What is it about?
This work presents a single-photon-sensitive 2D-spectrometer. We show how to make such spectrometer and how it is calibrated, such that other researchers can make use of our method. We used our spectrometer to study the spectral properties of photons produced via Spontaneous Parametric Down-Conversion (SPDC).
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Why is it important?
The technology we report can have many applications, especially when fast and/or broadband spectrometers are needed. Although, we used our spectrometer for characterizing a SPDC source, it can also be used for other kinds of single-photon sources. Additionally, the SPDC source we characterized is commercially available, and the information we report can be relevant to other groups using the same source. The work was done independently from any manufacturer, and any comment is not an endorsement or criticism of any commercial product.
Read the Original
This page is a summary of: Spectral characterization of an SPDC source with a fast broadband spectrometer, AIP Advances, April 2024, American Institute of Physics,
DOI: 10.1063/5.0168423.
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