Emcore reserves the right to change the design or specifications at any time. Fs dispersion compensation module fully uses of dcf tech for compensating dispersion in optical fiber with 140km max. Since dispersion is inevitable in optical fibers, dispersioncompensating fibers, such as those sold on. Features and benefits the cisco ons 15216 dispersion compensator shelf figure 1 is a passive mechanical housing that is 1 rack unit 1ru high and fits in a 19 or 23inch rack or bay. Typical dispersion compensation modules can increase the total fiber length by as much as 65%, while. Specifications are subject to change without notice. At the extreme wavelengths of a band, dispersion still accumulates and can be a significant problem. Mrv, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated.
Optical specifications designed for optical fiber smf28, single mode fiber itu g. Lambdadriver dispersion compensation module em8001600dcm and dcmd, em800dcmd datasheet, em800dcmd circuit, em800dcmd data sheet. Research highlights proposed dispersion compensation module dcm achieved a fourthorder dispersion compensation. Dispersion psnmkm 1525 1530 1535 1540 1545 1550 1555 1560 smf nzdsf dispersion shifted fiber 5 05 wavelength nm 10. Consistent with the present invention, a dispersion compensation module is provided which comprises a housing accommodating one or more spools of dcf. Dispersion compensation module dispersion in optical networks used for data transport, particularly over longer fiber distances, can adversely affect system performance e. Electronic dispersion compensation university of illinois.
Ncnh dc4520 dispersion compensation module data sheet. In this case, we selected a postcompensation scheme because it is simple compared to the symmetrical compensation scheme. Dispersion compensation module product specifications. The dispersion compensation is designed for protocol transparent data rates between 10 mbps and. The ape femtocontrol is a compact motorized dispersion compensation unit for optimization of the duration of femtosecond laser pulses in the spectral range of ti. Dispersion compensation schemes a system perspective.
Figure of merit given two links, the figure of merit can say which one is better, this way the higher the figure of merit the better the link. Em800dcm datasheet, em800dcm datasheets, em800dcm pdf, em800dcm circuit. The 359c series dispersion compensation module provides a solution for dealing with existing high dispersion legacy installations. Dcm dispersion compensation modules provides fixed. Dispersion compensation module for longhaul dwdm system. The 359c series dispersion compensation module provides a solution for. Cisco gs7000 4way segmentable node 1 ghz with 4254 mhz split data sheet pdf 948 kb 21mar2008. We will now show how the amount of compensating dispersion affects system performance. Fs dcm is a purely passive module that provides negative. The link distance minus the transmission distance of the optical module is the minimum compensation distance, on this basis need to add 20km to ensure enough compensation. Dispersion compensation module for wdm pon at 5 gbs downstream with various data modulation nidhi agarwal, deepak bansal electronics and communication, global institute of technology, jaipur. Dispersion limits both the links bitrate and the maximum transmission distance that can be achieved through fiber. The dispersion compensation module is an important component for a long fiber optical link.
Cisco dispersion compensation unit transceiver 15216. Custom dispersion compensation fiber module dcm fs. Several values of compensation are available that cover from 20 km to 100 km of smf. It typically connects to the midstage of an oa like edfa, in the long haul transmission system. The dcu assembly provides compensation for accumulated chromatic dispersion effect in line and terminal sites of optical telecommunications systems.
The rp photonics buyers guide contains 20 suppliers for dispersion compensation modules. Cisco gs7000 dispersion compensation module in digital transport systems, dispersion is a fiber property that causes light pulses to spread. Prisma dispersion compensation module 748799 cisco. For fiber optical high bit rate such as 10g or 40g bits longhaul transmission systems. Teraxion clearspectrumdcmx series dispersion compensation. The clearspectrumdcmx is an attractive alternative to dispersion compensating fiber dcf in costsensitive networks since its small footprint minimizes space. The undercompensation fiber having rds fluctuation can be compensated using the proposed dcm.
Analysis and simulation of dispersion compensation in. Dispersion compensation modules the trend in communications toward longer distances, higher bandwidths, and higher data rates has necessitated the use of dispersion slope compensation modules dscms also known as dispersion compensation module dcm. Dispersion compensation modules are use with standard single mode optical fiber g. By providing a negative dispersion, fiber with high positive dispersion can be fully compensated. The list of acronyms and abbreviations related to dcm dispersion compensation module. Temperature effects in optical fiber dispersion compensation modules by mikhail shenouda a thesis presented to the university of waterloo in fulfillment of the thesis requirement for the degree of master of science in physics waterloo, ontario, canada, 20 mikhail shenouda 20. The em316dcm dispersion compensation modules are part of the fiber driver dwdm solution. Each spool is provided in a respective package, which can be slidably inserted into or removed from the housing along a track provided within the housing. The patch cord dispersion compensation module dcmpc which is the industrys first, combines continuously chirped fbgs into a single patch cord, thereby eliminating the need for additional hardware to be deployed by service providers. The olson technology otdcmg series dispersion compensation module operates near 1550nm where ndsf dispersion has a typical value of 17psnmkm. A variety of optical dispersion compensation odc techniques have been implemented and many are. Dispersion compensation module for 100 gbits optical. For extremely long fiber transport distances of greater than 80 km, fiber optic dispersion compensation modules are often required.
Teraxion dcmxstandard dispersion compensation module. Dcm dispersion compensation modules provides fixed chromatic dispersion compensation for highspeed metro core, regional, and extendedhaul dwdm networks. Dispersion compensation modules dcm series the arris dcm series is a product family of dispersion compensation modules that increase the transmission distances of 1550 nm analog and digital signals. Cisco gs7000 4way segmentable node 1 ghz with 5570 mhz split data sheet pdf 968 kb 18jun2012. Chromatic dispersion compensation with negative dispersion fiber. Dispersion compensation modules dcm also called dispersion compensation unitsdcu can be used for chromatic dispersion compensation and system performance improvement in fiber optical transmission systems. The small form factor sff of the dispersion compensation modules enables extended dwdm transmission in a very small footprint. A wide variety of dispersion compensation module options are available to you, there are 99 suppliers who sells dispersion compensation module on, mainly located in asia.
The dcm modules are available with any dispersion values from 20km to 120km compensation distance, and can be used both for single channel and multi channels dwdm optical fiber communication systems. Fs dcm is a purely passive module that provides negative dispersion for dwdm transmission systems, increasing transmission range and decreasing ber of optical links. In digital transport systems, dispersion is a fiber property that causes light pulses to spread. Arriss dc4520 dispersion compensation module is designed to minimize such effects and provide. Mrv, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Dispersion compensation module fiber optic communication. Dispersion compensation module optilab dcms dispersion compensation modules are rackmountable spools of dispersion compensating fiber for dwdm networks. Modal dispersion, arising from geometrical properties of multimode fiber, are also considerably more severe at 10 gbs than at lower rates. Although dispersion is minimized, it is still present.
Cisco gs7000 4way segmentable node 1 ghz with 4052 mhz split data sheet pdf 942 kb 14jan2008. On the other hand, for values of c 0 with the same module. The clearspectrum dcml is a passive chromatic dispersion compensator with. Com also provides other dcm modules that allow long transmission distance extension. Gs7000 dispersion compensation module dcm 7023358 cisco. Mrv, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits.
Suggest writing superpon specs which allow multiple dispersion. The dcm is a totally passive device consisting of a spool of special fiber dispersion compensating fiber dcf that has high negative dispersion. Nowadays, there are various methods allowing for dispersion compensation in fiber optics, such as dispersion compensation module dcm, disperison compensation fiber dcf, typical bragg grating operation and chirped fiber bragg grating etc. A dispersionshifted fiber dsf is designed to have its zero dispersion wavelength in 1. The teraxion clearspectrumdcmx series dispersion compensation module is designed to offer a high compensation level while maintaining very low insertion loss in an ultra small package. Because of the insertion loss it is often necessary to use these modules with an erbium doped. We will use an ideal dispersion compensation fbg as the dispersion compensation module see figure 6. Dispersion slope compensation module dcm based on dispersion slope compensating fiber in module package, special for g.
This configuration provides higher chromatic dispersion compensation than an individual module can provide figure 4. Since dispersion is inevitable in optical fibers, dispersion compensating fibers, such as those sold on this page, can be incorporated into optical systems. Optical characteristics of scdcf module the modules for dispersion compensation of 80km and 120km dsf were fabricated using the fabricated. Figure 1 shows schematic diagram of chromatic dispersion compensation in optical transmission system.
Lambdadriver dispersion compensation module em8001600dcm and dcmd, em800dcm datasheet, em800dcm circuit, em800dcm data sheet. Several values of compensation are available that cover from 20 km to 100 km of smf28 optical fiber. Dispersion compensating fiber modules for dispersion. Dispersion management using dispersion compensating fiber with negative cd. In this case, a tunable compensation module may be necessary at the receiver. Em800dcmd datasheet, em800dcmd datasheets, em800dcmd pdf, em800dcmd circuit. Mrv lambdadriver dispersion compensation module em8001600dcm and dcmd,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Multichannel dispersion compensation module specifications ld400 dispersion compensation module ldp30 80km dcm 10 gbps 80km ld1600. No matter what your link dispersion looks like there is a solution with our continuous fbg dcms.
It provides a flexible solution to the problem of accumulated chromatic dispersion without having to drop and regenerate the wavelengths on the link, which would otherwise be necessary when. Dispersion in optical networks used for data transport, particularly over longer fiber distances, can adversely affect system. These are passive devices that are intended for signals in the 1550 nm range. Cisco gs7000 4way segmentable node 1 ghz with 6586 mhz split data sheet pdf.
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