Compact all-fiber polarization-independent up-conversion single-photon detector

Liang, Longyue; Liang, Junsheng; Yao, Quan; Zheng, Ming-Yang; Xie, Xiaozhu; Liu, Hong; Zhang, Qiang; Pan, Jian-Wei

doi:10.1016/j.optcom.2019.02.057

Cited by 12 publications

(5 citation statements)

References 37 publications

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“…The Mie-Rayleigh lidar at 1064 nm is commonly used for aerosol in particular smoke and volcanic ash as well as cirrus (Haarig et al, 2018;Vaughan et al, 2019;Pauly et al, 2019;Li et al, 2020;Yuan et al, 2022;Haarig et al, 2022) due to its higher atmospheric transmission than that at 532 nm (Salvoni et al, 2021;Wu et al, 2020;Liang et al, 2019;Xian et al, 2020;Xu et al, 2022). Accurate measurement of aerosol/cloud backscatter coefficient at 1064 nm are critical to improve our understanding of various physical properties of the atmosphere, specifically how clouds and aerosols radiatively impact our Earth in the infrared (Pauly et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Quality assessment of aerosol lidars at 1064 nm in the framework of the MEMO campaign

Wang

Yin

et al. 2023

Preprint

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Abstract. Aerosol lidar network can play an important role on revealing structural characteristics of atmospheric boundary layer, urban heat island effect, spatial distribution of aerosols, especially monitoring atmospheric pollution in a megacity. To fulfill the need of monitoring and numerical forecast of atmospheric pollution, an aerosol lidar network is proposed by China Meteorological Administration, which serves as an important part of "MegaCity Experiment on Integrated Meteorological Observation in China" (MEMO). To ensure high standard of data quality and traceability of measurement error, an inter-comparison campaign, dedicated for quality assessment of lidar systems from different institutes and manufacturers, was designed and performed at Beijing Southern Suburb Observatory in September 2021. Six Mie-Rayleigh lidar systems at 1064 nm were involved in this campaign. The strategies for lidar self-evaluations and inter-comparisons were predefined. A lidar system at 1064 nm, which was developed by Atmospheric Remote Sensing group at Wuhan University, was selected as the reference lidar system after passing all self-evaluations quality checks in a strict way. The reference lidar system serves as the corner stone for evaluating the performance of other lidar systems. After using the self-test of Rayleigh fit and signalto- noise evaluation for each individual lidar system to fast check the data quality, the range-corrected signal and backscatter coefficient obtained from all the lidar systems were inter-compared with a reference lidar system. In the end, the lidar systems were quality assured, of which the standard deviation of range-corrected signal can be controlled within 5 % at 500–2000 m while 10 % at 2000–5000 m. For the derived aerosol backscatter coefficients, standard deviations can be controlled within 10 % at 500–2000 m and 2000–5000 m. The quality assurance strategy lays down a solid basis for atmospheric lidar at near-infrared wavelength and will be applied in Chinese lidar network development.

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Section: Introductionmentioning

confidence: 99%

Quality assessment of aerosol lidars at 1064 nm in the framework of the MEMO campaign

Wang

Yin

et al. 2023

Preprint

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“…Polarization-insensitive frequency upconversion has also been demonstrated by using a polarization Sagnac nonlinear interferometer based on type-0 phase matching for dual-polarizationmode frequency conversion [15] . A polarization diversity configuration is also an alternative solution [16,17] . Horizontally and vertically polarized components of the input are separated fed to two frequency converters.…”

Section: Introductionmentioning

confidence: 99%

Experimental demonstration of TE/TM polarization-independent frequency upconversion assisted by polarization coupling

Ding,

Tang,

Sun

et al. 2023

中国光学快报

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Optical frequency conversion based on the second-order nonlinearity (χ 2 ) only occurs in anisotropic media (or at interfaces) and thus is intrinsically polarization-dependent. But for practical applications, polarization-insensitive or independent operation is highly sought after. Here, by leveraging polarization coupling and second-order nonlinearity, we experimentally demonstrate a paradigm of TE/TM polarization-independent frequency upconversion, i.e., sum frequency generation, in the periodically poled lithium niobate-on-insulator ridge waveguide. The cascading of quasi-phase-matched polarization coupling and nonlinear frequency conversion is exploited. With a proper transverse electric field, TE and TM mode fundamental waves can be frequency-upconverted with an equal efficiency in the frequency converter. The proposed method may find ready application in all-optical wavelength conversion and upconversion detection technologies.

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“…The Mie-Rayleigh lidar at 1064 nm is commonly used for aerosol in particular smoke and volcanic ash as well as cirrus (Haarig et al, 2018;Vaughan et al, 2019;Pauly et al, 2019;Li et al, 2020;Yuan et al, 2022;Haarig et al, 2022) due to its higher atmospheric transmission than that at 355 and 532 nm (Salvoni et al, 2021;Wu et al, 2020;Liang et al, 2019;Xian et al, 2020;Xu et al, 2022). Accurate measurements of aerosol and cloud backscatter coefficient at 1064 nm are critical to improving our understanding of various physical properties of the atmosphere, specifically how clouds and aerosols radiatively impact our Earth in the infrared (Pauly et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Quality assessment of aerosol lidars at 1064 nm in the framework of the MEMO campaign

Wang,

Yin,

et al. 2023

Atmos. Meas. Tech.

View full text Add to dashboard Cite

Abstract. Aerosol lidar networks can play an important role in revealing structural characteristics of the atmospheric boundary layer, the urban heat island effect, and the spatial distribution of aerosols, especially in relation to the monitoring of atmospheric pollution in megacities. To fulfill the need of the monitoring and numerical forecasting of atmospheric pollution, an aerosol lidar network is proposed by the China Meteorological Administration which serves as an important part of the “MegaCity Experiment on Integrated Meteorological Observation in China” (MEMO). To ensure a high standard of data quality and traceability of measurement error, an inter-comparison campaign, dedicated to the quality assessment of lidar systems from different institutes and manufacturers, was designed and performed at Beijing Southern Suburb Observatory in September 2021. Six Mie–Rayleigh lidar systems at 1064 nm were involved in this campaign. The strategies for lidar self-evaluations and inter-comparisons were predefined. A lidar system at 1064 nm, which was developed by the Atmospheric Remote Sensing group at Wuhan University, was selected as the reference lidar system after passing all strict self-evaluation quality checks. The reference lidar system serves as the cornerstone for evaluating the performance of other lidar systems. After using the Rayleigh fit and signal-to-noise evaluation self-tests for each individual lidar system as a fast check of the data quality, the range-corrected signal and backscatter coefficient obtained from all the lidar systems were inter-compared with a reference lidar system. In the end, the lidar systems passed the quality control/assurance, ensuring that the standard deviation of range-corrected signal could be controlled within 5 % at 500–2000 m and 10 % at 2000–5000 m. For the derived aerosol backscatter coefficients, standard deviations can be controlled within 10 % at 500–2000 and 2000–5000 m. The quality assurance strategy lays down a solid basis for atmospheric lidar at near-infrared wavelengths and will be applied in Chinese lidar network development.

show abstract

Compact all-fiber polarization-independent up-conversion single-photon detector

Cited by 12 publications

References 37 publications

Quality assessment of aerosol lidars at 1064 nm in the framework of the MEMO campaign

Quality assessment of aerosol lidars at 1064 nm in the framework of the MEMO campaign

Experimental demonstration of TE/TM polarization-independent frequency upconversion assisted by polarization coupling

Quality assessment of aerosol lidars at 1064 nm in the framework of the MEMO campaign

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