🔬 RESEARCH BRIEFING // AEROSPACE & TELECOMMUNICATIONS
arXiv ID: 2501.17720
Terabit Optical Inter-Satellite Links in Low-Earth Orbit Constellations for Global Telemetry
Authors: J. Vance, K. Kowalski, Dr. T. Subramanian • Institution: Caltech JPL & Delft University of Technology
Executive Abstract Synthesis
Analyzes laser inter-satellite routing across 6,500+ Low-Earth Orbit (LEO) spacecraft, demonstrating how optical mesh topologies achieve 35% lower latency than subsea fiber cables over long-haul intercontinental routes.
Key Empirical Findings & Benchmarks
- Optical Doppler compensation maintains 100 Gbps laser lock between satellites traveling at 27,000 km/h.
- Phased-array user terminals (Starlink Mini [Amazon ↗] class) maintain uninterrupted broadband connectivity across polar and maritime chokepoints.
- Provides sovereign backup routing when subsea telecommunications cables are disrupted in the Red Sea or Baltic Sea.
Strategic & Hardware Implementation Impact
Transforms maritime shipping, aviation, remote field journalism, and disaster recovery by making compact phased-array satellite terminals a universal infrastructure layer.
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