Advanced Narrow-linewidth Tunable Laser for Rydberg Sensors (ANTLRS) (ANTLRS)

AOSense proposes to develop a narrow-linewidth, widely tunable, high-power near-infrared laser in a robust, compact, semi-monolithic package compatible with the vibration conditions in suborbital flight. The laser will enable Rydberg excitation in rubidium from the 5D_5/2_ state to target states spanning n=35-100, accessing resonant microwave Rydberg transitions spanning the S band to the W band. The Phase I effort will include designing the laser package, building the laser, testing the laser performance (e.g., wavelength, coarse tuning range, mode-hop-free tuning range, linewidth, and power), and planning further studies of vibration testing and Rydberg microwave-sensing sensitivity response to laser linewidth.

• Improve sensitivity and broadband capability for radar-based geosurveys. • Communications with distant missions. • Improve sensitivity and expand capabilities of radio telescopes, including sub-wavelength imaging. • Extremely broadband, electromagnetic impulse (EMI)-secure communications • Electromagnetic compatibility testing • THz detection and imaging • Biomedical imaging and diagnostics

This is a mature technology (TRL 7+) — the realistic path in is usually NASA's Technology Transfer Program: licensing an existing NASA patent, or a Space Act Agreement to use NASA facilities/expertise directly. NASA also runs a startup licensing program with no upfront fee for companies formed to commercialize a specific NASA technology.

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