Optical Networks

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  • Optical-electrical network convergence primer

    Optical-electrical network convergence will collapse network layers, lower capex and opex, and cut management complexity for next-generation IP services. Our primer has the basics. 

  • Optical transport network (OTN) primer

    This optical transport network (OTN) primer tells you about the ITU standards designed to build more network functionality into optical networks and how traditional carriers and content providers are using this architecture. 

  • ACG Research on Huawei vs. network equipment vendors

    Part two of our Q&A with ACG Research focuses in on how Huawei competes with network equipment vendors and its aspirations to enter the enterprise networking market one piece of equipment at a time. 

  • ACG Research on Huawei, Chinese business culture and the Art of War

    ACG Research researched Huawei and Chinese business culture for months to shed light on the vendor’s go-to-market strategy and why global telecom carriers and network equipment vendors need to understand the Art of War. 

  • 2010 telecom fan favorites – the gifts that keep on giving

    It’s time again for the top-ranked SearchTelecom.com telecom content of the year, and you voted with your clicks for the best of IPv6, Optical Network Transport, 4G LTE, MPLS and OSS/BSS. Feel free to re-gift to your very best friends. 

  • A short history of 100G DWDM optical network transport development

    As long-haul dense wave division multiplexing (DWDM) growth is accelerating, interest in 100G DWDM optical network transport continues to surge, even as operators deploy 40G DWDM systems to increase optical channel rates. To discover the reason for t... 

  • 100G DWDM optical networking transport: The telecom industry prepares

    The telecom industry wants to move quickly to develop 100G DWDM optical network transport. In part 1 of this expert lesson, optical networking expert Eve Griliches looks at the forces driving first-generation adoption. After learning from 40G mistake... 

  • Enabling technologies for 100G DWDM network transmission

    As 100G DWDM optical network transport takes hold to speed optical channel rates to accommodate traffic growth, DWDM technology vendors, telecom service providers and standards groups have to make hard choices in terms of modulation formats. Find out... 

  • The physics of fiber in optical networks

    'Optical Fibers,' Chapter 5, from "The Cable and Telecommunications Handbook, Volume 2, Third Edition" focuses attention on the history and evolution of optical fiber, as well as special fibers that are currently in use in optical networks. Additiona... 

  • Best practices for optical network design

    Fiber-optic technology -- not long ago used only in long-haul networks -- has become the transmission medium of choice not only in the core, but in metro and access networks. The game-changer is global growth in consumer broadband and the need to dis... 

  • See more Essential Knowledge on Optical Networks
  • optical network (photonic network)

    An optical (photonic) network is a communications network in which information is transmitted as optical or infrared radiation transmission (IR) signals. Optical transmission has several other advantages over electrical transmission, including short... 

  • fiber to the x (FTTx)

    Fiber to the x (FTTx) is a collective term for various optical fiber delivery topologies that are categorized according to where the fiber terminates 

  • passive optical network (PON)

    A passive optical network (PON) is a system that brings optical fiber cabling and signals all or most of the way to the end user. 

  • dense wavelength division multiplexing (DWDM)

    Dense wavelength division multiplexing (DWDM) is a technology that puts data from different sources together on an optical fiber, with each signal carried at the same time on its own separate light wavelength. 

  • optical fiber (fiber optic)


  • ROADM (reconfigurable optical add-drop multiplexer)

    An ROADM (reconfigurable optical add-drop multiplexer) is a device that can add, block, pass or redirect modulated infrared (IR) and visible light beams of various wavelengths in a fiber optic network. ... (Continued) 

About Optical Networks

The optical network and its components are at the heart of carrier-class networks. Optical network design, optical network control and management, and selection and operation of such specific equipment as optical network switches and ROADMs is critical. Here you'll find help with those topics, plus DWDM, Sonet, passive optical networks, and more.