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A five-country research team coordinated by Germán J. de Valcárcel Gonzalvo, Professor of Optics at the University of Valencia, has developed a new theory —the coherent master equation— that describes the behavior of pulsed lasers based on fast materials and highlights its effects of quantum coherence (the ability of material and light electrons to oscillate in unison for some time). These lasers can emit intense pulses of light of one billionth of a second at a constant rate and have great technological and scientific impact.
The research, published this Thursday in the journal Nature Communications, opens the door to the design of new types of lasers, especially with semiconductor materials, from quantum theory, which describes in particular the interactions between of matter and luminous radiation electrons.
ML - Lasers - Variety - Applications - Microscopy
Mode-locked (ML) pulsed lasers find a wide variety of applications in medical-surgical, microscopy, spectroscopy or telecommunications techniques, as well as in basic science experiments that enable research on fundamental phenomena. They are also important in precision metrology based on optical frequency combs (a type of radiation used, among others, in GPS or remote sensing technologies), which earned John L. Hall and Theodor W. Hunsch the Nobel Prize in Physics...
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