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Article Dans Une Revue CHINESE OPTICS LETTERS Année : 2018

Improving the resolution in quantum and classical temporal imaging

Résumé

The point-spread function of an optical system determines its optical resolution for both spatial and temporal imaging. For spatial imaging, it is given by a Fourier transform of the pupil function of the system. For temporal imaging based on nonlinear optical processes, such as sum-frequency generation or four-wave mixing, the point-spread function is related to the waveform of the pump wave by a nonlinear transformation. We compare the point-spread functions of three temporal imaging schemes: sum-frequency generation, co-propagating four-wave mixing, and counter-propagating four-wave mixing, and demonstrate that the last scheme provides the best temporal resolution. Our results are valid for both quantum and classical temporal imaging.
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hal-04537063 , version 1 (08-04-2024)

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Junheng Shi, Giuseppe Patera, Youzhen Gui, Mikhail I. Kolobov, Dmitri B. Horoshko, et al.. Improving the resolution in quantum and classical temporal imaging. CHINESE OPTICS LETTERS, 2018, 16 (9), ⟨10.3788/COL201816.092701⟩. ⟨hal-04537063⟩
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