Fibre

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Samsung Electronics' MiniLite fibre-optic cable is small-diameter (9.5mm for 72-fibre cable) and lightweight for metro area networks, offering easy installation (both pull and airblowing) and effective use of limited rights of way such as duct, sewer, and gas pipes.
www.samsungelectronics.com

Corning's InfiniCor SXi 50µm multimode fibre enables 10Gbit/s transmission with low-cost 850nm VCSELs to enable a cost-effective, high-bandwidth solution for high-density, short-reach parallel interconnect applications (up to 150m).

Designed to provide an upgrade path to bandwidth-intensive applications where data converges for routing, switching and storage.

  • Corning's PureMode Reduced Clad photonic fibres now include 80µm cladding diameter for high-index, erbium-doped, single-mode, and polarisation-maintaining fibres. Reducing the cladding diameter enables package size in next-generation couplers, compact optical modules, and small-form-factor EDFAs to be cut by 30–40%. Corning offers technical support for splicing to 125µm fibres.
  • Corning's PureMode HI 1060 Flex photonic fibre has been re-engineered for fused biconic taper component making and all C- and L-band bend-sensitive applications.
www.corning.com/cablesystems

Brugg Kabel's Lux fibre-optic loose-tube cables have been optimised for standard cabling environments in indoor, inner/outer and outdoor areas.

The non-metallic products can be supplied with corrugated steel tape. Lux cables offer the best usage of available installation space due to their small outer diameters.

The construction prevents unwanted kinking during installation.
www.brugg.com

Liekki's LF 2000 L-band Er-fibre reduces fibre length per amplifier from 50–120m to about 10m, minimising PMD, FWM and chromatic dispersion.

Efficiency is said to be a "record" 45% QCE, reducing required pump power and cost. It also reduces fibre costs and allows easier fibre management and assembly.

The short fibre length is due to Direct Nanoparticle Deposition manufacturing, which increases the maximum erbium concentration without pair-induced quenching or pump-exited absorption.
www.liekki.com

StockerYale's new bend-insensitive fibre is designed for improved bend performance in tight bend radius conditions, multiple fibre wraps on a mandrel, fused fibre couplers, and sensors.

The fibre uses a moderately higher numerical aperture than standard single-mode fibres, delivering lower bend loss at 1310 and 1550nm without significantly affecting splicing performance.

Available in a 125 or 80µm clad diameter.

  • StockerYale's Bow-tie is the first in a series of PM fibres for high-data-rate communications, laser pig-tailing, connectivity between source lasers and modulators, and polarisation-sensitive components.

Available at operating wavelengths of 1300 and 1550nm, cladding diameter is 80µm and coating diameter 165µm. Also, a high birefringence better maintains polarisation and low attenuation for greater flexibility in system designs. Reduced outer cladding diameters also improve coil turn density and reliability.
www.stockeryale.com

NORDX/CDT's FiberExpress 2000 laser-optimised 50/125µm multimode fibre cables can be installed in lengths of up to 300m for 10 Gigabit Ethernet applications (10Gbase-SR/SW), using low-cost multimode VCSELs at 850nm.

"The key element of this new technology is its cost-effectiveness, which dramatically reduces the implementation expenses of new 10Gbit/s applications for premises wiring, data centres, and the SAN market," says Richard Perron, FiberExpress's product line manager.
www.nordx.com

Nufern's PM980C-HP and PM14XX C-HP 980nm and 14XXnm polarisation-maintaining fibres for couplers, pump combiners and Raman gain modules have insertion loss up to an order of magnitude lower than components designed with standard PM fibre.

  • PS-PM980 is a photosensitive 980nm PM fibre with enhanced photosensitivity for grating fabrication, which significantly reduces grating writing time. It allows PM component manufacturers to make low-cost fibre-tails for grating-stabilised PM 980nm pumps. It provides low attenuation (3.0dB/km) and normalised cross-talk between axes (–25dB/100m and –40dB/2m). Beat length is 3.3mm at a wavelength of 980nm.
www.nufern.com

Pirelli has added to its blown fibre and cabling portfolio with the introduction of its mini-cable systems, which deliver 12–72 fibres per cable and provide unprecedented choice in metro and access network expansion.

The option of installing further mini-ducts and, within them, appropriate mini-cables to reflect changing business conditions, offers significant cost-savings and gives operators tremendous flexibility in planning their networks.

The most common applications involve small diameter ducts (typically 16, 12 or 10mm) deployed within an existing mains duct.

Richard Thomas, marketing director, Pirelli Telecom Cables and Systems says: "Our new mini-cable portfolio can also release hidden capacity in ducts that an operator previously considered fully occupied."

In a traditional 40mm diameter duct, an operator can choose to deploy up to seven mini-ducts. 24 fibre cables for example could then be simply added over any period of time. Operators can defer all but essential capital investment in the network, building directly according to need. They can increase fibre count in line with demand, installing empty tubes initially and paying for fibre as and when they require.

Pirelli's cables are also supported by its passive optical accessories for a complete end-to-end system.
www.pirelli.com

Joining LaserWave 300 and 150 10Gbit/s 850nm laser-optimised multimode fibres, OFS' LaserWave XL supports extended reach (600m with 0dB connection loss; 550m with four LC connections; 500m with four SC or ST connections) by imposing stringent differential mode delay requirements.

Large core diameter eases alignment tolerances, providing system cost savings of 20% for 550m links compared to single-mode, enabling long, low-cost building and campus backbones.

XL is the first fibre to support the ISO-11801 cabling standard's OF-500 channel length.
www.ofsoptics.com

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