• The first primary takeaway is that optical wireless communication is a complementary, rather than a replacement, technology for RF systems. The future of networking lies in “hybrid” architectures where Wi-Fi/5G and LiFi work together to provide the best possible user experience. By offloading data-heavy tasks to the optical layer, we can free up the RF spectrum for mobile applications that require superior wall-penetration and non-line-of-sight connectivity. This intelligent spectrum management is the key to maintaining network connectivity in an increasingly crowded digital world.
• The second key point is the importance of “visibility” and alignment in optical systems. Because OWC relies on light, it requires a clear path between the transmitter and the receiver. While this was once a major limitation, modern innovations in “non-line-of-sight” (NLOS) optical communication which uses reflected light to carry data are expanding the possibilities for this technology. As our ability to manipulate light becomes more sophisticated, the reach and reliability of optical wireless communication will only continue to grow, making it a staple of modern telecom infrastructure.

The world’s appetite for wireless data is reaching a critical threshold. As we crowd our urban centers with 5G devices, smart sensors, and autonomous systems, the traditional radio frequency (RF) spectrum the invisible highway for Wi-Fi and mobile signals is becoming dangerously congested. This “spectrum crunch” threatens to slow down the pace of digital innovation and limit the reliability of our network connectivity. To solve this challenge, the telecommunications industry is looking upward to a different part of the electromagnetic spectrum: light. Optical wireless communication (OWC) is emerging as a powerful, high-speed alternative that uses infrared, visible, or ultraviolet light to transmit data through the air, effectively expanding network reach and overcoming the limitations of legacy RF systems.

The Rise of LiFi and Indoor Optical Connectivity

One of the most recognizable forms of optical wireless communication is LiFi (Light Fidelity). While Wi-Fi uses radio waves to carry data, LiFi uses the light from standard LED fixtures to transmit information at incredibly high speeds. By modulating the intensity of the light much faster than the human eye can see LiFi can deliver multi-gigabit connectivity directly to smartphones, laptops, and IoT devices. This technology is particularly effective in dense environments like offices, hospitals, and airplanes, where RF signals often suffer from interference or are restricted for safety reasons.

The benefits of LiFi extend beyond just speed. Because light does not pass through walls, an optical wireless communication network is inherently more secure than a radio-based one. A hacker sitting outside a building can potentially intercept a Wi-Fi signal, but they cannot “see” the data being transmitted via the lights inside. This physical confinement makes LiFi an ideal solution for government facilities, financial institutions, and R&D labs where data privacy is paramount. Furthermore, because it does not interfere with sensitive medical or aviation equipment, LiFi can provide reliable network connectivity in areas where traditional wireless systems are forbidden.

Expanding Network Reach via Free-Space Optics

While LiFi handles indoor connectivity, another form of optical wireless communication Free-Space Optics (FSO) is transforming outdoor networking. FSO uses low-power laser beams to transmit data between two points with a direct line of sight. This technology can bridge distances ranging from a few hundred meters to several kilometers, providing a high-speed “virtual fiber” link without the need to dig trenches or lay physical cables. For telecom operators, FSO is a game-changer for expanding network reach in difficult urban terrains or providing temporary high-capacity backhaul for major events.

FSO is also playing a critical role in the “last mile” connectivity challenge. In many historical cities or remote areas, the cost of installing fiber optic cable is prohibitively high. Optical wireless communication provides a cost-effective alternative that can be deployed in a matter of hours. By mounting FSO terminals on rooftops or cell towers, providers can deliver gigabit speeds to communities that were previously underserved. Moreover, the latest generation of FSO equipment includes advanced tracking and compensation systems that allow the lasers to maintain a stable connection even during heavy winds or minor building sway, ensuring high speed data transfer regardless of the environmental conditions.

Telecom Innovation and the Spectrum Revolution

The shift toward optical wireless communication represents one of the most significant pieces of telecom innovation in recent years. By tapping into the optical spectrum, which is thousands of times wider than the entire RF spectrum, we are effectively opening a new frontier for data transmission. This abundance of “spectral real estate” means that OWC systems can support massive bandwidth without the need for the complex frequency licensing and regulation that governs radio waves. This deregulated environment encourages faster deployment and lower costs for service providers and end-users alike.

Furthermore, OWC is a key component of the “Space-Air-Ground” integrated networks envisioned for 6G. High-speed laser links are already being used for inter-satellite communication, and the same technology is being adapted for ground-to-satellite and ground-to-drone links. This multi-layered approach to network connectivity ensures that high speed data can be delivered anywhere on the planet, from a high-altitude aircraft to a remote research station in the Arctic. The flexibility of optical wireless systems makes them an essential tool for creating a truly ubiquitous and resilient global digital infrastructure.

Overcoming Environmental Challenges in Optical Links

Historically, the biggest criticism of optical wireless communication, particularly FSO, has been its susceptibility to weather conditions like heavy fog, rain, or snow. Water droplets in the air can scatter the laser beam, leading to signal loss. However, recent breakthroughs in telecom innovation have largely mitigated these issues. Modern systems use “spatial diversity” multiple lasers and receivers to ensure that if one path is blocked by a fog bank, the signal can still get through. Additionally, the use of different wavelengths of light, such as infrared, provides better penetration through atmospheric particulates.

Intelligent power control is another way that OWC systems maintain high speed data transfer in adverse weather. By monitoring the signal-to-noise ratio in real-time, the system can automatically increase the laser power or adjust the modulation format to maintain the connection. When combined with traditional RF backup links, these “auto-scaling” optical systems can achieve carrier-grade availability (99.999%), making them a reliable choice for critical infrastructure and enterprise connectivity. The resilience of today’s optical wireless solutions is a testament to the rapid pace of development in this field.

Conclusion: A New Era of Wireless Connectivity

The expansion of network reach through optical wireless communication marks a turning point in the history of telecommunications. We are no longer bound by the limits of the radio spectrum or the physical constraints of copper and glass cables. By harnessing the power of light, we are creating a more secure, faster, and more flexible way to connect the world.

As we look toward a future defined by 6G, the Internet of Things, and the “Metaverse,” the role of OWC will only become more prominent. From the LED bulbs in our ceilings to the laser terminals on our rooftops, light-based communication is lighting the way to a new era of digital possibility. By investing in this technology today, we are ensuring that our global networks have the capacity and reach needed to support the next generation of human innovation, providing a seamless and high-speed connection for every person and every device, everywhere.

• The first primary takeaway is that we are moving away from a “one-size-fits-all” approach to optical fiber. Different applications will demand different types of next gen fiber optics. While data centers might prioritize silicon photonics and short-reach multi-mode fibers, long-haul and subsea operators will lean toward multi-core and ultra-low-loss fibers. This specialization ensures that each part of the global telecom network is optimized for its specific role, balancing cost, capacity, and performance.
• The second key point is the increasing importance of “non-silica” materials and complex glass structures. Whether it is hollow core designs or fibers doped with exotic elements to broaden the usable spectrum (the L-band and S-band), the focus is on expanding the usable “real estate” within the light spectrum. This expansion is essential to stay ahead of the “Shannon Limit” the theoretical maximum amount of data that can be transmitted over a single channel. By innovating at the material level, we are pushing that limit further into the future.

For decades, the standard single-mode optical fiber has been the workhorse of the digital age, silently carrying the vast majority of the world’s internet traffic. However, as we enter an era defined by artificial intelligence, high-definition streaming, and the massive data requirements of cloud computing, the physical limits of traditional glass are being reached. This has sparked a global race to develop next gen fiber optics—technologies that move beyond the constraints of standard silica cores to provide exponential leaps in data transmission speed and efficiency. The evolution of our digital society depends on our ability to transmit more information, faster than ever before, through the thin strands of glass that connect our continents.

Breaking the Speed of Light Barrier with Hollow Core Fiber

One of the most exciting breakthroughs in the field of next gen fiber optics is the development of Hollow Core Fiber (HCF). In a standard optical fiber, light travels through a solid core of silica glass. While glass is incredibly transparent, it is still a physical medium that slows down light by approximately 31% compared to its speed in a vacuum. Hollow core fibers, as the name suggests, guide light through an air-filled or vacuum-filled center using complex microstructures. This allows light to travel at nearly the full speed of light in a vacuum, significantly reducing latency and increasing the potential for ultra-fast data transmission.

The implications of HCF are profound, particularly for time-sensitive applications like high-frequency trading, where every nanosecond counts. Beyond just speed, hollow core fibers exhibit lower “non-linear” effects. In solid glass, high-power light signals can interact with the material itself, causing distortion and limiting the amount of power that can be sent through the cable. By removing the solid glass core, HCF allows for higher power levels and clearer signals over longer distances. While manufacturing these complex structures at scale remains a challenge, the potential for HCF to redefine the limits of optical communication is undeniable.

Space Division Multiplexing and Multi-Core Innovation

As the demand for bandwidth expansion continues to skyrocket, researchers are looking for ways to pack more data into a single fiber strand. Traditional fibers carry a single “mode” of light, effectively acting as a one-lane highway. Next gen fiber optics are embracing Space Division Multiplexing (SDM) to create multi-lane digital superhighways. This is achieved through the development of multi-core fibers (MCF) and few-mode fibers. A multi-core fiber contains several independent glass cores within a single cladding, allowing multiple data streams to travel in parallel without interfering with each other.

Imagine a single fiber cable that can carry seven, twelve, or even nineteen times the data of a standard cable without significantly increasing its physical size. This innovation is critical for subsea cables and long-haul telecom networks where the cost of laying new cables is astronomical. By maximizing the capacity of each individual strand, MCF technology provides a sustainable path for bandwidth growth. Furthermore, few-mode fibers use a slightly larger core to allow a few distinct patterns of light to travel simultaneously. When combined with sophisticated digital signal processing, these techniques allow for a massive increase in the aggregate data transmission speed across global networks.

The Role of Advanced Photonics Technology

The physical fiber is only one part of the equation; the equipment that sends and receives the light the photonics technology must also evolve. Next-generation transceivers are utilizing silicon photonics to integrate complex optical functions onto a single chip. This miniaturization allows for higher port density in data centers and lower power consumption. By combining the processing power of traditional electronics with the speed of light-based communication, silicon photonics is bridging the gap between computing and networking.

Advanced modulation formats are another key component of photonics innovation. Instead of simply turning a laser on and off (like Morse code), modern systems use “coherent” technology to manipulate the phase and polarization of light. This allows for many bits of information to be encoded into a single pulse of light. When coupled with next gen fiber optics, these advanced modulation techniques enable transmission speeds of 800Gbps, 1.2Tbps, and beyond. This synergy between the physical medium and the optoelectronic hardware is what makes the current era of optical communication so transformative.

Global Impact on Telecom Networks and Connectivity

The deployment of next gen fiber optics has far-reaching consequences for global connectivity. In developing regions, high-capacity long-haul fibers can bring affordable high-speed internet to millions, bridging the digital divide. In developed urban areas, these fibers support the backbone of 5G and future 6G networks, enabling the “Internet of Things” to flourish. The efficiency gains provided by new fiber technologies also contribute to a smaller carbon footprint for the telecommunications industry, as more data can be moved with less energy-intensive amplification and regeneration.

Furthermore, the resilience of these next-generation networks is significantly improved. Multi-core fibers, for example, can offer inherent redundancy; if one core is damaged, traffic can be rerouted through others within the same strand. This reliability is vital for the critical infrastructure that supports our financial systems, healthcare networks, and governmental communications. As we become more dependent on the cloud, the “unbreakable” nature of our optical connections becomes a matter of national and economic security.

Conclusion: Shaping the Future of Data Transmission

The journey toward faster, more efficient data transmission is a continuous process of innovation and discovery. Next gen fiber optics represent the pinnacle of our current understanding of physics and materials science, applied to the goal of connecting the human race. From the air-filled channels of hollow core fibers to the multi-lane efficiency of multi-core designs, these technologies are ensuring that our digital infrastructure remains robust in the face of exponential data growth.

As we look forward, the integration of advanced photonics and novel fiber structures will continue to blur the lines between what is possible and what is reality. The next decade will likely see these technologies transition from the research lab to widespread commercial deployment, powering the next wave of technological breakthroughs. By investing in the development of next gen fiber optics, we are not just upgrading our cables; we are building the foundation for a faster, smarter, and more interconnected world.

Fiber is a future-proof, energy-efficient technology increasingly being used to connect everything to high-speed internet services. Today, operators worldwide are leveraging fiber to create new opportunities with 25G PON services. When the need for more speed arises, operators have a path to 50G PON upgrades and beyond. Nokia is the only vendor that can support all next-generation PON options, with 10G and 25G products available today, 50G in trials, and 100G PON as a technology demonstrator.

With Nokia’s Lightspan fiber access platform, operators can choose a PON solution that best meets a specific use case or business need. The 50G PON trial with Nokia showcases how Google Fiber is looking at the future and what’s needed for new broadband services that foster innovation and growth. Leveraging Nokia’s fiber solution, Google Fiber was able to simultaneously run 10/25G PON along with 25/50G PON broadband service over its fiber network. This showcased the network flexibility and scalability it can deliver to keep pace with the growing demand for multi-gigabit services in the future. Google Fiber is already at the forefront of the multi-gigabit evolution, having launched the first 25G PON commercial services with Nokia in 2023.

Liz Hsu, Senior Director, Product & Billing, at Google Fiber, said: “We are always looking for ways to push the capabilities of our fiber network to deliver the best possible experience to our customers. This test with Nokia builds on the 25G PON deployment we announced together last year, paving the way for future improvements to our network that enhance customer experience in terms of speed, reliability, innovation and support for future business cases that have yet to be defined.”

Geert Heyninck, vice president of broadband networks at Nokia, said: “Service providers need to be able to select the right technology, based on their needs and business case. It is why we already offer 10G and 25G today, are trialing 50G, and developing 100G – ultimately leading to a full range of PON technologies that can be mixed and matched on the same platform and the same fiber. Our expansive toolkit of fiber solutions allows Google Fiber to future-proof their network and flexibly address their evolving network demands.”

For nearly three decades, Conterra’s professionals have been designing, building, and operating new technology-based telecom networks in the education, healthcare, enterprise, and carrier industries throughout the U.S.

Conterra offers several distinct advantages to its clients. With nodes strategically located in both major cities and mid-markets for middle-mile connectivity, Conterra ensures comprehensive coverage and accessibility. Additionally, being collocated in major data centers, including Dallas and Charlotte, Conterra provides direct and efficient connections to key hubs, enhancing network reliability and performance.

One notable advantage of Conterra’s services is the swift deployment of wave turnups, which are completed in hours rather than weeks. This rapid deployment capability minimizes downtime and accelerates the availability of high-speed connectivity for clients, ensuring business continuity and operational efficiency.

Moreover, Conterra has achieved a remarkable 30% increase in fiber capacity without the need for extensive infrastructure builds. This efficiency allows Conterra to meet the growing demands for bandwidth without significant investments in new infrastructure, translating into cost savings and enhanced scalability for clients.

Mike Padula Jr., Vice President of Carrier, Education, and Partner Sales, at Conterra Networks, said: “I am proud to emphasize our collaboration with Ciena in delivering advanced connectivity solutions to our carrier clients. Ciena’s industry leading WaveLogic 5 Extreme technology underpins our 400Gb/s service, reflecting our dedication to innovation in the telecommunications sector. Together, we are committed to providing businesses with the high-performance network infrastructure necessary for success in today’s digital landscape, with Ciena serving as a cornerstone in powering Conterra’s optical network.”

“At Ciena, our innovation enables customers like Conterra Networks, who are at the heart of everything we do, to leverage existing infrastructure investments, do more with less, and swiftly bring new high-capacity services to market in an environmentally friendly way,” said Kevin Sheehan, CTO of the Americas, Ciena.

MetTel customers now have access to the same secure communication technology that powers some of the most critical and sensitive systems in the world in a mobile form factor. The operating system that powers the Sotera SecurePhone is the same operating system that is trusted to secure the United States nuclear arsenal, commercial airliners, and NASA space systems. These are systems that must not only be secure, they also cannot fail.

The Sotera SecurePhone is validated by Netragard, a highly reputable, third-party penetration testing organization which has confirmed that the Sotera SecurePhone is the most secure mobile communication device available. Netragard provides offensive and defensive security services to the US Department of Defense.

MetTel is a four-time and current Leader of the Gartner Magic Quadrant for Managed Network Services as well as an official IT communications vendor on the US General Services Administration’s (GSA) $50 billion Enterprise Infrastructure Solutions (EIS) contract designed to modernize and transform US Federal government networks.

The Sotera SecurePhone joins a growing, robust line-up of security offerings from MetTel that include a range of network and endpoint-based solutions. “Security and privacy are of utmost importance to individuals working with sensitive information, and mobile communications have always been a prime target for data and identity theft,” said Max Silber, Vice President of Mobility and IoT at MetTel. “The Sotera SecurePhone allows our customers to communicate anywhere without fear of their sensitive information being exposed by malicious actors.”

Sotera is built from the ground-up with a focus on secure communications: first, securing the hardware; second, securing the operating system; and third, securing the applications. The Sotera SecurePhone is the first and only product to lock down all three layers in a single solution.

Securing the Hardware: Sotera is built securely from the silicon up using the MediaTek P60 chipset. The Sotera handset will not authenticate foreign hardware and will deny power from the battery, dramatically reducing the risk of physical attacks.

Securing the Operating System: Sotera runs on the Integrity 178B RTOS which has no known vulnerabilities and is implemented in security critical systems, including U.S. military aircraft and NASA’s Orion Crew Exploration Vehicle.

Securing the Applications: Sotera SecurePhone applications are both secure and isolated using a security-enhanced Signal protocol-based voice/messenger as well as an authentication system with transactional server. All communication and file-sharing are encrypted endpoint to endpoint.

“We are extremely excited to work with a B2B partner having the industry-recognized caliber of MetTel to offer our Sotera SecurePhone,” said David Kay, CEO of Sotera Digital Security. “Now MetTel users can protect their companies’ sensitive communications with an efficient, affordable and completely secure solution.”

“Smartphone devices and their operating systems have known vulnerability risks, but what is perhaps most concerning is how reliant enterprise executives and government officials are on applications such as Signal and WhatsApp. Many responsible leaders are not aware that using these applications are not advisable for confidential communications. While they may be secure in their own right, these applications are used on hardware and software that is not. If the phone’s hardware or software is hacked, then so are the apps,” Kay explained.

Sotera powered by MetTel will allow secure communications across a variety of different sectors:

• Confidential Business: In the modern business environment with a dispersed workforce, Sotera SecurePhone allows individuals working with sensitive data and trade secrets to have secure communications between offices or in the field both domestically and internationally. It also offers a means to communicate during crisis securely and reliably, so business leaders can make decisions and coordinate a response, quickly.
• Legal Services: Sotera SecurePhone protects sensitive legal data from unauthorized access or interception, including witnesses involved in criminal defense, undisclosed M&A activity, or complex multiparty negotiations.
• Financial Services: Often dealing with sensitive data including personal and financial information, financial institutions, executives, and high net worth individuals can securely discuss banking, investments, and financial transactions with clients and their firms.
  Government and Government Contracting: Used by high-level executives, government officials, and diplomats who handle sensitive information and travel frequently to unstable or untrustworthy countries, this system can provide an additional layer of security against eavesdropping and unauthorized access to communications.

Deal value is not included in the report. Nonetheless, the new owners would put up to USD 100 million in investments over the following two years following the deal’s conclusion. This will facilitate the company’s national Wi-Fi infrastructure expansion. Prior to the talks ending in a transaction, Cisco and FireFly were in discussions to buy the latter. After that, the business and the Digital Infrastructure Accelerator had a conversation.

Vodafone Idea and Airtel weren’t too enthusiastic to invest more money in the business. For the past two years, FireFly has thus been actively seeking additional investors. To solve capacity concerns, the telcos would prefer to concentrate on the deployment and growth of 5G. The entire goal of FireFly is to enable telecom operators to take advantage of their infrastructure in order to provide seamless mobile network connectivity services to consumers at a lower cost. Since 5G won’t be available everywhere in India for a few years, FireFly will be able to increase its market share and maybe grow its income with the additional funding.

ACC 2023 will unfold between September 11th and 15th at the beautiful Shangri-La Mactan in Cebu, Philippines. DIDWW is eager to share insights from its extensive industry experience in this key assembly for Asia’s telecoms and ICT industry. Attendees can connect with the DIDWW team at meeting booth S2, located in the Mactan Ballroom of the hotel.

Simultaneously, DIDWW also prepares to attend WWC 2023, a prestigious gathering of the global telecoms wholesale community. Scheduled from September 20th to 22nd, the event will be hosted by the Meliá Castilla Madrid hotel in Spain’s vibrant capital. Delegates wishing to meet with DIDWW at WWC 2023 can find the team in rooms 101 and 102, conveniently situated on the first floor of the hotel.

In the upcoming expos, DIDWW will showcase the latest advancements to its powerful two-way SIP trunking solution, A2P and P2P SMS, among other innovative VoIP services. Over the years, DIDWW has engineered a diverse range of Voice and SMS communication products and APIs. These cutting-edge solutions are designed to offer reliable, scalable and cost-effective alternatives to traditional telephone networks.

Event attendees are invited to meet the DIDWW team at these industry summits. To arrange a dedicated session in advance, it is advised to schedule a meeting via email at sales@didww.com or contact the personal account manager.

Karolis Jurys, Commercial Director at DIDWW, said, “We are excited to participate in ACC 2023 and WWC 2023 as silver and gold sponsors respectively. These telecom events offer an outstanding platform for us to showcase our advanced VoIP, SIP trunking, and SMS solutions. We look forward to meeting industry colleagues and discussing the future of telecommunications.”

A Major Breakthrough
This license will enable Zoom to expand its services and offer a more comprehensive communication solution to its customers in India.
By obtaining this license, Zoom will be able to provide a more complete communication solution to its enterprise customers in India, who can now use Zoom for their voice, video, and telephone communication needs.

This move is expected to strengthen Zoom’s position in the Indian market and help it compete more effectively against other communication providers in the country.

The pan-India telecom license is issued by the Department of Telecommunications (DoT) and allows Zoom to operate as a telecom service provider in India. The license is required for companies that want to offer telephone services in the country and is regulated by TRAI, Telecom Regulatory Authority of India.

Zoom’s decision to obtain a telecom license in India is a strategic move that reflects the company’s commitment to expanding its services and presence in the country. The move also aligns with the Indian government’s push to promote digital communication and the use of technology in various sectors.

The government is committed to ensuring that everyone in New Zealand can get access to good mobile wireless coverage, no matter where they are, Minister for Digital Economy and Communications Ginny Andersen said.

“By working together with our major mobile network operators, many more Kiwis will gain access to 5G services quicker, which is expected to provide faster data transmission speeds and capacity compared to 4G,” she said.

In return for the commitments from the major network operators, the government will provide long-term access to the 3.5GHz spectrum band used for 5G services worldwide through a direct allocation process. This exchange provides an opportunity to expand and improve coverage to regional and rural New Zealand, Anderson said.

IRM is a global leader in ERM qualifications, with a presence in over 140 countries. The collaboration with Reliance Jio, a subsidiary of Jio Platforms that operates a national LTE network across India, will involve the organization of webinars, roundtables, and industry meetings, as well as the contribution of thought leadership articles to improve ERM and risk intelligence in the telecommunications sector.

Sachin Mutha, Head of Risk Management at Reliance Jio, expressed excitement about partnering with the world’s leading professional body for ERM qualifications, noting that the company’s risk management process aligns with international standards.

The partnership aligns with IRM India Affiliate’s mission to create a resilient and self-reliant India by fostering risk-intelligent organizations across various sectors. Recently, IRM has also entered into knowledge partnerships with leading companies such as Cipla, UltraTech, IHCL, NIMSME, and AICTE.

A recent KPMG study highlights the growing complexity and resource intensiveness of risk management within the telecom industry, citing key risk areas such as investment, employees, supply chain, regulatory, and cyber risk. The COVID-19 pandemic has underscored the vital role of a robust, scalable, and secure telecommunications network for both national economic wellbeing and individual citizens.