A Hollow-Core Fiber Cable for Low Latency Transmission – when microseconds count

AccuCore HCF™ Optical Fiber Cable is the world’s first terrestrial hollow-core fiber (HCF) cable solution. Light travels about 50% faster in a hollow core optical fiber compared to the solid silica core of conventional fiber. Consequently, light transmitted in a hollow-core fiber arrives 1.54 microseconds faster for each kilometer traveled compared with conventional optical fiber.

The AccuCore HCF Optical Fiber Cable solution includes indoor/outdoor cable and termination with standard connectors, which are fusion-spliced to the patented photonic bandgap hollow-core fiber. OFS also offers installation services and both passive and active component selection to meet customer requirements.  AccuCore HCF optical fiber cable has been successfully deployed, carrying live traffic in several networks.

This latest development from OFS was presented as a postdeadline paper on March 12, 2020 at the Optical Fiber Communication Conference and Exhibition (OFC) held in San Diego.  OFC postdeadline papers represent the latest and most advanced technical achievements in the field. The paper reported error-free transmission of direct-detection 10 Gb/s DWDM signals over 3.1 km of cascaded cabled HCF. This is the first time that transmission results in a cabled HCF have been reported.  That white paper is available here.

 Contact OFS to learn more about AccuCore HCF fiber optic products.

Optical Fiber Building Solutions

FTTX Building Optimized Fiber Infrastructure

Optical fiber-to-the-business deployment is accelerating globally to support increasing internet speeds of up to 1 Gigabit per second, and 10 Gigabit speeds that are already available in some regions. Service providers are responding by installing optical fiber both to and deep inside buildings to the living unit.

The Solutions in this 64-page guide can help reduce both first and life cycle costs of optical fiber deployments to residential and business customers.

Solutions for both Greenfield installation during building construction and Brownfield installation in existing buildings are included. Scalable and optimized to fit a broad range of building structures, these solutions offer faster, reliable installation through innovative labor saving technologies, using less space than conventional approaches.

Solutions for both indoor and outdoor deployment offer flexibility to use the best available pathways for each building. The solution building blocks include a wide range of terminals, splitters, point-of-entry modules, riser cables, attic and wall fish fiber, hallway fiber and complete indoor living unit fiber kits. This portfolio allows service providers to select the best solution for each building, and OFS can help design building specific solutions and bills of material as a value added service.

>> DOWNLOAD OUR GUIDE NOW

FIBER TO THE BUILDING BENEFITS 

OFS fiber-to-the-subscriber (FTTx) solutions help to revolutionize the speed of installing fibers; enhance the customer experience; minimize disruption; reduce labor costs; increase subscriber take rates; enable faster time to revenue for service providers; and get Gigabit and higher speeds faster to subscribers.

OPTICAL FIBER BUILDING CHALLENGES AND SOLUTIONS 

  • Time to revenue: Fast and easy to install pre-terminated solutions can speed installation and reduce labor costs.
  • No pathways, requiring labor intensive cut and patch: Compact surface mounted fiber solutions.
  • Limited closet space: Smaller enclosures can enable installation of multiple operator connections in a small telecommunications closet.
  • Multiple boxes for splicing and splitter connections: Single box pre-terminated solutions can require less space and enable faster provisioning.
  • No duct space: Compact surface mounted fiber solutions either inside or on the outside of the building do not require duct.
  • Shared infrastructure: Compact cables can support multiple service providers in telecommunication pathways.
  • Fiber bends around many corners: Bend-insensitive fiber specified to support bend radius as low as 2.5 mm.
  • Disruptive/noisy to tenants: Optical solutions that are virtually invisible can be installed quickly and quietly and preserve the building decor.
  • Service disruptions and lost subscribers: Full solution of fiber, cable and connectors from one company, designed to work together. Factory tested to Tier 1 standards.
  • Multiple building types: Solutions to fit each building type.

PRE-TERMINATED vs. FIELD TERMINATED OPTICAL FIBER

Pre-terminated solutions are increasingly used to install fiber in Multiple Dwelling Unit (MDU) buildings to save time and money in higher labor cost regions. Pre-terminated products with built-in slack management are preferred so installers can neatly manage excess slack and use a single component to support multiple deployment lengths. Nevertheless, field terminated solutions can complement pre-terminated parts of the indoor or outdoor network and, for low labor cost markets, field terminated solutions may be preferred. OFS offers both pre-terminated and field terminated solutions to fit the needs of each service provider.

OPTICAL FIBER SPECIFICATIONS OPTIMIZED TO THE APPLICATION

Installing optical fiber in buildings and homes often requires conforming the fiber around sharp corners. EZ- Bend® Single-Mode Fiber offers outstanding bend performance down to a 2.5 mm radius for the most challenging in-residence and MDU applications. Compatible with the installed base of conventional G.652.D single-mode fibers, the fiber meets and exceeds ITU-T G.657.B3 recommendations. EZ-Bend fiber uses patented, groundbreaking EZ-Bend Optical Technology from OFS to provide three times lower loss at tight bends than competing G.657.B3 products.

Centralized, Distributed and Distributed Cascaded Splitting

As FTTx deployment accelerates globally to meet increasing bandwidth needs, service providers must install optical fiber both to and inside the building for business and residential subscribers. Building types include duplexes, garden style, low rise (less than 10 floors), mid rise (10 to 15 floors), high rise (16 to 40 floors) and skyscrapers (40 floors and above). To provide building Gigabit services, providers must place optical cables in building risers and ducts, install optical fiber in hallways, and then take this fiber deep into the units, connecting to an indoor Optical Network Terminal (ONT). How can providers accomplish this in buildings that can vary widely in design, materials and available pathways?

Splitter Architectures

Cascaded SplitterA typical PON network consists of the Optical Line Terminal (OLT) in a central office, head end or cabinet, connected by a feeder cable to optical splitters, and then to distribution cables downstream in the network. Choosing the right architecture depends upon end-user density, projected subscription rates and distance from the OLT. Splitter placement is important in FTTx design as it can significantly affect plant and electronics costs.

Three common types of splitter architectures are used when deploying FTTx:

  • Centralized splitting
  • Distributed splitting
  • Distributed cascaded splitting

To help meet these needs, the OFS portfolio supports all three splitter architectures, and features a broad range of solutions to meet the requirements of virtually any MDU deployment. For flexibility and regional preferences, these offers include a mix of pre-connectorized, in-field fusion splicing and mechanical connector solutions from which OFS can configure customized designs for each type of building.

Brownfield Outdoor Facade Solution

The Outdoor Facade Solution is used when property owners want to preserve the decor of the building exterior. The compact EZ-Bend Indoor/Outdoor cable is placed vertically on the exterior wall of the residence from an outdoor wall mount box to an indoor SlimBox® unit. The indoor SlimBox can be factory configured with SCA adapters or fanouts for a pre-terminated solution, or for fusion splicing. EZ-Bend jumpers are used for the path to each living unit. Pre-terminated EZ-Bend Jumpers are recommended for faster installation, or a mechanical connector may be used for field termination in the SlimBox Wall Plate. The 80×80 InvisiLight® Module can be used as a “fiber extension” to any location in the living unit. Alternatively, instead of EZ-Bend jumpers, the InvisiLight MDU solution may be placed in the hallway to the living units (not shown).

Brownfield Outdoor Facade Solution

Brownfield Outdoor Facade Solution

Greenfield Pre-Terminated Solution

TELECOMMUNICATION ROOM

  • Compact basement box for a progressive customer activation;
  • The basement box (SlimBox 64F Terminal) allows fusion splices for the outside plant cable;
  • Ideal for buildings with low penetration rates: One splitter can be installed and the management of the customers is done through the SCA ports. A parking area permits easy connection of new customers;
  • Several boxes can be connected for modular expansion. Connections between multiple SlimBoxes are possible through access openings between them.

RISER BACKBONE

  • SCA pre-terminated cables for quick plug and play installation;
  • EZ-Bend patch cords directly from the apartment unit may be used for small buildings.

HORIZONTAL DEPLOYMENT

  • Direct deployment from the telecommunication closet to the apartment unit;
  • Ideal for Greenfield installation;
  • The EZ-Bend jumper is connected to an adapter installed in the SlimBox Wall Plate (inside the living unit).

INSIDE THE LIVING UNIT

  • An SCA mechanical connector can be used to terminate the EZ-Bend Jumper inside the living unit;
  • The InvisiLight ILU Solution is a complementary product used to extend the fiber inside the apartment.

>> DOWNLOAD OUR GUIDE NOW

Greenfield Fusion Spliced or Field Terminated Solution

TELECOMMUNICATION ROOM

  • Compact basement box for a progressive customer activation (parking up to 48 connectors in the SlimBox 64F Terminal);
  • The basement box (SlimBox 64F Terminal) allows fusion splices for the outside plant cable and the internal cables (up to 96 fusion splices – 8 splice trays with 12 splices in each one);
  • Ideal for buildings with low penetration rate: One splitter can be installed with management of the customers done through the SCA ports. A parking area permits easy connection of new customers;
  • Several boxes can be connected for modular expansion. Connections between SlimBoxes are possible through access openings between them.

RISER BACKBONE

  • ACCUMAX® cables may be used for quick and easy installation:
  • SCA pre-terminated pigtails are used for fusion splicing inside the basement and floor boxes.

HORIZONTAL DEPLOYMENT

  • Direct deployment from the telecommunication closet to the apartment unit through EZ-Bend cable (ruggedized 3.0 or 4.8 mm);
  • The horizontal cable is fusion spliced or field terminated with a mechanical connector in the SlimBox 12F Terminal (floor distribution box) and in the SlimBox Wall Plate (inside the living unit).

INSIDE THE LIVING UNIT

  • An SCA mechanical connector can be used to terminate the EZ-Bend Jumper inside the living unit or a pre-terminated pigtail can be used;
  • The InvisiLight ILU Solution is a complementary product used to extend the fiber inside the apartment.

>> DOWNLOAD OUR GUIDE NOW

Brownfield Pre-Terminated Solution

Brownfield Pre-Terminated Solution

Brownfield Pre-Terminated Solution

TELECOMMUNICATION ROOM

  • Compact basement box for progressive customer activation;
  • The basement box (SlimBox™ 64F Terminal) allows fusion splices to the outside plant cable;
  • Ideal for buildings with low penetration rate: One splitter can be installed with management of the customers done through the SCA ports. A parking area permits easy connection of new customers;
  • Boxes can be added for modular expansion. Connections between SlimBox units are easily made using jumpers through multiple ports designed into the box.

RISER BACKBONE

  • SCA pre-terminated cables for quick plug and play installation:
  • It is possible to place InvisiLight 2.0 mm 12-Fiber multifiber cord directly from the basement box and down hallways in small or garden style buildings.

HORIZONTAL DEPLOYMENT

  • The InvisiLight MDU Point of Entry (POE) Module offers a discrete solution using field termination inside the module;
  • Virtually invisible installation using the InvisiLight 12F Pre-terminated 2.0 mm cord.

INSIDE THE LIVING UNIT

  • InvisiLight ILU Solution is complementary and connects to the InvisiLight MDU installation;
  • InvisiLight ILU Solution is installed with the same tools and procedures as the InvisiLight MDU Solution

This 64-page guide with illustrations and part specifications will help in  selecting the right fiber optic cables and accessories to reduce both the first and life cycle costs of fiber deployments to business customers inside buildings.

>> DOWNLOAD OUR GUIDE NOW

Now You See Optical Fiber — Now You Don’t

How do you make a great fiber optic solution even better? One way is to make the optical fiber less visible while also faster and easier to install.

The new InvisiLight® Indoor Living Unit (ILU) 600 Solution from OFS is setting a new benchmark for low-profile visibility. This new solution offers fast and virtually undetectable, indoor optical fiber installation for homes, offices, and multiple living units (MDUs).

To provide Wi-Fi coverage, Fiber-to-the-Home (FTTH) and Fiber-to-the-Business (FTTB) service providers often install compact Optical Network Terminals (ONTs) deep into subscriber homes and offices. This equipment can clash with the existing décor, upsetting customers, and also create deployment issues for installers. In fact, some customers actually cancel service orders when they realize that unsightly, conventional fiber optic cables or tapes will be installed in their homes. On top of this, tight spaces, corners, architectural features, and other factors can create barriers to indoor optical fiber deployments. Fortunately, the portfolio of InvisiLight Optical Solutions was specifically designed to help meet these challenges.

Launched in 2012, the original, award-winning InvisiLight ILU Solution offers installers an innovative and simple method for indoor optical fiber installation. The process involves adhering a 0.9 mm diameter optical fiber into either crevices along ceilings and walls or moldings and walls. The result is a protected optical fiber link that is virtually invisible.

While the InvisiLight 600 ILU Solution features an even smaller 0.6 mm optical fiber, it uses the same easy installation process and tools as the original InvisiLight Solution. And, with less than half the volume and weight, the InvisiLight 80×80 Module’s storage capacity is more than doubled from 10 to 25 meters (83 feet).

All InvisiLight products, including the ILU 600 Solution, feature leading-edge OFS EZ-Bend® Optical Fiber. This fiber’s 2.5 mm minimum bend radius easily handles the sharp corners often encountered when installers conform optical fiber to a building.

In fact, in a recent field trial in Europe, an InvisiLight Solution received excellent feedback, including:

We’re a big fan of EZ-Bend. I am amazed at some of the runs we have used it on with no apparent losses

(extreme bends, harsh pulls etc.).” – UK Service Provider

 

This is the best indoor solution we have seen. Adhesive and cable are very easy to work with. Cannot

believe the low loss measured. The end customer is impressed.” –  Large Ireland Network Services

Company and Ireland Service Provider

Rollable Ribbon Fiber Optic Cable Keeps on Rolling

Searching for a highly-dense fiber optic cable solution with a familiar, cost-effective central core design? Then look no further than the AccuRoll™ Dry Core (DC) Rollable Ribbon (RR) Fiber Optic Cable.

The newest member of the OFS outside plant (OSP) rollable ribbon fiber optic cable line, the AccuRoll DC RR Cable offers twice the fiber density of comparable, standard flat ribbon cables in a smaller and lighter-weight cable. And, this cable is the first and only central core rollable ribbon design that features familiar linear strength elements and a protective central core tube. This core tube delivers enhanced safety for the rollable ribbons beyond that offered by other flexible ribbon cables.

What Are Rollable Ribbons?                                                                                                                                                               The AccuRoll DC RR Cable features rollable ribbons, the most exciting technology breakthrough in OSP cabling in years. This technology literally doubles the density of a fiber optic cable while reducing that same cable’s size and weight.

Rollable ribbons are formed by partially bonding individual 250 micron optical fibers to each other at predetermined points. These flexible ribbons can be rolled into very tight bundles for twice the density. Inside the fiber optic cable, rollable ribbons behave much like traditional ribbons, allowing highly efficient splicing using traditional flat ribbon splicing machines and procedures. The rollable ribbons can also be easily broken out into single or multiple fibers and routed.

Why the AccuRoll DC RR Cable?                                                                                                                                                             As fiber counts rise, but duct space and cable storage remain at a premium, smaller, lighter weight, and more flexible rollable ribbon cables are an excellent alternative to traditional flat ribbon cable technologies.

Available with 144 to 432 fibers in both metallic and dielectric designs, there’s an AccuRoll DC RR Cable to meet the needs of your application. These fiber optic cables are an excellent choice for connecting data centers or in underground, direct buried, and lashed aerial deployments.

Think about it: doubling your network’s fiber density means doubling your transmission capacity, doubling your capability, and doubling your ability to get the job done.

“EZ-Terminate It” with the FITEL® EZ-Terminator® Tool

Searching for an innovative fiber optic termination tool or kit? Then look no further: the FITEL EZ-Terminator tool is here.

The newest member of the FITEL Connectivity Solutions portfolio, the EZ-Terminator connector termination tool uses a simple, one-step operation and user-friendly interface to achieve the highest-quality terminations, quickly and under the most demanding conditions.

This handheld connector termination tool combines portability with a ruggedized body to provide the maximum accessibility and powerful performance needed for use in Multiple Dwelling Unit (MDU) and Single-Family Unit (SFU) installations. In addition, the EZ-Terminator tool’s industry-first, patented, removable V-groove allows easy cleaning and optical maintenance.

The EZ-Terminator connector termination tool is designed for use with Splice On Connector (SOC) solutions, and is essential for any termination project.  This tool’s features and benefits include:

  • User-Friendly Design – The wide operation chamber offers easy optical fiber loading and connector assembly;
  • Simple Operation – The design allows one-touch operation and pre-installed programs for error-free SOC fiber termination projects;
  • Excellent Visibility – Three LED lights illuminate the entire operating chamber with more than 300 Lux. This intense bright light is critical to performing connector terminations in low-light environments.
  • Industry-First, Patented, Removable V-Groove – The industry’s only removable V-groove makes cleaning and optimal maintenance easy to achieve in only minutes and with no tools. This capability reduces downtime and supports optical performance.

Combined with a variety of EZ!Fuse™ SOC Components, the EZ-Terminator connector termination tool helps to save both time and money by delivering optical loss performance and yields that substantially surpass those of currently-available mechanical connectors. And, on top of this, the large battery capacity can achieve 100 termination/heating cycles on a single charge, providing installers with portability without sacrificing performance.

The EZ-Terminator connector termination tool’s simple, error-free operation and powerful, consistent performance make it a must-have for any fiber termination project where the highest-quality, repeatable results are critical.

And don’t forget to check out our termination tool kits

When Optical Fiber Arrives

Using optical fiber networks, people can access and share information at an amazing level. They can communicate, work and learn from virtually anywhere there’s an Internet connection. For people in rural communities that lack wireless or broadband services, their ability to obtain information is clearly unequal. Even getting a signal for a cellphone or laptop can mean driving miles to a more populated area. Life is much easier with an available high-speed optical fiber network.

 

Leveling the Playing Field

Implementing optical fiber helps to “level the playing field” by providing more equal access to information and opportunities for rural residents. In reality, optical fiber and wireless services can transform rural communities.

 

When optical fiber arrives, one obvious plus is being able to access a cell signal from home. That wireless service requires optical fiber, which acts as the nervous system of a network. Fiber to the Tower and Fiber to the Building lay the actual groundwork for wireless communications including LTE and 4G, and soon to come 5G. The benefits of this connectivity can be seen in three distinct areas as follows.

 

Rural Healthcare

Digital revolution through high-speed optical fiber Internet helps medical facilities provide better treatment for patients in rural areas in a number of ways, including:

  • Physicians can search files, consult with specialists and use remote diagnostics and alternative healthcare delivery methods;
  • Healthcare professionals may use connected devices to directly monitor and care for patients;
  • Patients practice “self-care” by accessing health-related information on the Internet.

Education

Teachers need optical fiber connectivity for video lectures and e-learning that can be widely shared. Students also need access to home Internet to complete homework and expand their learning. Colleges and universities require high-speed optical fiber Internet access to stay competitive and ensure their degree programs stay relevant.

 

Growth in Rural Communities

With 25% of rural residents lacking Internet access, fiber optic infrastructure build-outs are still needed. More people move into rural areas when they can maintain their standard of living. When optical fiber connectivity is optimal, existing or new businesses can reach and attract highly-qualified employees no matter where they live.

 

In rural areas where high-speed Internet is available, even small businesses and farms can benefit. The Internet of Things (IoT), another product of this digital revolution, makes Smart Farming possible. By applying sensing technologies through Smart Farming, farmers can practice more precise and scientific agriculture that results in increasingly bountiful, high-quality harvests.

The Incredible Shrinking, Double-Density Fiber Optic Cable

As everyone uses more bandwidth than ever before, today’s networks require more optical fiber in less space. To help address this need, OFS introduced Fortex™ 2DT Fiber Optic Cable, the newest addition to the completely gel-free Fortex DT Cable product line.

 

Fiber Optic Cable: Getting Smaller and More Dense

Fortex 2DT Cable is the industry’s first fully Telcordia GR-20-rated, totally gel-free, loose tube fiber optic cable to feature 200 micron (µm) optical fiber. This fiber literally doubles the fiber count in the cable buffer tubes, significantly increasing fiber density. And, by using AllWave®+ 200 Micron ZWP Single-Mode Fiber, this fiber optic cable also offers more efficient use of network pathways.

 

Just as importantly, the Fortex 2DT Cable design reduces cable outer diameters by up to 18% and areas by up to 32%. This smaller outer cable diameter increases the efficient use of duct and subducts. Plus, cables with reduced outer diameters allow longer continuous cable reel lengths, which can result in fewer splices needed. In a deployment over long distances, less splicing can help create substantial cost savings.

 

Lighter is Better

The Fortex 2DT Cable is also lighter in weight. This lower weight can help to reduce cable pulling tensions which can increase cable pulling lengths. These increased pulling lengths can, in turn, help to save on installation time and costs. For aerial deployments, a lighter-weight cable can also decrease the loads on poles.

 

A Fiber Optic Cable Design for Your Application

The Fortex 2DT Cable product line features single jacket, light armor and armored cable options. These cables are available with up to 288 fibers in Telcordia GR-20 Issue 4 compliant cable designs. While the single jacket cable is an excellent choice for duct, lashed aerial and general outside plant (OSP) installations, the light armor and armored cables feature a layer of rugged electrolytically chrome-coated steel (ECCS) armor. The armored cable also includes an inner polyethylene (PE) jacket. With these added features, the light armor and armored cables offer extra durable crush resistance for more demanding OSP applications, including direct buried in challenging environments.

 

>> View our complete line of Fiber Optic Cable

 

Choosing the “Right” Optical Fiber – Single-Mode or Multimode?

A huge increase in digital devices, cloud computing and web services have helped fuel the tremendous demand for increased bandwidth while also pushing datacom rates to 100G and beyond. With these faster speeds and greater use, system designers might assume that single-mode optical fiber holds a growing advantage over multimode optical fiber for premises applications. However, it’s critical to remember that increased Ethernet speeds don’t necessarily mean that single-mode fiber is the best choice.

While it’s true that single-mode fiber holds bandwidth and reach advantages, especially for longer distances, multimode fiber easily supports most distances needed by data center and enterprise networks, and at a significant cost savings over single-mode fiber.

What’s the Difference?

These two optical fiber types were primarily named for the different ways that they transmit light. Single-Mode optical fibers have a small core size (less than 10 microns) and allow only one mode or ray of light to be transmitted. These fibers were mainly designed for networks that involve medium to long distances, such as metro, access and long-haul networks.

On the other hand, multimode fibers have larger cores that work to guide many modes at the same time. These larger cores make it much easier to capture light from a transceiver, helping to control source costs.


View our Single Mode vs. Multimode Fiber Guide

WHICH Multimode Fiber?

Today, network designers and end users can choose from OM3, OM4 or OM5 grades of 50 micron multimode fibers. At one time in the 1980s, as data rates increased, 62.5 micron fiber was introduced because it allowed for longer reach to support campus applications. However, with the advent of gigabit speeds, users moved back to 50 micron fiber with its inherently higher bandwidth. Now 50 micron laser-optimized multimode OM3, OM4 and OM5 fibers offer major bandwidth and reach advantages for short-reach applications along with low system costs.

The Future

Industry standards groups such as IEEE (Ethernet), TIA, ISO/IEC and others continue to recognize multimode optical fiber as the short-reach solution for next-generation speeds. In fact, TIA issued a new standard for the next generation of multimode fiber called wide band (OM5) multimode fiber. This new version of 50 micron fiber can transmit multiple wavelengths using Short Wavelength Division Multiplexing (SWDM) technology, while maintaining OM4 backward compatibility. This capability lets end users gain greater bandwidth and higher speeds from a single fiber by simply adding wavelengths. The OFS version of this fiber is LaserWave® WideBand (OM5) Optical Fiber.

In Short…

Generally, 50 micron optical fiber continues to be the most cost-effective choice for enterprise and data center use up to the 500-600 meter range. Beyond that distance, single-mode optical fiber is necessary.

The OFS LaserWave FLEX Multimode Optical Fiber family offers full performance range and has better optical and geometric specifications than standards require. However, if the network’s transmission distance requires the use of single-mode optical fiber, consider bend-insensitive, zero water peak (ZWP) full-spectrum fibers such as the OFS family of AllWave® Optical Fibers.

Breaking the Transatlantic Record

Making an overseas phone call? Using cloud computing? If so, there’s a 99 percent chance your call or message is being carried by an undersea fiber optic cable.

 

Now, new research with lasers may let service providers “push” even more data through these cables to help meet the booming demand for transmission between North America and Europe. In fact, this new method could even increase network capacity without requiring new ocean cables, which can cost hundreds of millions of dollars to manufacture and install.

 

Setting A New Standard

A research team from Infinera has set a new efficiency standard for transatlantic fiber optic cables. Testing 16QAM modulation – a new approach to transmitting light signals — the group not only shattered efficiency records for data transfer. They nearly doubled data capacity and approached the assumed upper limit for this type of transmission.

 

The team managed to extend record-setting capacity across the Atlantic Ocean  using the MAREA transatlantic cable. This cable spans approximately 4,104 miles (6,605 kilometers) from Virginia Beach, Virginia, to Bilbao, Spain. Partially funded by Facebook and Microsoft, MAREA now holds the record for the highest-capacity cable crossing the Atlantic Ocean.

 

Skyrocketing Demand

The need for new and better optical fiber and fiber optic cables has constantly grown since the first undersea trans-Atlantic cable was installed back in 1858.  Because of the move to cloud-based computing, that demand has skyrocketed over the past decade.

 

It’s important to note that while this was the first time that PM-16QAM signals were sent over this distance, the team combined equipment readily available to the industry with high-speed lasers to make the transmission. The team generated signal speeds reaching 26.2 terabits per second, a 20 percent increase over what cable developers believed was possible.

 

Even More Good News

This experiment delivered results much the same as next-generation chip sets from other vendors that use a different technique called probabilistic constellation shaping (PCS). According to the research team, the good news for service providers is that the new technique can be combined with PCS for even faster speeds in the future.

 

The group presented their research results at OFC 2019 in San Diego.

Celebrating Women and Girls in Science

Today the United Nations, its partners and women and girls around the world are marking the International Day of Women and Girls in Science.

 

Recent studies suggest that 65 per cent of children entering primary school today will have jobs that do not yet exist. While more girls are attending school than ever before, girls are significantly underrepresented in Science, Technology, Engineering and Math (STEM) subjects in many settings. They also appear to lose interest in STEM subjects as they reach adolescence. In addition, less than 30 percent of researchers worldwide are women.

 

As a step forward in reversing these trends, the April 2018 National Math and Science Initiative’s “Yes, She Did” campaign honored female STEM inventors. During the campaign, teachers, students, grandmothers and education enthusiasts voted fiber optic cable as the most impactful woman-influenced innovation.

 

One of the women highlighted in the campaign is Shirley Jackson, the first African-American woman to earn a doctorate from the Massachusetts Institute of Technology (MIT) and the first African-American woman to be awarded the National Medal of Science. She is credited with scientific research that enabled the invention of such things as the portable fax, touch-tone telephone, solar cells and fiber optic cable.

 

“It’s madness that women aren’t always recognized for their STEM contributions,” the National Math and Science Initiative (NMSI) wrote in introducing its social media audiences to the women behind eight highly impactful innovations. In addition to fiber optic cable, NMSI highlighted the women behind the circular saw, Laserphaco probe, dishwasher, Kevlar® Fiber, modern home security system, computer programming and NASA’s space bumper.

 

“Fiber optic cable shrunk the global marketplace and now everything’s connected real-time to be faster, better, stronger,” said NMSI Chief Information Officer Rick Doucette.

 

On this International Day of Women and Girls in Science, let’s change the trends on women in science and technology. Join us in celebrating women and girls who are leading innovation and call for actions to remove all barriers that hold them back.