Christopher L. Holloway

National Institute of Standards and Technology

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About

Christopher L. Holloway is a pioneering figure in the field of quantum sensing, with a primary focus on Rydberg atom-based radio-frequency (RF) metrology. His major contributions include the development of subwavelength, amplitude-only measurement techniques that enable ultra-wideband detection and angle-of-arrival estimation of RF fields—overcoming fundamental limitations of traditional antenna-based systems. His most-cited work, "Determining angle of arrival of radio-frequency fields using subwavelength, amplitude-only measurements of standing waves in a Rydberg atom sensor" (2025), has already garnered 3 citations, reflecting its immediate impact. Holloway’s research has revolutionized compact, omnidirectional RF sensing, offering unprecedented precision in field mapping and imaging. His achievements include advancing atomic sensors for practical applications in communications, radar, and electromagnetic field analysis. For students and researchers, Holloway’s work represents a transformative leap in quantum metrology, merging atomic physics with engineering to create sensors that are both highly sensitive and miniaturized—a testament to his role as a leader in next-generation measurement science.