Science

Project creates more powerful, versatile ultrafast laser pulse

Project creates more powerful, versatile ultrafast laser pulse

In Physical Review Letters, University of Rochester researchers describe a new device, the “stretched-pulse soliton Kerr resonator,” that creates an ultrafast laser pulse that is freed from the physical limits endemic to sources of laser light and the limits of the sources’ wavelengths. “Simply put, this is the shortest pulse ever from a gain-free fiber source,” says William Renninger, assistant professor of optics. Applications include spectroscopy, frequency synthesis, distance ranging, and pulse generation.

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