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Article
Amplified wavelength–time transformation for real-time spectroscopy
Real-time spectroscopy provides invaluable information about the evolution of dynamical processes, especially non-repetitive phenomena. Unfortunately, the continuous acquisition of rapidly varying spectra repr...
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Article
Silicon's time lens
How can we capture ultrafast optical signals in real time? A time lens is one possibility — able to image the temporal profile of a short optical signal, analogous to a conventional lens. Such a device has now...
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Article
Real-time measurements, rare events and photon economics
Rogue events otherwise known as outliers and black swans are singular, rare, events that carry dramatic impact. They appear in seemingly unconnected systems in the form of oceanic rogue waves, stock market cr...
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Article
Fluctuations and correlations in modulation instability
Stochastically driven nonlinear processes are responsible for spontaneous pattern formation and instabilities in numerous natural and artificial systems, including well-known examples such as sand ripples, clo...
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Article
Terahertz control of nanotip photoemission
Nanoscale metallic tips are a useful source of electrons for material characterization. It is now shown how terahertz radiation can provide precision control and enhancement of photoelectron emission from thes...
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Chapter and Conference Paper
THz-Controlled Photoelectron Emission from Nanotips
We introduce terahertz gating and streaking of photoelectron emission at a single nanostructure. The THz-near-field enhancement allows for far-reaching electron trajectory control, including phase-resolved str...
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Article
Resolving the build-up of femtosecond mode-locking with single-shot spectroscopy at 90 MHz frame rate
Mode-locked lasers have enabled some of the most precise measurements ever performed, from attosecond time-domain spectroscopy to metrology with frequency combs. However, such extreme precision belies the comp...