360 citations · 1.1k across the 30 of their papers we have counts for
31 papers
Beating the standard quantum limit with single-photon-added coherent states
Pankaj K. Jha, Lakshya Nagpal, Amir Targholizadeh +2
The standard quantum limit (SQL), also known as the shot-noise limit, defines how quantum fluctuations of light constrain measurement precision. In a benchmark experiment using the…
Photon-resolved Floquet theory approach to spectroscopic quantum sensing
Georg Engelhardt, Konstantin Dorfman, Zhedong Zhang
Spectroscopic methods play a vital role in quantum sensing, which uses the quantized nature of atoms or molecules to reach astonishing precision for sensing of, e.g., electric or m…
Catching the geometric phase effect around conical intersection in molecules by high order harmonic spectroscopy
Guanglu Yuan, Ruifeng Lu, Shicheng Jiang +1
Nonadiabatic dynamics around an avoid crossing or a conical intersection play a crucial role in the photoinduced processes of most polyatomic molecules. The present work shows that…
Coherence enhanced quantum-dot heat engine
Jaegon Um, Konstantin E. Dorfman, Hyunggyu Park
We show that quantum coherence can enhance the performance of a continuous quantum heat engine in the Lindblad description. We investigate the steady-state solutions of the particl…
Interferometric-Spectroscopy With Quantum-Light; Revealing Out-of-Time-Ordering Correlators
Shahaf Asban, Konstantin E. Dorfman, Shaul Mukamel
We survey the inclusion of interferometric elements in nonlinear spectroscopy performed with quantum light. Controlled interference of electromagnetic fields coupled to matter can…
Incoherent control of optical signals; quantum heat engine approach
Md Qutubuddin, Konstantin E. Dorfman
Optical pump-probe signals can be viewed as work done by the matter while transferring the energy between two coherent baths (from pump to probe). In thermodynamics a heat engine,…
Hong-Ou-Mandel interferometry and spectroscopy using entangled photons
Konstantin E. Dorfman, Shahaf Asban, Bing Gu +1
Optical interferometry has been a long-standing setup for characterization of quantum states of light. Both the linear and the nonlinear interferences can provide information about…
Revealing topological phase in Pancharatnam-Berry metasurfaces using mesoscopic electrodynamics
Zhanjie Gao, Sandeep Golla, Rajath Sawant +6
Relying on the local orientation of nanostructures, Pancharatnam-Berry metasurfaces are currently enabling a new generation of polarization-sensitive optical devices. A systematica…
Quantum phase-sensitive diffraction and imaging using entangled photons
Shahaf Asban, Konstantin E. Dorfman, Shaul Mukamel
We propose a novel quantum diffraction imaging technique whereby one photon of an entangled pair is diffracted off a sample and detected in coincidence with its twin. The image is…
Monitoring Spontaneous Charge-density Fluctuations by Single-molecule Diffraction of Quantum Light
Konstantin E. Dorfman, Shahaf Asban, Lyuzhou Ye +3
Homodyne X-ray diffraction signals produced by classical light and classical detectors are given by the modulus square of the charge density in momentum space $\left|σ(\mathbf{q})\…
Efficiency at Maximum Power of Laser Quantum Heat Engine Enhanced by Noise-Induced Coherence
Konstantin E. Dorfman, Dazhi Xu, Jianshu Cao
Quantum coherence has been demonstrated in various systems including organic solar cells and solid state devices. In this letter, we report the lower and upper bounds for the perfo…
Nonlinear optical signals and spectroscopy with quantum light
Konstantin E. Dorfman, Frank Schlawin, Shaul Mukamel
Conventional nonlinear spectroscopy uses classical light to detect matter properties through the variation of its response with frequencies or time delays. Quantum light opens up n…
Time-and-frequency gated photon coincidence counting; a novel multidimensional spectroscopy tool
Konstantin E. Dorfman, Shaul Mukamel
Coherent multidimensional optical spectroscopy techniques are broadly applied across the electromagnetic spectrum ranging from NMR to the UV. These reveal properties of matter thro…
Catching Conical Intersections in the Act; Monitoring Transient Electronic Coherences by Attosecond Stimulated X-Ray Raman Signals
Markus Kowalewski, Kochise Bennett, Konstantin E. Dorfman +1
Conical intersections (CoIn) dominate the pathways and outcomes of virtually all photophysical and photochemical molecular processes. Despite extensive experimental and theoretical…
Detecting Electronic Coherence by Multidimensional Broadband Stimulated X-Ray Raman Signals
Konstantin E. Dorfman, Kochise Bennett, Shaul Mukamel
Nonstationary molecular states which contain electronic coherences can be impulsively created and manipulated by using recently-developed ultrashort optical and X-ray pulses via ph…
Nonlinear fluctuations and dissipation in matter revealed by quantum light
Shaul Mukamel, Konstantin E. Dorfman
Quantum optical fields offer numerous control knobs which are not available with classical light and may be used for monitoring the properties of matter by novel types of spectrosc…
Stochastic Liouville Equations for Femtosecond Stimulated Raman Spectroscopy
Bijay Kumar Agarwalla, Hideo Ando, Konstantin E. Dorfman +1
Electron and vibrational dynamics of molecules are commonly studied by subjecting them to two interactions with a fast actinic pulse that prepares them in a nonstationary state and…
Evaluation of optical probe signals from nonequilibrium systems
Bijay Kumar Agarwalla, Konstantin E. Dorfman, Shaul Mukamel
We predict several effects associated with the optical response of systems prepared in a nonequilibrium state by impulsive optical excitations. The linear response depends on the p…
Stimulated Raman Spectroscopy with Entangled Light; Enhanced Resolution and Pathway Selection
Konstantin E. Dorfman, Frank Schlawin, Shaul Mukamel
We propose a novel femtosecond stimulated Raman spectroscopy (FSRS) technique that combines entangled photons with interference detection to select matter pathways and enhance the…
Time-, Frequency-, and Wavevector-Resolved X-Ray Diffraction from Single Molecules
Kochise Bennett, Jason D. Biggs, Yu Zhang +2
Using a quantum electrodynamic framework, we calculate the off-resonant scattering of a broad-band X-ray pulse from a sample initially prepared in an arbitrary superposition of ele…
Multidimensional spectroscopy with entangled light; loop vs ladder delay scanning protocols
Konstantin E. Dorfman, Shaul Mukamel
Multidimensional optical signals are commonly recorded by varying the delays between time ordered pulses. These control the evolution of the density matrix and are described by lad…
Noise-induced quantum coherence in photosynthetic complexes with multiple energy transfer pathways
Dmitri V. Voronine, Konstantin E. Dorfman, Bin Cao +1
We theoretically investigate exciton relaxation dynamics in molecular aggregates based on model photosynthetic complexes under various conditions of incoherent excitation. We show…
Time-resolved broadband Raman spectroscopies; A unified six-wave-mixing representation
Konstantin E. Dorfman, Benjamin P. Fingerhut, Shaul Mukamel
Excited-state vibrational dynamics in molecules can be studied by an electronically off-resonant Raman process induced by a probe pulse with variable delay with respect to an actin…
Collective resonances in ; a QED study
Konstantin E. Dorfman, Shaul Mukamel
We calculate the third order susceptibility of a pair of 2 level atoms which interact via the exchange of photons. QED corrections to second order in coupling to vacuum f…