360 citations · 1.7k across the 39 of their papers we have counts for
43 papers
Entanglement and Optical Nonreciprocity in spontaneous Raman Scattering
Frank Schlawin
Inelastic light scattering is a central tool for sample characterization and label-free imaging across the physical and life sciences. Recent work has suggested that scattered ligh…
Quantum computation at the edge of chaos
Tomohiro Hashizume, Zhengjun Wang, Frank Schlawin +1
A key challenge in classical machine learning is to mitigate overparameterization by selecting sparse solutions. We translate this concept to the quantum domain, introducing quantu…
Theory for Entangled-Photons Stimulated Raman Scattering versus Nonlinear Absorption for Polyatomic Molecules
Mingran Zhang, Jiahao Joel Fan, Frank Schlawin +1
Quantum entanglement offers an incredible resource for enhancing the sensing and spectroscopic probes. Here we develop a microscopic theory for the stimulated Raman scattering (SRS…
Non-Markovian dynamics in nonstationary Gaussian baths: a hierarchy of pure states approach
Vladislav Sukharnikov, Stasis Chuchurka, Frank Schlawin
Building on the standard hierarchy of pure states (HOPS) approach, we construct a generalized formulation suitable for open quantum systems interacting with nonstationary Gaussian…
Magnetization of electronic ground states in frustrated superstable graphs
F. P. M. Méndez-Córdoba, J. Tindall, D. Jaksch +1
Geometric frustration lies at the heart of many unconventional quantum phases in strongly interacting electron systems. Here, we analytically determine the ground state magnetizati…
Enhanced multiphoton ionization driven by quantum light
Valeriia P. Kosheleva, Shahram Panahiyan, Angel Rubio +1
We present a framework for multiphoton ionization driven by arbitrary quantum states of light. Our simulations predict that cross sections can be enhanced by more than two orders o…
Ultimate resolution limits in coherent anti-Stokes Raman scattering imaging
Giacomo Sorelli, Manuel Gessner, Frank Schlawin
Coherent anti-Stokes Raman scattering is a widely used imaging technique that provides chemical contrast without the need for labels, making it an extremely valuable tool in physic…
Enhancing Measurement Precision of Non-Degenerate Two-Photon Absorption
Gaurav Shukla, Shahram Panahiyan, Devendra Kumar Mishra +1
Recent theoretical and experimental studies have shown that squeezed states of light can be engineered to enhance the resolution of nonlinear optical measurements. Here, we analyze…
Theory of Quantum-Enhanced Stimulated Raman Scattering
Frank Schlawin, Manuel Gessner
Stimulated Raman scattering (SRS) is a powerful method for label-free imaging and spectroscopy of materials. Recent experiments have shown that quantum-enhanced Raman scattering ca…
Sparse Optimization of Two-Dimensional Terahertz Spectroscopy
Zhengjun Wang, Hongju Da, Ankit S. Disa +3
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 condensed…
Floquet Schrieffer-Wolff transform based on Sylvester equations
Xiao Wang, Fabio Pablo Miguel Méndez-Córdoba, Dieter Jaksch +1
We present a Floquet Schrieffer Wolff transform (FSWT) to obtain effective Floquet Hamiltonians and micro-motion operators of periodically driven many-body systems for any non-reso…
Two-photon absorption cross sections of pulsed entangled beams
Frank Schlawin
Entangled two-photon absorption (ETPA) could form the basis of nonlinear quantum spectroscopy at very low photon fluxes, since, at sufficiently low photon fluxes, ETPA scales linea…
Excitonic enhancement of cavity-mediated interactions in a two-band Hubbard model
Xiao Wang, Dieter Jaksch, Frank Schlawin
We study cavity-mediated interactions that are generated in a two-dimensional two-band Hubbard model coupled to an optical cavity, when it is driven in-gap by a strong laser. Start…
Nonlinear Interferometry for Quantum-Enhanced Measurements of Multiphoton Absorption
Shahram Panahiyan, Carlos Sánchez Muñoz, Maria V. Chekhova +1
Multiphoton absorption is of vital importance in many spectroscopic, microscopic or lithographic applications. However, given that it is an inherently weak process, the detection o…
Two-photon absorption measurements in the presence of single-photon losses
Shahram Panahiyan, Carlos Sánchez Muñoz, Maria V. Chekhova +1
We discuss how two-photon absorption (TPA) of squeezed and coherent states of light can be detected in measurements of the transmitted light fields. Such measurements typically suf…
Cavity Quantum Materials
Frank Schlawin, Dante M. Kennes, Michael A. Sentef
The emergent field of cavity quantum materials bridges collective many-body phenomena in solid-state platforms with strong light-matter coupling in cavity quantum electrodynamics (…
Higgs mode stabilization by photo-induced long-range interactions in a superconductor
Hongmin Gao, Frank Schlawin, Dieter Jaksch
We show that low-lying excitations of a 2D BCS superconductor are significantly altered when coupled to an externally driven cavity, which induces controllable long-range attractiv…
Optimization of selective two-photon absorption in cavity polaritons
Edoardo G. Carnio, Andreas Buchleitner, Frank Schlawin
We investigate optimal states of photon pairs to excite a target transition in a multilevel quantum system. With the help of coherent control theory for two-photon absorption with…
Direct detection of odd-frequency superconductivity via time- and angle-resolved photoelectron fluctuation spectroscopy
Viktoriia Kornich, Frank Schlawin, Michael A. Sentef +1
We propose a measurement scheme to directly detect odd-frequency superconductivity via time- and angle-resolved photoelectron fluctuation spectroscopy. The scheme includes two cons…
How to optimize the absorption of two entangled photons
Edoardo G Carnio, Andreas Buchleitner, Frank Schlawin
We investigate how entanglement can enhance two-photon absorption in a three-level system. First, we employ the Schmidt decomposition to determine the entanglement properties of th…
Quantum metrology of two-photon absorption
Carlos Sánchez Muñoz, Gaetano Frascella, Frank Schlawin
Two-photon absorption (TPA) is of fundamental importance in super-resolution imaging and spectroscopy. Its nonlinear character allows for the prospect of using quantum resources, s…
Lieb's Theorem and Maximum Entropy Condensates
J. Tindall, F. Schlawin, M. Sentef +1
Coherent driving has established itself as a powerful tool for guiding a many-body quantum system into a desirable, coherent non-equilibrium state. A thermodynamically large system…
Analytical Solution for the Steady States of the Driven Hubbard model
Joseph Tindall, Frank Schlawin, Michael A. Sentef +1
Under the action of coherent periodic driving a generic quantum system will undergo Floquet heating and continously absorb energy until it reaches a featureless thermal state. The…
Continuously parametrized quantum simulation of molecular electron transfer reactions
Frank Schlawin, Manuel Gessner, Andreas Buchleitner +2
A comprehensive description of molecular electron transfer reactions is essential for our understanding of fundamental phenomena in bio-energetics and molecular electronics. Experi…