Driven by the internet and new datacommunications services, demand for bandwidth in longdistance networks doubles at least every two years. Thorlabs also offers a benchtop erbiumdoped fiber link amplifier developed by our strategic partner, menlo systems. Connet mars series l band optical fiber amplifier is integrated with high power and high property multimode pumps, plus with double cladding fiber amplifying technology and the optimized optical structure design to realize output power up to 5w. Since the erbiumdoped fiber amplifier edfa and raman amplifier designs can only be optimized for c band not both c band and l band initially, the performance can be degraded when upgrading to l band, resulting in less than double the capacity of a c band only system. They feature lownoisegain blocks for l band optical amplification requirements. Today, some longhaul fibers carry 50 to 100 gbitssec per route, and traffic in many networks grows from 30% to 150% annually. Connet mars series lband optical fiber amplifier is integrated. Lband erbium fiber amplifiers designed for high power. Lband ba edfa 30mw200mw erbiumdoped fiber amplifier module. The l band fiber optic transmitterreceiver pair are used for transporting rf satellite signals in the l band over fiber from the antenna to the satellite receiver. The multiple application platform map erbium doped fiber amplifier medfac1 is a thirdgeneration amplifier design, optimized for use in the systemslab or for optical test and measurement applications.
These amplifiers are manufactured utilizing highly reliable surface mount technology and advanced microstrip rf circuitry and are typically deployed for multiple receiver installations in satellite telecommunication networks to compensate for l band signal paths through long. Available in connected benchtop or in compact oem modules, these amplifiers are reliable and do not require maintenance. The raman amplifier features 2 or 4 pumping wavelengths for gain flattened amplification. Used in extreme temps, corrosive or vacuum chamber environments.
The l band is one of the chief operating ranges used by various applications such as radars, global positioning systems gps, radio, telecommunications and aircraft surveillance. L band frequency products our l band include ultra high stability 10 mhz reference source, lband line amplifier with agc or fixed gain, outdoors proof biastees and more. The amp 2150 series of l band line amplifiers provide high gain as well as optional dc path continuity. Highspeed, fiberoptic, linear reference transmitters. Erbiumytterbium codoped fiber amplifies signal in the lband. Hybrid lband optical fiber amplifier module with erbiumdoped. L band erbiumdoped fiber amplifier edfa is a series of optical power amplifiers specially designed for optical fiber laser or optical fiber communication systems. Thor flbandtxrx satellite lband rf over fiber transmitter. They are often operated with light pulses, although continuouswave operation is possible in some cases. Pdf computer aided edfa design, simulation and optimization. Lband erbium fiber amplifiers dedicated to scientific applications cefalpbhp series are lband erbium fiber amplifiers designed for a single channel amplification. A more detailed description is given of two programs, edfa designr and. L band ba edfa 30mw200mw erbiumdoped fiber amplifier module type. A booster optical amplifier boa is a polarization sensitive device that only amplifies light with a specific polarization.
Pdf comparison of discrete l band raman fiber amplifier in. Thorlabs allinone digital reference transmitters are based on proven lithium niobate linbo3 modulator technology driven by highfidelity rf amplifiers. A spectrum analyzer measures the magnitude of an input signal versus frequency within the full frequency range of the instrument. Our benchtop boas are available with center wavelengths at 1050, 0, 1550, 1590, and 1625 nm. Cefa l pbhp series are l band erbium fiber amplifiers designed for a single channel amplification. The performance of a discrete l band raman fiber amplifier rfa is investigated and compared for two different configurations. Foxcom fiber optic ifl systems lband rf over fiber solutions. T he most promising configuration is combining lband 1570 1620 nm with. The paper demonstrated the l band remote pumped edfaraman. L band rf signals have a very limited range over coaxial cable, typically no more than a few hundred feet. These amplifiers are manufactured utilizing highly reliable surface mount technology and advanced micro strip rf circuitry and are typically deployed for multiple receiver installations in satellite telecommunication networks to compensate for l band signal paths through long coaxial cable.
Comparison of discrete l band raman fiber amplifier in two different configurations. Science and technology, general amplifiers usage amplifiers electronics energy conservation analysis fiber optic equipment fiber optics equipment and supplies. They accept a fiber optic input from a companion transmitter and provide an electrical output signal. Performance analysis of flat gain wideband raman amplifier for s. The most promising configuration is combining lband 1570 1620 nm with. The input and output isolators also serve to prevent any spontaneous emission signal from entering the amplifier and the pump light from exiting the amplifier, respectively.
The cisco ons 15454 l band optical amplifiers take advantage of the latest in amplifier technology, variable optical attenuators, photo diodes, and extensive software to facilitate a high degree of automation for simplified operations. Comparison of discrete lband raman fiber amplifier in two. It can be positioned at any point in the network and amplifies in the c 1530 nm 1565 nm and l band 1565 nm 1625 nm. L band refers to the operating frequency range of 12 ghz. The rise in available transmission bandwidth per fiber is even significantly faster than e. A versatile, costeffective choice for many applications. They feature lownoisegain blocks for lband optical amplification requirements. L band products directly from worldleading manufacturer. The mars series c band polarization maintaining fiber amplifier of connet laser adopts the integrated all fiber structure design. Edfa with extended wavelength, lband amplifiers, search 100s of edfa.
Our amplifiers meet the most demanding optical specs options for lownoise figure 25dbm and singlechannel extended c and l band. The raman amplifier can provide the better amplification and gain flattening in l band to reduce the influence of fiber nonlinearity. The 7708lra7708lrh are vistalink capable fiber optic receivers for extended l band and other signals. Raman amplifiers are optical amplifiers based on raman gain.
Foxcom is the oldest producer of rf over fiber optic ifl products for communication network applications such as long distance interfacility links, earth station antennas, vsat antennas and maritime 3axis vsats in c band, x band, l band and ku band. Thorlabs allinone linear reference transmitters are based on proven lithium niobate linbo3 modulator technology driven by highfidelity rf amplifiers. For applications where the input polarization is unknown or fluctuates, a semiconductor optical amplifier soa is required. Optical fiber provides a costeffective solution for long cable runs in l band systems. Optampl card and the possibility to configure it through software to operate as. Techwin l band optical fiber amplifier is integrated with high power high property mm pumps, plus with double cladding fiber amplifying technology and optical structure design to realize output power up to 1. Booster optical amplifiers boas are singlepass, travelingwave amplifiers that perform well with both monochromatic and multiwavelength signals. These l band amplifiers deliver up to 33 dbm of saturated output power with low input power. A software package for the design of erbiumdoped fiber amplifiers edfas. Mpo tools are available in optisystem software to optimize the pump. Performance analysis of flat gain wideband raman amplifier. It can directly amplify the optical signal of the c, l and cl bands and significantly improve the opticaltonoise ratio, which improves the transmission performance of the system.
L band refers to the operating frequency range of 12 ghz in the radio spectrum. Satellite lband rf over fiber transmitter and receiver kit. The ofw28 lband fiber optic distribution system is designed to. Combined with the ampfl501xcb series cband edfa, it enables the expansion of. The unique polarization control technology and the advanced polarization maintaining fiber splicing technology ensures that the amplifier can obtain high power and high extinction ratio linear polarization output. Monitoring and control of card status is provided locally at the card edge and remotely via vistalink. The erbiumdoped fiber amplifier edfa is the most deployed fiber amplifier as its amplification window coincides with the third transmission window of silicabased optical fiber. Rp photonics encyclopedia optical fiber communications. Tdfa thulium doped fiber amplifier and pdfa praseodymium doped fiber amplifier are comparable to an edfa, but are doped with. Within the last 30 years, the transmission capacity of optical fibers has been increased enormously. Lband compact amplifiers lrl 80 76176 80 m version of reduced length lband fiber, with reduced cladding designed for high efficiency, low noise figure, low nonlinear effects and spectral flatness in dwdm amplifiers as well as smaller bend radius needed for compact amplifier design. Hybrid lband optical fiber amplifier module with erbiumdoped fiber amplifiers and semiconductor optical amplifier.
These lband amplifiers deliver up to 33 dbm of saturated output power with low input power. Our boas are pigtailed with pm fiber and will amplify light aligned to the slow axis of the input fiber connector. Lband optical amplifier portfolio for the cisco ons 15454. Highspeed, fiberoptic, digital reference transmitters.
The l band tunable fiber laser tunable range of the wavelength covers the l band, realizing continuous laser output of up to 64 wavelengths standard itut wavelength, with wavelength interval of 100ghz. The questtels l band over fiber optics system transmitter and receiver allows signals to be carried from an rf satellite signals to a satellite receiver with minimal signal degradation. The cisco ons 15454 lband optical amplifiers take advantage of the latest in amplifier technology, variable optical attenuators, photo diodes, and extensive software to facilitate a high degree of automation for simplified operations. The ofw28 lband fiber optic distribution system consists of four subassemblies consisting of a gps antenna, a transmitter module, and receiver module and a fiber optic interconnection cable. Since boas only amplify one state of polarization, they are best suited for applications where the input polarization of the light is known. Report by advances in natural and applied sciences. Fiber optic sensors are small enough to fit in confined areas and can be positioned precisely where needed with flexible fibers. They are designed for highspeed fiber optic test and measurement applications. Each fiber amplifier is enclosed in a compact benchtop package with fcapc 2. Lband low noise amplifier this lband lna is designed for lowest noise figure and high gain.
The double fp cavity tuning standard and high gain chip are integrated, which have the characteristics of high output optical power, narrow line width and high wavelength accuracy. If you do not see what you are looking for, ask an expert. Two bands have developed in the third transmission window the conventional, or cband, from approximately 1525 nm 1565 nm, and the long, or lband, from. Agilent optical amplifier test solutions single channel. Lband booster optical amplifiers boas, 1590 1625 nm. The amp5001lb series is a 19inch rack mount edfa in the lband.