466 citations · 1.2k across the 44 of their papers we have counts for
44 papers
Quantum scanning synthetic optical holography
Josué R. León-Torres, Byron Caiza, Nadia Baumann +7
Synthetic optical holography (SOH) introduced holographic reconstruction into scanning optical microscopy, enabling quantitative phase imaging with sequential acquisition and point…
Generation of Tunable Entanglement from Thin-Film Lithium Niobate
Saniya Shinde, Maximilian A. Weissflog, Shaun Lung +7
Entangled photon pairs play a major role in various modern technologies such as quantum imaging, communication, and computing. Conventional photon-pair sources are often based on s…
Toward Spectral Engineering of Squeezed Light in High-Gain PDC
Jatin Kumar, Aleksa Krstić, Sina Saravi +1
We investigated the spectral properties of squeezed light generated via parametric down-conversion in the high-gain regime, considering both unapodized and apodized dispersion-engi…
Noise resilient real-time phase imaging via undetected light
Josué R. León-Torres, Patrick Hendra, Yugant Mukeshbhai Hadiyal +5
Quantum imaging with undetected light has recently emerged as a technique in which quantum correlations and nonlinear interferometry are combined to decouple illumination and detec…
Quantum Phase Gradient Imaging Using a Nonlocal Metasurface System
Jinliang Ren, Jinyong Ma, Katsuya Tanaka +4
Quantum phase imaging enables the analysis of transparent samples with thickness and refractive index variations in scenarios requiring precise measurements under low-light conditi…
Enhanced photon-pair generation from a van der Waals metasurface
Tongmiao Fan, Yilin Tang, Shaun Lung +11
Quantum photon pairs play a pivotal role in many quantum applications. Metasurfaces, two-dimensional arrays of nanostructures, have been studied intensively to enhance and control…
Mid-infrared quantum scanning microscopy via visible light beyond spatial correlations
Josué R. León-Torres, Vasile-Laurentiu Dosan, Marija M. Ćurčić +4
The mid-infrared (MIR) region of the electromagnetic spectrum spans from 2- to 25-, serving as a valuable tool for accessing rich chemical information. Functional grou…
Broadband bright biphotons from periodically poled triple-resonance metasurface
Jihua Zhang, Chaoxin Shi, Jinyong Ma +5
Biphotons from spontaneous parametric down conversion with broad bandwidth are highly wanted in many quantum technologies. However, achieving broad bandwidth in both frequency and…
Experimental realization of scanning quantum microscopy
V. F. Gili, C. Piccinini, M. Safari Arabi +6
Quantum imaging is an ever expanding research field, in which the aim is to exploit the quantum nature of light to enhance image reconstruction capabilities. Despite a number of su…
Generation of tunable quantum entanglement via nonlinearity symmetry breaking in semiconductor metasurfaces
Jinyong Ma, Tongmiao Fan, Tuomas Haggren +10
Tunable biphoton quantum entanglement generated from nonlinear processes is highly desirable for cutting-edge quantum technologies, yet its tunability is substantially constrained…
Fabrication of low-loss lithium niobate on insulator waveguides on the wafer scale
Mohammadreza Younesi, Thomas Kasebier, Ilia Elmanov +8
We report on the wafer scale fabrication of single mode low-loss lithium niobate on insulator waveguides utilizing a chemically amplified resist and an optimized dry etching method…
Enhancing entangled two-photon absorption of Nile Red via temperature-controlled SPDC
Aleksa Krstić, Tobias Bernd Gäbler, Nitish Jain +6
Entangled two-photon absorption can enable a linear scaling of fluorescence emission with the excitation power. In comparison to classical two-photon absorption with a quadratic sc…
Off-axis holographic imaging with undetected light
Josué R. León-Torres, Filip Krajinić, Mohit Kumar +5
Quantum imaging with undetected light (QIUL) can retrieve amplitude and phase information of an object by exploiting the quantum correlations of photon-pairs generated through spon…
Robust Classical and Quantum Polarimetry with a Single Nanostructured Metagrating
Shaun Lung, Kai Wang, Nicolas R. H. Pedersen +2
We formulate a new conceptual approach for one-shot complete polarization state measurement with nanostructured metasurfaces applicable to classical light and multi-photon quantum…
A hybrid source of quantum light for generation of frequency tunable Fock states
Aleksa Krstić, Priyanshu Tiwari, Florian Höhe +4
We propose a scheme for quantum-light generation in a nonlinear cavity hybridized with a 2-level system and theoretically show that, when excited by a series of controlled pump pul…
Directionally Tunable Co- and Counter-Propagating Photon Pairs from a Nonlinear Metasurface
Maximilian A. Weissflog, Jinyong Ma, Jihua Zhang +6
Nonlinear metasurfaces have recently been established as a new platform for generating photon pairs via spontaneous parametric down-conversion. While for classical harmonic generat…
Entangled Photon-pair Generation in Nonlinear Thin-films
Elkin A. Santos, Maximilian A. Weissflog, Thomas Pertsch +2
We develop a fully vectorial and non-paraxial formalism to describe spontaneous parametric down-conversion in nonlinear thin films. The formalism is capable of treating slabs with…
Nonlocal quantum differentiation between polarization objects using entanglement
Vira R. Besaga, Luosha Zhang, Andres Vega +6
For a wide range of applications a fast, non-destructive, remote, and sensitive identification of samples with predefined characteristics is preferred instead of their full charact…
A Tunable Transition Metal Dichalcogenide Entangled Photon-Pair Source
Maximilian A. Weissflog, Anna Fedotova, Yilin Tang +16
Entangled photon-pair sources are at the core of quantum applications like quantum key distribution, sensing, and imaging. Operation in space-limited and adverse environments such…
Experimental analysis on image resolution of quantum imaging with undetected light through position correlations
Marta Gilaberte Basset, René Sondenheimer, Jorge Fuenzalida +7
Image resolution of quantum imaging with undetected photons is governed by the spatial correlations existing between the photons of a photon pair that has been generated in a nonli…
Non-perturbative theory of spontaneous parametric down-conversion in open and dispersive optical systems
Aleksa Krstić, Frank Setzpfandt, Sina Saravi
We develop a non-perturbative formulation based on the Green-function quantization method, that can describe spontaneous parametric down-conversion in the high-gain regime in nonli…
Nonlinear Nanoresonators for Bell State Generation
Maximilian A. Weissflog, Romain Dezert, Vincent Vinel +6
Entangled photon states are a fundamental resource for optical quantum technologies and investigating the fundamental predictions of quantum mechanics. Up to now such states are ma…
Enhanced Surface Second Harmonic Generation in Nanolaminates
Fatemeh Abtahi, Pallabi Paul, Sebastian Beer +6
Second-harmonic generation (SHG) is a second-order nonlinear optical process that is not allowed in media with inversion sym-metry. However, due to the broken symmetry at the surfa…
Pinhole quantum ghost imaging
Andres Vega, Sina Saravi, Thomas Pertsch +1
We propose a quantum ghost imaging scheme based on biphotons, that, by using a collimated pump beam of the right size for biphoton generation, obviates the need for lenses to achie…