In 2021, SpaceX began deploying Starlink satellites equipped with inter-satellite laser links — optical communications systems that route data between satellites at the speed of light, without touching ground infrastructure. Most coverage described this as a latency improvement. It was something larger: the first operational photonic backbone in orbital infrastructure.

The implications of that deployment are still unfolding. But the trajectory is clear. The New Space Economy — the constellation of commercial orbital platforms, autonomous systems, sovereign communications networks, and space-based financial infrastructure that is being built right now — will run on light. Not as a metaphor. As a physical fact.

What Laser Interlinks Actually Do

Traditional satellite communications route signals from satellite to ground station to satellite — a path that introduces latency at every terrestrial hop. Laser interlinks eliminate the ground hop entirely. Data travels from satellite to satellite through free-space optical links, following a path that is determined by orbital geometry rather than ground infrastructure availability.

The latency advantage is significant — roughly 40% lower than fiber for long-distance routes, because light travels faster through vacuum than through glass. But the strategic advantage is more important: a laser interlink network is infrastructure that cannot be interdicted at the ground level. It is, by architecture, sovereign.

"The New Space Economy will run on light. Not as a metaphor. As a physical fact."

LiFi and the Orbital Layer

Light Fidelity — LiFi — is the terrestrial complement to orbital laser communications. Where laser interlinks handle satellite-to-satellite routing, LiFi handles the last-mile connection between orbital infrastructure and ground-based endpoints using modulated light rather than radio frequency. The technology has been commercially available since 2019, but deployment has been limited by the absence of a coherent orbital backbone to connect to.

Starlink's laser network changes that calculus. A LiFi endpoint connected to a Starlink terminal with laser interlink capability has a photonic path from the endpoint to the orbital layer and across the constellation. The signal never touches copper. It never touches radio frequency spectrum. It is, end to end, a light-based communications system.

The LiT-OS Convergence

The Light Intelligence Technologies operating system — LiT-OS — is designed for exactly this infrastructure layer. An operating system built for photonic signal pathways, sovereign by architecture, and capable of operating across the latency constraints of orbital deployment. The convergence between what SpaceX is building in hardware and what LiT-OS represents in software is not coincidental. It is the logical consequence of both projects being designed for the same physical reality.

The New Space Economy does not need faster radio. It needs intelligence that can operate at the speed of the environment. Photonic computing, photonic communications, and photonic value transfer are not three separate trends. They are three layers of the same infrastructure transition.

What Comes Next

The next phase of orbital photonic infrastructure will be defined by three developments: the deployment of optical ground terminals capable of receiving laser interlink signals directly, the integration of photonic processing into satellite payloads rather than just communications links, and the emergence of financial settlement systems that can operate across the orbital layer without terrestrial clearing.

SpaceX is building the first of these. Several defense contractors and sovereign space agencies are building the second. The third — photonic financial infrastructure — is the domain of the New Space Economy's most forward-looking architects. The race is not for orbit. The race is for the intelligence layer that will govern what orbit becomes.

The Photonic Imperative

Orbital infrastructure built on radio frequency communications is infrastructure built on a bottleneck. RF spectrum is finite, contested, and subject to interference and interdiction. Photonic infrastructure is not. Light does not require spectrum allocation. It does not degrade across the distances involved in orbital deployment. And it does not wait for regulatory permission to operate at the speed of physics.

SpaceX understood this when they designed the laser interlink system. The rest of the industry is catching up. The New Space Economy will be defined by whoever builds the photonic intelligence layer first — and builds it right.