic Virtual Link Mesh Topology Aggregation in Multi-Domain Translucent WSON With Hierarchical-PCE
December 1, 2011, 12:00am PST
The authors present a lab-trial of the designed and implemented path computation architecture for multi-domain translucent Wavelength Switched Optical Networks (WSON), using Hierarchical Path...
Provided by Optical Society of America
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White Papers
Experimental Demonstration of a Virtual Optical Network Resource Broker and Compositor for Dynamic GMPLS WSON Infrastructure Services
October 5, 2011, 12:00am PDT
The authors present a Virtual Optical Network (VON) Resource Broker and Compositor architecture to dynamically configure and deploy independent instances of virtual GMPLS-controlled WSON. They...
Provided by Optical Society of America
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White Papers
Experimental Evaluation of GMPLS Enhanced Routing for Differentiated Survivability in All-Optical Networks
May 1, 2008, 12:00am PDT
Future Intelligent Optical Networks (IONs) are devised to support a wide variety of clients, each having their own reliability requirements, such as availability. These networks thus need to...
Provided by Optical Society of America
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White Papers
Spectrally Efficient Hybrid Multiplexing and Demultiplexing Schemes Toward the Integration of Microwave and Millimeterwave Radio-Over-Fiber Systems in a WDM-PON Infrastructure
April 10, 2009, 12:00am PDT
Hybrid multiplexing and de-multiplexing schemes with the capability to integrate microwave and millimeter-wave frequency radio-over-fiber signals in a Wavelength Division Multiplexed Passive...
Provided by Optical Society of America
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White Papers
A Comparative Performance Study of Load Adaptive Energy Saving Schemes for IP-Over-WDM Networks
March 1, 2012, 12:00am PST
Load adaptive energy saving schemes for backbone IP networks use dynamic transport circuit services to adapt the active network resources to the current traffic demand in order to reduce the...
Provided by Optical Society of America
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White Papers
Differentiated Quality of Protection (QoP) and Cross-Layer Protection for Survivable Hybrid Packet/WDM Networks
September 29, 2008, 12:00am PDT
The authors experimentally study how to provide differentiated QoP for hybrid packet/WDM networks by intelligently using survivability from packet layer rerouting, WDM layer protection, or...
Provided by Optical Society of America
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White Papers
Availability-Aware Routing for Large-Scale Hybrid Wireless-Optical Broadband Access Network
October 12, 2009, 12:00am PDT
In large-scale hybrid wireless-optical broadband access networks, the availability of wireless links and optical links varies considerably. Availability-aware routing can significantly improve...
Provided by Optical Society of America
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White Papers
Backup Reprovisioning After Shared Risk Link Group (SRLG) Failures in WDM Mesh Networks
August 6, 2010, 12:00am PDT
In this paper, the authors study the impact of Shared Risk Link Group (SRLG) failures on shared path protection by examining the percentage of connections that are vulnerable after SRLG failures,...
Provided by Optical Society of America
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White Papers
Dynamic Bandwidth Allocation Schemes for Non-Uniform Traffic in EPON
January 1, 2012, 12:00am PST
Limited bandwidth allocation scheme in EPON is shown to suffer from poor utilization under non-uniform traffic conditions, particularly as the number of ONUs, guard time and round-trip time...
Provided by Optical Society of America
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White Papers
Transparent Transmission of a Secure Time Domain Spectral Phase Encoding/Decoding DPSK - OCDM Signal Over a DWDM Network
May 1, 2011, 12:00am PDT
The authors propose and experimentally demonstrate a transparent Optical-Code-Division Multiplexing (OCDM) overlay public Dense Wavelength-Division Multiplexing (DWDM) network architecture enabled...
Provided by Optical Society of America
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White Papers
Optimized Parallel Transmission in OTN/WDM Networks to Support High-Speed Ethernet With Multiple Lane Distribution
March 1, 2012, 12:00am PST
The emerging high-speed Ethernet is expected to take full advantage of the currently deployed optical infrastructure, i.e., Optical Transport Network over Wavelength Division Multiplexing...
Provided by Optical Society of America
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White Papers
Resource Criticality Analysis of Static Resource Allocations and Its Applications in WDM Network Planning
September 1, 2009, 12:00am PDT
Various static resource allocation algorithms have been used in WDM networks to allocate resources such as wavelength channels, transmitters, receivers, and wavelength converters to a given set of...
Provided by Optical Society of America
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White Papers
Lightpath Scheduling and Routing for Traffic Adaptation in WDM Networks
September 27, 2010, 12:00am PDT
The authors study the benefits and trade-offs of using scheduled lightpaths for traffic adaptation. They propose a network planning model that allows lightpaths to slide within their desired...
Provided by Optical Society of America
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White Papers
Cost Minimization Planning for Greenfield Passive Optical Networks
June 1, 2009, 12:00am PDT
The authors plan green-field PON networks to minimize their total deployment costs. They propose an efficient heuristic called the Recursive Association and Relocation Algorithm (RARA) to solve...
Provided by Optical Society of America
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White Papers
Energy-Minimized Design for IP Over WDM Networks
June 1, 2009, 12:00am PDT
As the Internet expands in reach and capacity, the energy consumption of network equipment increases. To date, the cost of transmission and switching equipment has been considered to be the major...
Provided by Optical Society of America
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