An optical comb, for example optical frequency comb, consists of a series of evenly spaced, phase-stable, narrow-linewidth spectral lines, forming an orderly and regular spectrum that resembles the ...
A pulse of light sets the tempo in the material. Atoms in a crystalline sheet just a few atoms thick begin to move—not randomly, but in a coordinated rhythm, twisting and untwisting in sync like ...
A team of researchers from the Max Born Institute (MBI) in Berlin and DESY in Hamburg has demonstrated a plasma lens capable of focusing attosecond pulses. This breakthrough substantially increases ...
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