Purdue University engineers have developed a quantum random walk method that could eventually allow computers to sift through data at incredibly fast speeds.
A random walk involves an agent randomly moving to the right or left at each time interval, while a quantum agent can move to right and left simultaneously at each step.
Purdue's Andrew Weiner said the new technique employs photons at specific colors or frequencies, which he described as "the quantum walk of the rainbow." The photons randomly change colors in a quantum manner during the walk, and this method can be conducted at room temperature because it uses photons rather than superconducting quantum bits.
Performing experiments with integrated photonics and other elements used in lightwave or optical communication also reduces costs and adds compatibility with fiber-optics communications infrastructure.
From Purdue University News
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