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Researchers at the University of Rochester’s Institute of Optics have produced ultrashort, extremely high-energy (chirped) laser pulses using a spectral filter in a Kerr resonator. Kerr resonators, which operate without amplification, are of interest to researchers globally due to their ability to support behaviors that include broadband bursts of light. The pulses created in the work remained stable in low quality-factor resonators, despite large dissipation.
The demonstration used relatively low-quality and inexpensive equipment, the researchers reported. By adding a spectral filter in a Kerr resonator, a type of optical cavity, they were able to manipulate a laser pulse in the resonator to widen its wavefront by separating…READ MORE