Perturbed free induction decay obscures early time dynamics in two-dimensional electronic spectroscopy: The case of semiconductor nanocrystals
Two-dimensional electronic spectroscopy (2DES) has recently been gaining popularity as
an alternative to the more common transient absorption spectroscopy due to the …
an alternative to the more common transient absorption spectroscopy due to the …
Observation of parallel intersystem crossing and charge transfer-state dynamics in [Fe (bpy) 3] 2+ from ultrafast 2D electronic spectroscopy
Transition metal-based charge-transfer complexes represent a broad class of inorganic
compounds with diverse photochemical applications. Charge-transfer complexes based on …
compounds with diverse photochemical applications. Charge-transfer complexes based on …
Multidimensional Terahertz Probes of Quantum Materials
A Liu - arXiv preprint arXiv:2409.03719, 2024 - arxiv.org
Multidimensional spectroscopy has a long history originating from nuclear magnetic
resonance, and has now found widespread application at infrared and optical frequencies …
resonance, and has now found widespread application at infrared and optical frequencies …
Exciton-carrier coupling in a metal halide perovskite nanocrystal assembly probed by two-dimensional coherent spectroscopy
The surface chemistry and inter-connectivity within perovskite nanocrystals play a critical
role in determining the electronic interactions. They manifest in the Coulomb screening of …
role in determining the electronic interactions. They manifest in the Coulomb screening of …
Investigations of coherence in perovskite quantum dots with classical and quantum light
Perovskite quantum dots (PQDs) with different compositions have shown promise for
applications in light-emitting devices, photovoltaic devices, and quantum optical …
applications in light-emitting devices, photovoltaic devices, and quantum optical …
An Exact Expression for Multidimensional Spectroscopy of a Spin‐Boson Hamiltonian
A Liu - Advanced Quantum Technologies, 2024 - Wiley Online Library
Multidimensional coherent spectroscopy is a powerful tool to characterize nonlinear optical
response functions. Typically, multidimensional spectra are interpreted via a perturbative …
response functions. Typically, multidimensional spectra are interpreted via a perturbative …
Sparse Optimization of Two-Dimensional Terahertz Spectroscopy
Two-dimensional terahertz spectroscopy (2DTS) is a low-frequency analogue of two-
dimensional optical spectroscopy that is rapidly maturing as a probe of a wide variety of …
dimensional optical spectroscopy that is rapidly maturing as a probe of a wide variety of …
Measuring Exciton Fine-Structure in Randomly Oriented Perovskite Nanocrystal Ensembles Using Nonlinear Optical Spectroscopy: Theory
A Liu - Nanomaterials, 2022 - mdpi.com
Lead halide perovskite nanocrystals (PNCs) exhibit unique optoelectronic properties, many
of which originate from a purported bright-triplet exciton fine-structure. A major impediment …
of which originate from a purported bright-triplet exciton fine-structure. A major impediment …
Measuring exciton-phonon coupling in semiconductor nanocrystals
At low excitation density, the dynamics of excitons in semiconductor nanocrystals are largely
dictated by their interactions with the underlying atomic lattice. This exciton-phonon coupling …
dictated by their interactions with the underlying atomic lattice. This exciton-phonon coupling …
[PDF][PDF] Photon Echoes of Excitons in Organic-Inorganic Perovskites and (In, Ga) As Quantum Dots
S Grisard - 2023 - eldorado.tu-dortmund.de
Photon echoes emerge from the delayed optical response of inhomogeneous ensembles of
emitters upon resonant laser excitation. In semiconductors, they allow to uncover internal …
emitters upon resonant laser excitation. In semiconductors, they allow to uncover internal …