Opticalnetwork drivers many factors are driving the need for optical networks. Maximum optical power loss in the odn difference between the tx power and the sensitivity of the rx considers attenuation of fiber, connectors, splices, splitters, etc. A unit of measurement of optical power, which indicates relative power. Optical fiber communication seminar and ppt with pdf report. This manual attempts to aggregate all of the available information on ituts work. At data plane, the elastic optical network eon concept 1215 has emerged as a novel optical network architecture able to. This page on fiber optic communication tutorial covers basics,benefits of fiber optic system, fiber optic cablesconnectors,optical transmitter,optical receiver and optical components the fiber optic communication systems are mainly used for long distance telephone communication across large seas and nowadays even for transmitting internet data from. This tutorial is divided into distinct chapters, which explains the structural features of optical fibers and their connections in. Note that standards use terminology node b for base.
An optical fiber is a thin, flexible, crystal clear fiber that acts as a waveguide, or light pipe, to convey light between the two ends of the fiber. This page contains optical fiber communication seminar and ppt with pdf report. Optical fiber communication seminar ppt with pdf report. And how to optimize wdm network has always been a hot topic. These are loosetube, which are used in many outside plants, duct, directburied applications, and tightbuffered, which are primarily used inside buildings. Different optical solutions are available today, each. This guide will help you get started by providing very basic information we will also point you to more advanced studies and demonstrating that you dont need to break the bank to break into the field. Wdm optical network divide the vast transmission bandwidth available on a fiber into several different smaller capacity channels nonoverlapping bandwidths, each of these channels can be operated at a moderate bit rate 2. Overview this tutorial discusses synchronous transmission standards in world public telecommunications networks.
In the first one fiber is dedicated to each user in the access network. Optical fibers are also unaffected by electromagnetic interference. A few of the most important reasons for migrating to the optical layer are described in this module. Fiber optic communication tutorial fiber optic basics. University academy formerlyip university cseit 11,016 views. The first phase the first phase of lightwave systems operated near 850 nm and used gaas semiconductor lasers with multimode fibres. The center of the fiber where the light is transmitted. This book is based on lectures presented at an annual short course entitled fiber optic communication systems at the university of california at santa barbara. The connectors can be mated and unmated at any time. Components of gpon ftth access network a passive optical network pon is a pointtomultipoint, shared optical fiber to the premises network architecture in. Tutorials of fiber optic products here you can find the. Although fiber optic cable is still more expensive than other types of cable, its favored for todays highspeed data communications because it eliminates the problems of twistedpair cable, such as nearend crosstalk next, electromagnetic interference eivii, and security breaches.
An overview of gpon in thean overview of gpon in the. Today in north america, there are two basic cable designs that are used for designing fiber optic networks. In every phase bl increased initially but began to saturate as the technology matured. Cfo 301 standard for installing and testing fiber optics management, security or fire alarm systems, or any other communications link. In case of conflict between the material contained in the tutorial and the material. In the second, one fiber is shared via a power splitter amongst a set amount of users. In premises applications, fiber optic cables can be used as the backbone cabling in a standard structured cabling network, connecting network hardware in the computer roommain cross connect. How fiber works the basics, fiber types and limitations, etc optical power understanding dbm, loss, using light meters, etc working with optics choosing the right type. This central section, made of silica or doped silica, is the light transmitting region of the fiber. Singlemode optical fiber is an optical fiber in which only the lowest order bound mode can propagate at the wavelength of interest typically 0 to 20nm. This leads to a wide variety of confusion, misconceptions, and errors when working with fiber optic networks. A typical pointtopoint fiber optic communication network consists of a transmitter laser, a transport medium optical fiber and a receiver photodiode as in figure 1. The internet as an industry is largely based around fiber.
Optical fiber transmission uses wavelengths that are in the nearinfrared portion of the spectrum, just above the visible, and thus undetectable to the unaided eye. The advantages of this approach are that the connection is. An optical network unit onu is located at the curb fttc solution, or an optical network terminal ont is located at the end user location ftth, fttb solutions, to provide broadband voice, data, and video services with guaranteed quality of service. Fractions of the optical power on the bus aretapped off to provide a signal to each subscriber. Tutorial fiber basics optical fibers are circular dielectric waveguides that can transport optical energy and information. Optical fiber networks have high capacity can be used for providing the high bandwidth services even in wireless, infrared means high bandwidth connectivity. From a networking perspective, the increased complexity of the underlying transmission systems is re. In the past, fiber optic connectors posed a deep concern for network installers because they were difficult to use. The x in fttx stands for different things based on how close the fiber terminates to the end customer. They are based on optical technologies and components, and are used to route, groom, and restore wavelength levels and wavelengthbased services. Both lasers and leds are used to transmit light through optical fiber.
Passive optical network tutorial what is passive optical network. Dwdm primer course description fnc and fnc customer use only scope the dwdm primer course is intended for network planners, and engineers who would like to familiarize themselves with dwdm technology. Optical fiber is a highlytransparent strand of glass that transmits light signals with low attenuation loss of signal power over long distances, providing nearly limitless bandwidth. However, it is not always easy to find out what has been covered, and where it can be found. Wdm optical network archives tutorials of fiber optic. Fiber cleaving is the fastest way to achieve a mirrorflat fiber end it takes only seconds.
Synchronous digital hierarchy sdh definition synchronous digital hierarchy sdh and synchronous optical network sonet refer to a group of fiberoptic transmission rates that can transport digital signals with different capacities. Purpose of this tutorial why talk about optical networking. Learn about fiber optic basics, fiber, jargon, cable, termination, network, estimation, testing, training, and glossary. In addition, other personnel who wish to gain a general understanding of dwdm are encouraged to attend. Design and implementation of a fiber to the home ftth. While fttb and ftth solutions have fiber reaching all the way to. The transponder is a device to optimize the performance of wdm network, which plays an important in the whole system of wdm network. The basics of fiber optics getting started in fiber optics you need tools, test equipment and most of all training. Usually, a fiber optic communication system consists of three main components. Message input laser detector message output electrical input electrical. Fiber capacity the first implementation of what has emerged as the optical network began on routes that were fiber limited.
The outside optical layer of the fiber that traps the light in the core and guides it along even through curves. Yet many router jockeys dont get enough exposure to it. All the networks using optical fiber as transmission medium optical networks when transmitted signal remains in optical form till its arrival at destination alloptical network. Cable designs for fiber optic networks fiber optic tutorial.
A connector terminates the optical fiber inside a ceramic ferrule, using epoxy to hold the fiber in place. An optical fiber is made of 3 concentric layers see figure 3. Fttx can use p2p links to reach the end users or a pon based p2mp topology. The optical transmitter converts the electrical signal to the optical signal. It is commonly deployed in two specific configurations. This selfstudy program is designed to introduce the designer or manager to the process of fiber optic network design and the implementation of that design in a real world project. Since the network adapter and switch are backward compatible, the data rate of supported dac should no higher than connected two devices on each end. This technology enables telecommunications service providers to send voice, data, and video at ever increasing rates.
Fiber all the way to the home or business customer ftth or fttb. The proposed tutorial will be a collections of background, stateoftheart, and open research topics in the area of cloud radio access networks. An overview on application of machine learning techniques. The range of signal frequencies or bit rate within which a fiber optic component, link or network will operate.
Passive optical network pon is a form of fiberoptic access network that uses pointtomultipoint fiber to the premises in which unpowered optical splitters are used to enable a single optical fiber to serve multiple premises. Fundamentals of optical fiber communication, second edition is a sevenchapter tutorial text that considers fiber optic technology as applied to communications systems. Radio access network tutorial pdf the entities in utran are. The technology ofusing multiple optical signals ont he same fiber iscalled wavee gth divisi utipexi g wdm. Optical fiber is the technology associated with data transmission using light pulses traveling along with a long fiber which is usually made of plastic or glass. Fundamentals of optical fiber communications 2nd edition. Note for optical fibre communication ofc by sunil s. The bus is a high bandwidth optical fibre which traverses the entire distribution area. Note for optical fibre communication ofc by sunil s harakannanavar. Optical networks are telecommunications network of high capacity. Ftth is simply the 100% deployment of optical fiber in the access network. Metal wires are preferred for transmission in optical fiber communication as signals travel with fewer damages. Thin strands of highly transparent glass or sometimes plastic that guide light.
A 10 db means a reduction in power by 10 times, 20 db means another 10. But today, manufacturers are making connectors that are more userfriendly and that adhere to certain industry standards. The basic principle involves placing the fiber under tension, scribing with a diamond or carbide blade perpendicular to the axis, and then pulling the fiber apart to produce a clean break. Everything you always wanted to know about optical. Typical optical transmission wavelengths are 850 nm, 10 nm, and 1550 nm. As an important technology in the fiber optical network, wdm is moving beyond transport to become the basis of alloptical networking.