Albin Hedse
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View article: Direct Visualization of Confinement and Many‐Body Correlation Effects in 2D Spectroscopy of Quantum Dots
Direct Visualization of Confinement and Many‐Body Correlation Effects in 2D Spectroscopy of Quantum Dots Open
The size tunable color of colloidal semiconductor quantum dots (QDs) is probably the most elegant illustration of the quantum confinement effect. As explained by the simple “particle‐in‐a‐box” model, the transition energies between the lev…
View article: Pulse overlap artifacts and double quantum coherence spectroscopy
Pulse overlap artifacts and double quantum coherence spectroscopy Open
The double quantum coherence (DQC) signal in nonlinear spectroscopy gives information about the many-body correlation effects not easily available by other methods. The signal is short-lived, consequently, a significant part of it is gener…
View article: Beating signals in CdSe quantum dots measured by low-temperature 2D spectroscopy
Beating signals in CdSe quantum dots measured by low-temperature 2D spectroscopy Open
Advances in ultrafast spectroscopy can provide access to dynamics involving nontrivial quantum correlations and their evolutions. In coherent 2D spectroscopy, the oscillatory time dependence of a signal is a signature of such quantum dynam…
View article: Excited States and Their Dynamics in CdSe Quantum Dots Studied by Two-Color 2D Spectroscopy
Excited States and Their Dynamics in CdSe Quantum Dots Studied by Two-Color 2D Spectroscopy Open
Quantum dots (QDs) form a promising family of nanomaterials for various applications in optoelectronics. Understanding the details of the excited-state dynamics in QDs is vital for optimizing their function. We apply two-color 2D electroni…
View article: Manipulation and application of laser light using spatial light modulation
Manipulation and application of laser light using spatial light modulation Open
Attosecond pulses obtained via high harmonic generation often suffer from chromatic aberration. This is inherent from the generation process as a consequence of the spatial profile of the driving laser pulses. Consequently, the focus posit…