Quantum Lithography in Macroscopic Observations

De-Zhong Cao (1) , Kaige Wang (2 , 1) ((1) Department of Physics , Applied Optics Beijing Area Major Laboratory , Beijing Normal University , Beijing , China , (2) CCAST (World Laboratory)

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classification 🪐 quant-ph

keywords lithographyintensityinterferencemeasurementquantumspdcvisibilityapplication

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We study the generalized Young's double-slit interference for the beam produced in the spontaneously parametric down-conversion (SPDC). We find that the sub-wavelength lithography can occur macroscopically in both the two-photon intensity measurement and the single-photon spatial intensity correlation measurement. We show the visibility and the strength of the interference fringe related to the SPDC interaction. It may provide a strong quantum lithography with a moderate visibility in practical application.

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Quantum Lithography in Macroscopic Observations

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