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The coherent control of bright excitons in InAs quantum dots is demonstrated by combining heterodyne spectral interferometry with nonlinear multi-wave mixing. The spectro-temporal shape of the coherent emission from InAs quantum dots is manipulated at will.
Scientists demonstrate the temporal analogue of ghost imaging with temporal resolution at the picosecond level. The approach is insensitive to temporal distortion that may occur after the object, and is scalable and can be integrated on-chip.
Single Xe clusters are superheated using an intense optical laser pulse and the structural evolution is imaged with a single X-ray pulse. Ultrafast surface softening on the nanometre scale is resolved within 100 fs at the vacuum/sample interface.
Intrinsic Fano interference in a strongly coupled quantum dot/photonic crystal cavity system is controlled to remove most of the coherently scattered light. This result leads to the first experimental observation of the dynamic Mollow triplet.
Using the attosecond streak camera method, researchers measure the temporal characteristics of coherent, spatially separated attosecond pulses generated from the attosecond lighthouse.
Direct measurement of the electric field of light in the near-infrared is experimentally demonstrated, showing that careful optical filtering allows the time-resolved detection of electric field oscillations with half-cycle durations as short as 2.1 fs, even with a 5 fs sampling pulse.
The refractive index and absorption coefficient of a medium in the infrared range are measured using visible spectral range components. The technique relies on nonlinear interference of infrared and visible photons, produced by down-conversion.
