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Engineers Boost Quantum Light Sources with New Coating

10/4/2025

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Summary

Story summary

Northwestern University engineers coat tungsten diselenide with PTCDA to boost quantum light sources, raising spectral purity by 87% and enabling energy shifts.
The advance improves reliable single-photon generation for quantum communication and computing.
Funding from the U.S. Department of Energy and the National Science Foundation supports publication in Science Advances, with applications for secure communications and ultra-precise sensors.

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Story summary

Northwestern University engineers coat tungsten diselenide with PTCDA to boost quantum light sources, raising spectral purity by 87% and enabling energy shifts.
The advance improves reliable single-photon generation for quantum communication and computing.
Funding from the U.S. Department of Energy and the National Science Foundation supports publication in Science Advances, with applications for secure communications and ultra-precise sensors.