Coherent Two-Photon LIDAR with Incoherent Thermal Light

The counterintuitive emergence of second-order interference beyond the coherence length has been observed and reported in quantum optical systems [1], [2]. This phenomenon can lead to potential remote sensing applications by overcoming the key limitation of the coherent LIDAR (Light Detection and Ra...

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Published in2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) p. 1
Main Authors Lee, Chung-Hyun, Kim, Yosep, Im, Dong-Gil, Kim, U-Shin, Tamma, Vincenzo, Kim, Yoon-Ho
Format Conference Proceeding
LanguageEnglish
Published IEEE 26.06.2023
Subjects
Coherence
Distance measurement
Europe
Interference
Laser radar
Optical sensors
Remote sensing
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Summary:The counterintuitive emergence of second-order interference beyond the coherence length has been observed and reported in quantum optical systems [1], [2]. This phenomenon can lead to potential remote sensing applications by overcoming the key limitation of the coherent LIDAR (Light Detection and Ranging), such as the source coherence length, which defines the maximum detection range. In this work, we present an experimental demonstration of coherent two-photon LIDAR beyond the coherence length with thermal light.
ISSN:2833-1052
DOI:10.1109/CLEO/Europe-EQEC57999.2023.10231901