These findings could significantly boost optical quantum computers by making them scalable and affordable without the need for complex equipment.
The key to optical quantum computers is creating photons with identical properties. These indistinguishable and identical photons must then show theThe Hong-Ou-Mandel effect is a two-photon interference central to quantum-based systems. This effect is observed when two identical photons enter a beam-splitter and come out of it together rather than splitting apart.sources exhibit this phenomenon.
The team used thin films of lead-halide perovskite materials as their quantum light source. These materials are Having a well-defined wave function means that their quantum properties, such as polarization, energy spatial mode, and time are consistent and precisely determined. This allows for precise control and manipulation of these properties, enabling accurate encoding, processing, and utilization of quantum information in various quantum technologies and applications.
"The reason other sources are coherent is they're made with the purest materials, and they're made individually one by one atom by atom. So, there's very poor scalability and very poor reproducibility," explained Kaplan in a press release.
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