optical society of america

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Towards a Transponder for Serial 100 Gigabit Ethernet Using a Novel Optical SERDES

Video, data-center and mobile backhaul traffic promises to dominate much of metro traffic in the near future causing speculation for bandwidth exhaustion in the C-band. This has led to motivations for 100 Gbps per wavelength proposals especially in the Ethernet space. The 100 Gbps Ethernet GE proposals are currently being...

Tags: Data Center, Gigabit Ethernet, Optical Society Of America, Data Centers, Ethernet, Network Technology, Blade Servers, Storage, Networking, Servers, Hardware, Data Management

White papers 2008-10-07

Photonic Nanojet-Enabled Optical Data Storage

This paper shows that their recently reported microwave photonic jet technique for detection of deeply sub wavelength pits in a metal substrate can be extended to optical wavelengths for purposes of high-density data storage. Three-dimensional finite-difference time-domain computational solutions of Maxwell's equations are used to optimize the photonic nanojet and...

Tags: Data Storage, Wavelength, Substrate, Pit, Optical Society Of America, Storage Management, Storage, Hardware

White papers 2008-09-01

GMPLS-Based Optical Slot Switching Access-Distribution Network With a 10 ns High-Speed PLZT Optical Switch

This paper designs and implements an optical slot switching network for bulk content transfer. To realize the slot switching network, the paper employs the Generalized Multiprotocol Label Switching GMPLS extension protocol to reserve and release slots dynamically according to the application. The paper uses optical switches as relay points in...

Tags: Slot, Network, Optical Society Of America, Networking

White papers 2008-07-25

An Experiment of Controlling Gigabit Wide Area Ethernet by GMPLS Supporting Layer-2 Switching Capability

High speed and large capacity Ethernet technologies have been developed as represented by Gigabit Ethernet GE and 10 Gigabit Ethernet (10GE). Currently, due to the growth of Ethernet technologies, Ethernet has been deployed in Wide Area Network WAN as well as Local Area Network LAN. Therefore Wide Area Ethernet is...

Tags: Optical Society Of America, Ethernet, Network Technology, Networking

White papers 2008-01-22

Physical Impairment Based Regenerator Placement and Routing in Translucent Optical Networks

A novel Constraint-Based Routing CBR algorithm taking into account the dominant linear and nonlinear fiber optical transmission impairments has been analyzed. It is shown that CBR and intelligent regenerator placement decrease the blocking probability significantly. In future transparent optical transmission systems automatic wavelength switching will be introduced (Automatically Switched Optical...

Tags: Network, Wavelength, Impairment, Optical Society Of America, Networking

White papers 2008-01-22

Capacity Allocation in Optical Networks Under Dynamic Lightpath Demands

Efficient planning of optical networks requires an allocation of network capacity subject to certain economic or capacity constraints so that a forecasted network lightpath demand matrix or other performance objectives can be satisfied. Much research on optical networks has concentrated on static design, which aims to either minimize the maximal...

Tags: Optical Network, Matrix, Network, Network Capacity, Allocation, Optical Society Of America, Fiber Optics, Optical Networking, Networking, Telecommunications

White papers 2008-01-22

Gain Uniformity Optimization of SOA-Based Optical Packet Switching Nodes for Performance and Scalability Improvements

A design methodology is proposed in this paper that can potentially provide effective bandwidth and scalability improvements to optical packet switching environments utilizing semiconductor optical amplifiers as broadcast-and-select switching elements. The design achieves added uniformity in the nodal gain-loss spectrum. The methodology is tested and verified using a commercial device...

Tags: Performance, Optimization, Packet-switching, Scalability, SOA, Optical Society Of America, Design Methodology, Network Technology, Networking

White papers 2007-09-01

Feasibility of Flow-Based Optical Provisioning in GEANT

Traditionally the difference between telephone and data networks has been quite sharply demarcated. Since a telephone call is characterized by a set up time that is negligible compared with the call duration, it makes sense to allocate it into an end-to-end circuit. On the other hand, data transmission has to...

Tags: Phone, Network, Provisioning, Optical Society Of America, Telecom & Utilities, Networking

White papers 2007-08-27

Multi-Uplink Passive Optical Networks

Passive Optical Network PON is one of the important access network technologies to provide end users the cost effective broadband services. The coverage of a PON is mainly restricted by the optical signal loss between the Optical Line Terminal OLT and the K Optical Network Units ONUs. Even if the...

Tags: Optical Network, Fiber, Optical Society Of America, Passive Optical Network, Fiber Optics, Optical Networking, Networking, Telecommunications

White papers 2007-04-03

On the Upgrade of an Optical Code Division PON With a Code-Sense Ethernet MAC Protocol

Optical Code-Sense Multiple Access / Collision Detection (OCSMA/CD) is a novel Medium Access Control MAC protocol in the optical PHYsical layer PHY which is presented here for the first time. OCSMA/CD has its primary and most attractive application to transparently run Ethernet or packet based services on fiber-optic networks which...

Tags: Network, Protocol, Optical Society Of America, OCSMA/CD, Ethernet, Networking, Fiber Optics, Network Technology, Telecommunications

White papers 2007-02-13

Optical VPN Connecting ONUs in Different PONs

All optical Virtual Private Network VPN in a Passive Optical Network PON provides dedicated optical channels to connect VPN users. It is an effective technique to increase the throughput and reduce the latency of the network, while providing enhanced security for users. Several schemes based on waveband or wavelength reflection...

Tags: Optical Network, Optical Society Of America, VPNs, Networking, Fiber Optics, Network Security, Optical Networking, Telecommunications, Security

White papers 2007-02-13

Compact and Scalable Three-Dimensional Microelectromechanical System Optical Switches

With the rapid deployment of Passive Optical Networks PONs and triple-play services, a number of network operation challenges, such as fiber management, fiber fault localization, and customer churn, have emerged from the growing outside-plant fiber infrastructure. A remotely managed automated fiber solution based on large-scale optical switches with small footprint...

Tags: Fiber, Optical Society Of America, Network Technology, Networking

White papers 2007-01-01

Specification of SLA Survivability Requirements for Optical Path Protected Connections

Future core networks will provide connectivity services using resilient optical connections, often protected by Dedicated Path Protection DPP or Shared-Backup Path Protection SBPP. Connection survivability requirements are generally specified in Service Level Agreements SLAs along with revenue and penalty, due when the requirements are not met. Several studies have evaluated...

Tags: SLA, Specification, Optical Society Of America, Survivability Requirement, Connection Survivability Requirement, Service Level Management, It Operations, It service Management

White papers 2006-11-09

Multi-Area MPLS/GMPLS Interoperability Trial Over 14-Vendor Packet/TDM/ROADM/OXC Network

The Generalized Multi-Protocol Label Switching GMPLS technology is a framework that unifies network control of various types of Network Elements NEs across multiple network layers. This framework not only enables network operators to simplify the development of network control functionality in their network management systems, but also opens a vista...

Tags: Network, Optical Society Of America, Networking

White papers 2006-10-04

Utilizing Path Diversity in Optical Packet Switched Interconnection Networks

SPINet Scalable Photonic Integrated Network was recently introduced as an optical packet switched interconnection architecture for local area applications such as high-performance computing systems and storage-area networks. A SPINet switching fabric is comprised of a set of wideband 2×2 photonic switching nodes organized in a Multistage Interconnection Network MIN. Semiconductor...

Tags: Network, High-performance Computing, High-performance, Optical Society Of America, Semiconductor Optical Amplifier, Cloud Computing, Leadership, Management

White papers 2006-10-03

Optically Controlled 2×2 Switching Cell for Packet-Switched Networks

All-optical packet-switching eliminates the need for optical-electrical conversion and are ideal for high speed networks of the future. However, owing to the lack of optical random access memory and limited optical signal processing power available, progresses in all-optical packet-switching have been very slow. Recently, by using the multimode injection locking...

Tags: Network, Packet-switching, Packet-switched Network, Cell, Optical Society Of America, All-optical Packet-switching, Network Technology, Networking

White papers 2006-06-02

Demonstration of 2.5 Gbps Optical Burst Switched WDM Rings Network

This paper demonstrates 2.5 Gbps OBS network testbed. Combined with a reliable control channel, a high speed data channel successfully operates in the burst mode. Also, using a fast optical switch, one can reduce the guard time overhead. The designed protocol and accompanying physical architecture allows much flexibility to shift...

Tags: Network, WDM, Optical Society Of America, OBT Architecture, Optical Networking, Networking

White papers 2006-03-06

Wavelength-Division-Multiplexed Passive Optical Network (WDM-PON) Technologies for Broadband Access: A Review [Invited]

The Passive Optical Network PON is an optical fiber based network architecture, which can provide much higher bandwidth in the access network compared to traditional copper-based networks. Incorporating Wavelength-Division Multiplexing WDM in a PON allows one to support much higher bandwidth compared to the standard PON, which operates in the...

Tags: Bandwidth, Optical Network, Microsoft Access, Network, Broadband, Network Architecture, Optical Society Of America, Passive Optical Network, Networking, Optical Networking, Network Administration, Fiber Optics, Telecommunications

White papers 2005-11-01

Achieving Open Access in Ethernet PON (EPON)

Ethernet Passive Optical Networks EPONs are point-to-multipoint broadband access networks. An Optical Line Terminal OLT at the Central Office CO is connected to many Optical Network Units ONUs at remote ends using optical fiber and passive splitter. EPON has been standardized in the IEEE 802.3ah standards body. Ethernet technology is...

Tags: Microsoft Access, Optical Society Of America, EPON, Ethernet Technology, Ethernet, Network Technology, Networking

White papers 2004-09-13

Additional Resources

Optical fibers with a silicon core?

According to the Optical Society of America, U.S. researchers have been able to create a practical optical fiber with a silicon core. As they were able to use the same commercial methods that are used to develop all-glass fibers, this might pave the way for future silicon fibers as viable...

Tags: Silicon, Optical Fiber, Fiber, Network Technology, Networking, Roland Piquepaille, Fiber Optics, Optical Networking, Telecommunications

Blog posts 2008-10-29