X-lumin Breaks the 400 Gbps Barrier in Wireless Optical Communications, Setting a New Industry Standard for Terrestrial Laser Networks

Key Terms

free-space optical technical

Free-space optical describes technology that sends data using light beams through the open air or space instead of through cables, like shining a focused flashlight or laser beam between two buildings or satellites. Investors care because it can deliver very high-speed links with lower installation cost and low latency compared with laying fiber, but its performance can be affected by weather, distance, and alignment—factors that influence reliability, deployment cost and potential returns.

carrier-grade technical

Carrier-grade describes hardware, software or services built to the high reliability, capacity and security standards required by major telecommunications providers. Think of it like industrial-strength equipment meant to run continuously without failure—similar to a commercial airplane compared with a consumer vehicle—and important to investors because carrier-grade products signal lower operational risk, larger contract opportunities and steadier revenue prospects from institutional customers.

latency technical

Latency is the time delay between when information or an instruction is created and when it is received, processed, or acted on by a market system or data feed. For investors, that delay can alter the price you receive, cause missed trading opportunities, or increase execution risk — like sending a text to buy an item and the seller acting a few seconds later after the price has changed.

jitter technical

Jitter is the small, rapid, often random short-term fluctuations or “noise” in a stock price, market data feed, or timing signals that make readings jump around even when the underlying trend is steady. For investors, jitter matters because it can mask true price direction, trigger or confuse automated trading systems, distort performance measures and increase execution costs—like ripples on a pond that hide the boat’s actual course.

backhaul technical

Backhaul is the part of a network or supply chain that moves data or goods from edge points—like cell towers, retail outlets, or distribution centers—back toward the central hub or core network. Investors care because backhaul capacity, reliability and cost directly affect service quality, growth potential and margins: insufficient or expensive backhaul can create bottlenecks or require costly upgrades, while efficient backhaul supports scaling and better returns.

quantum key distribution medical

Quantum key distribution is a way of creating and sharing secret encryption keys using the laws of quantum physics, typically by sending tiny particles of light so that any eavesdropping automatically changes them and can be detected. Investors care because it promises much stronger, tamper-evident protection for sensitive data and communications—like a lock that signals if it’s been picked—affecting the value of cybersecurity, telecom and defense technologies as quantum computing advances.

layer-2 agnostic technical

A layer-2 agnostic product or protocol is designed to work with many different blockchain layer-2 networks rather than being tied to a single one. For investors, that means the technology can reach more users and adapt as the market shifts, reducing dependence on any one network and widening potential adoption—like a universal charger that fits multiple phone brands instead of only one model.

Verified by VIAVI OneAdvisor, the breakthrough deployment in West Palm Beach delivers carrier-grade performance without fiber’s delays, vulnerabilities, or spectrum constraints — and is ready to power 5G, 6G, AI, and quantum-enabled smart cities today.

WEST PALM BEACH, Fla.--(BUSINESS WIRE)-- Tomorrow City USA Conference--X-lumin, the leading terrestrial free-space optical (FSO) communications company, today announced it has achieved bidirectional wireless optical data transmission at 400 Gbps full duplex — an industry first — across its commercially deployed laser communication system in West Palm Beach, Florida. Performance of its system, called “TeraLink,” was independently validated using a Viavi OneAdvisor 800 transport platform with a 400G transport module, confirming carrier-grade metrics that rival — and in several key dimensions exceed — those of buried fiber.

The system has been installed since October 2025, deployed in collaboration with Related Ross Real Estate, connecting the landmark luxury properties One Flagler and 360 Rosemary. Through X-lumin’s Preferred Partnership with Cisco, TeraLink utilized Cisco’s 8201 router and 400G OpenZR+ coherent optics, the verified results set a new benchmark for what wireless infrastructure can deliver:

• 400Gbps bandwidth
• 0.0243 millisecond latency
• 0.003 microsecond jitter
• 0.00384 frame loss ratio

Those are not lab numbers. They are live performance metrics from TeraLink in a deployed commercial system — a distinction that separates X-lumin’s announcement from prior laboratory demonstrations, and positions the technology squarely in the realm of critical infrastructure.

WHY THIS CHANGES THE CALCULUS ON CONNECTIVITY

Fiber remains a preferred standard for wireline capacity, but its real-world weaknesses are increasingly difficult to ignore. Permit timelines, municipal right-of-way negotiations, material procurement, trenching, and construction routinely stretch fiber deployment schedules to 18–36 months. Once buried, fiber is vulnerable: cable cuts from construction, theft of copper-sheathed lines, and flood-driven outages regularly knock out even ring-protected routes.

The September 2024 flooding in Houston illustrated the stakes starkly. Fiber rings — the redundancy architecture operators depend on — were simultaneously compromised by floodwater intrusion, leaving portions of the metro without service for weeks. When both sides of a ring share the same underground conduit path, ring topology offers theoretical resilience that can erase in hours.

Microwave, the traditional alternative for wireless backhaul, carries its own structural liabilities. Its spectral throughput ceiling has been largely reached at commercially viable frequencies. Licensing costs and spectrum scarcity impose hard constraints on deployment scale. And microwave’s latency and bandwidth characteristics are simply incompatible with the performance envelope demanded by AI inference workloads, autonomous systems, and emerging quantum networking overlays.

Laser communication changes all three equations simultaneously. X-lumin’s FSO links require no spectrum allocation, and can be installed in days rather than months. They are inherently immune to the physical vulnerabilities of buried fiber. And at 400 Gbps with sub-25-microsecond latency, they deliver the bandwidth and timing precision that next-generation applications require.

THE INFRASTRUCTURE LAYER FOR WHAT COMES NEXT

The global infrastructure stack is undergoing simultaneous stress tests: 5G densification is demanding ever-tighter backhaul SLAs; AI and AIoT workloads are collapsing the tolerance for latency variance; quantum key distribution networks require optical fidelity that copper and microwave cannot provide; and municipalities pursuing smart city mandates need a connectivity substrate that is high-performance, rapidly deployable and carries stronger resilience.

X-lumin’s 400 Gbps capability with 0.003 microsecond jitter meets the timing requirements of AI inference grids and real-time sensor fusion at the network edge. The license-free optical spectrum makes it a natural complement to — or primary bearer for — 5G small cell and macro-site backhaul. Its architecture is “FutureG” capable: as 6G air interfaces push toward terabit throughput and sub-millisecond end-to-end budgets, the optical backhaul tier will need to match. X-lumin is already there.

For multi-dwelling units, mixed-use towers, data centers, and enterprise campuses, the proposition is equally direct. X-lumin can deliver a gigabit-class, carrier-grade connection between buildings within days of a signed agreement — with zero trenching, zero spectrum fees, zero emissions, and a link budget that exceeds what most operators can provision over fiber in the same timeframe. True physical-layer redundancy, spatially diverse from traditional modes, becomes economically accessible for the first time.

QUOTES

“We intentionally designed TeraLink to be interoperable with existing telco infrastructure – it is a Layer-2 agnostic system, and is fiber-coupled for a fully optical solution. Without any O-E-O conversion it is able to support Quantum 2.0 technologies such as Quantum Key Distribution and Quantum Timing. Adding the terabyte bandwidth and low latency makes TeraLink foundational infrastructure for resilient future cities, AI, and datacenter interconnects.”

— John Stryjewski, PhD, CTO and Co-Founder, X-lumin

“Operators and cities have been waiting for a wireless alternative that carries exceptional performance and speed of deployment. X-lumin removes many of the pain points in existing networks and greenfield expansions. We can now walk into a conversation with a tower operator, a data center campus, or a municipality and offer terabit capacity, high availability, and a deployment timeline measured in days — with no spectrum license, no trench permit, and no single point of failure shared with their existing fiber network.”

— Zev Suissa, Chief Growth Officer, X-lumin

TOMORROW CITY USA — PANEL CONTEXT

X-lumin will present this milestone at the Tomorrow City USA conference, where the company’s Chief Growth Officer, Zev Suissa, will join the panel on Full Stack AI and AIoT Infrastructure for Cities. Panelists include Jumbi Edulbehram of NVIDIA and John Lockhart of SHI International, moderated by Ali Asad Hasan, former AWS Global Smart City Lead. The panel will address how municipalities can architect the physical and digital infrastructure layers necessary to support AI-native city operations — from edge compute and IoT sensor networks to the high-throughput, low-latency backhaul that binds them together.

ABOUT X-LUMIN

X-lumin delivers advanced optical laser communication systems to service both ground-to-space and terrestrial communication networks for dual-use government and commercial customers. For more information, visit https://x-lumin.com/.

ABOUT VIAVI

VIAVI (NASDAQ: VIAV) is a global leader in test and measurement and optical technologies. Our test, monitoring, assurance, and resilient position, navigation and timing solutions enable and secure critical infrastructure ranging from data center ecosystems and communication networks to military, aerospace, railway and first responder communications. In addition, we develop and advance technologies used in high-volume optical applications across anti-counterfeiting, consumer electronics, aerospace, industrial and automotive end markets.

Learn more about VIAVI at www.viavisolutions.com. Follow us on VIAVI Perspectives, LinkedIn and YouTube.

ABOUT RELATED ROSS

Led by visionary developer Stephen Ross, Related Ross is a fully integrated real estate company shaping South Florida’s next generation of growth. With more than $10B planned in investment across Palm Beach County, the firm is a market leader in attracting global companies and talent to South Florida. As a catalyst for regional growth, Related Ross is advancing developments through public-private partnerships that strengthen business ecosystems, expand attainable housing offerings, support world-class healthcare, enhance higher education and K-12 opportunities, and cultivate innovation hubs to accelerate South Florida’s dynamic business and cultural growth. The firm also curates entertainment programming and thought-leadership initiatives that position the region as a national center for ideas and experiences. Its portfolio spans mixed-use, Class AA+ lifestyle office, luxury residential, affordable housing, city centers, hotels and hospitality, and public realm, designed to anchor long-term economic vitality in the communities they build. Through the Related Ross Foundation, the company is focused on equitable growth that expands access to education, employment, and cultural vitality. For more information, visit www.relatedross.com.

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Media Contact
Zev Suissa | Chief Growth Officer | X-lumin
info@x-lumin.com | 310.403.4321

Source: X-lumin