Scientists in Australia have for the first time demonstrated the protection of correlated states between paired photons—packets of light energy—using the intriguing physical concept of topology. This experimental breakthrough opens a pathway to build a new type of quantum bit, the building blocks for quantum computers.
The research, developed in close collaboration with Israeli colleagues, is published today in the prestigious journal, Science, a recognition of the foundational importance of this work.
“We can now propose a pathway to build robust entangled states for logic gates using protected pairs of photons,” said lead author Dr. Andrea Blanco-Redondo at the University of Sydney Nano Institute.
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