While most people associate quantum technology with futuristic computers, the Colorado-based company Infleqtion is betting that the first major quantum breakthrough to reach the real world could instead happen in radio-frequency (RF) sensing—the technology behind GPS, radar, wireless communication, aircraft navigation, and military surveillance.
The company recently unveiled a new atom-based approach to detecting radio signals that could eventually replace parts of conventional antenna systems. They named this approach Quantum Spectrum.
Interestingly, this new approach arrives at a time when the global radio environment is becoming increasingly chaotic.
“Every government depends on radio-frequency signals to navigate, communicate, detect threats, move goods, manage airspace, and operate critical infrastructure. Those signals are now easier to jam, spoof, hide, and overwhelm,” the Infleqtion team notes.
Traditional RF systems rely on antennas and electronic hardware that are often optimized for limited frequency ranges, forcing engineers to build separate systems for different bands. This creates size, power, and reliability challenges—especially in contested environments.
Infleqtion claims its new approach could bypass many of those limitations by using atoms themselves as sensors.
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