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Research progress review on precision ranging technology based on microcombs
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Bohang HUANG1, Tinghao JIANG1, Chunbo ZHAO2, Tengfei WU2, 1, Guangqiang HE1, 3, 2
Metrology & Measurement Technology | 2025, 45(6) : 10 - 28
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Metrology & Measurement Technology | 2025, 45(6): 10-28
• New Techniques for Precision Measurement •
Research progress review on precision ranging technology based on microcombs
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Bohang HUANG1, Tinghao JIANG1, Chunbo ZHAO2, Tengfei WU2, 1, Guangqiang HE1, 3, 2
Affiliations
  • 1State Key Laboratory of Photonics and Communications, School of Information Science and Electronic Engineering School of Integrated Circuits, Shanghai Jiao Tong University, Shanghai200240, China
  • 2AVIC Changcheng Institute of Metrology Measurement, Beijing100095, China
  • 3State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai200062, China
Published: 2025-12-28 doi: 10.11823/j.issn.1674-5795.2025.06.01
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The basic principles of precision ranging based on soliton microcombs and their advantages in chip⁃level integration, high precision, and high speed are introduced. The principles and implementations of single⁃microcomb frequency⁃modulated continuous wave, chaotic ranging, dispersive interferometry, synthetic⁃wavelength metrology, and dual⁃comb ranging are elaborated. The development paths such as repetition frequency locking, frequency scanning, and parallel imaging are discussed. It is pointed out that the research in this field has progressed from proof⁃of⁃concept demonstrations to a new stage focused on performance optimization and practical exploration. It is further proposed that the future development will be characterized by system⁃level full optoelectronic integration, multifunctional reconfigurability, and deep cross⁃disciplinary convergence, through which a large⁃scale deployment of chip⁃scale precision LiDAR in automotive perception, industrial metrology, space exploration, and related applications is expected to be enabled.

microcavity optical frequency comb  /  absolute distance measurement  /  frequency modulated continuous wave  /  dispersive interferometry  /  synthetic wavelength  /  dual⁃comb ranging  /  integrated photonics  /  precision ranging
Bohang HUANG, Tinghao JIANG, Chunbo ZHAO, Tengfei WU, Guangqiang HE. Research progress review on precision ranging technology based on microcombs[J]. Metrology & Measurement Technology, 2025 , 45 (6) : 10 -28 . DOI: 10.11823/j.issn.1674-5795.2025.06.01
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doi: 10.11823/j.issn.1674-5795.2025.06.01
  • Receive Date：2025-08-19
  • Online Date：2026-04-09
  • Published：2025-12-28
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  • Received：2025-08-19
  • Revised：2025-09-04
Affiliations
    1State Key Laboratory of Photonics and Communications, School of Information Science and Electronic Engineering School of Integrated Circuits, Shanghai Jiao Tong University, Shanghai200240, China
    2AVIC Changcheng Institute of Metrology Measurement, Beijing100095, China
    3State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai200062, China
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红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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