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Title page 1

Contents 4

ACKNOWLEDGEMENTS 2

EXECUTIVE SUMMARY 5

INTRODUCTION 8

NEXT-GENERATION PNT: A NATIONAL SECURITY PRIORIT 10

CORE QUANTUM SENSORS FOR NEXT-GENERATION PNT 14

A COMPARATIVE ASSESSMENT OF THE U.S. QUANTUM SENSING ECOSYSTEM 23

REMAINING CHALLENGES FOR QUANTUM PNT 36

RECOMMENDATIONS TO ADVANCE U.S. QUANTUM SENSING FOR NEXT-GENERATION PNT 40

CONCLUSION 47

APPENDIX 48

Tables 10

TABLE 1. APPLICATIONS REQUIRING PNT IN DEFENSE, CRITICAL INFRASTRUCTURE, AND OTHER SECTORS 10

TABLE 2. SUMMARY OF QUANTUM SENSORS' ADVANTAGES OVER CLASSICAL ALTERNATIVES, CURRENT LIMITATIONS, AND NEXT STEPS TO IMPROVE PERFORMANCE 22

TABLE 3. U.S. GOVERNMENT QUANTUM INFORMATION SCIENCE R&D INVESTMENTS BY BUDGET CATEGORY, FISCAL YEARS 2019-2024 25

TABLE 4. COUNTRY-LEVEL STATISTICS ON RESEARCH PUBLICATIONS IN QUANTUM SENSING RELEVANT TO PNT, 2010-2024 29

TABLE 5. GLOBAL TOP 15 RESEARCH ORGANIZATIONS BY RESEARCH PUBLICATION COUNT IN RELEVANT QUANTUM SENSING TOPICS, 2010-2024 31

TABLE 6. U.S.-HEADQUARTERED COMPANIES DEVELOPING QUANTUM SENSING TECHNOLOGY 33

Figures 12

FIGURE 1. GPS UNDERPINS PNT ACROSS A HETEROGENEOUS SET OF PLATFORMS AND INFRASTRUCTURE 12

FIGURE 2. TURNING LABORATORY-GRADE SYSTEMS INTO COMPACT, FIELDABLE DEVICES IS A FORMIDABLE TECHNICAL CHALLENGE FOR QUANTUM SENSING 16

FIGURE 3. ATOMIC CLOCKS ARE SHOWING MAJOR BREAKTHROUGHS IN PERFORMANCE AND FIELDABILITY 17

FIGURE 4. QUANTUM GYROSCOPE MODALITIES VARY IN SIZE AND FIELDABILITY 19

FIGURE 5. QUANTUM GRAVIMETERS AND MAGNETOMETERS HAVE BEEN SUCCESSFULLY DEMONSTRATED ABOARD REAL-WORLD PLATFORMS 21

FIGURE 6. COMPARATIVE TRENDS IN U.S. AND CHINA QUANTUM SENSING RESEARCH OUTPUTS, 2010-2024 30

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