Feature
Weaving the Rainbow: Space-Time Optical Wave Packets
Spatio-temporal structuring affords new opportunities for controlling pulsed optical beams.
[Getty Images]
In his 1820 poem “Lamia,” the English Romantic John Keats memorably compared Newton’s famous experiment resolving the spectrum of white light with a prism to “unweaving a rainbow.” But what about the opposite process—“weaving a rainbow” by combining different wavelengths, each precisely associated with a specific spatial frequency?
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