69 citations · 357 across the 24 of their papers we have counts for
24 papers
Single-Shot Intensity-Correlation Diffractive X-ray Imaging of ICF Plasmas
Kenan Qu, Daniel Bhatti, Nathaniel J. Fisch
X-ray radiography of inertial confinement fusion plasmas is currently limited to several-micron resolution by geometric blur, diffraction, and photon-throughput tradeoffs. We propo…
Linear Optical Schemes to Postselect High-Dimensional Dicke States
Daniel Bhatti, William J. Munro, Seungbeom Chin
Multipartite entanglement is an essential quantum resource for various distributed quantum applications. One promising method for preparing multipartite entanglement is to interfer…
Fault-tolerant modular quantum computing with surface codes using single-shot emission-based hardware
Siddhant Singh, Rikiya Kashiwagi, Kazufumi Tanji +4
Fault-tolerant modular quantum computing requires stabilizer measurements across the modules in a quantum network. For this, entangled states of high quality and rate must be distr…
Linear Program Witness for Network Nonlocality in Arbitrary Networks
Salome Hayes-Shuptar, Daniel Bhatti, Ana Belen Sainz +1
Network nonlocality extends Bell nonlocality to settings with multiple independent sources and parties. Certifying it in quantum information processing tasks requires suitable witn…
Hybrid Quantum Repeater Chains with Atom-based Quantum Processing Units and Quantum Memory Multiplexers
Shin Sun, Daniel Bhatti, Shaobo Gao +2
Quantum repeaters enable the generation of reliable entanglement across long distances despite the underlying channel noise. Nevertheless, realizing quantum repeaters poses a diffi…
Exchange Symmetry in Multiphoton Quantum Interference
Shreya Kumar, Alex E Jones, Daniel Bhatti +1
Photons are bosons, and yet, when prepared in specific entangled states, they can exhibit non-bosonic behaviour. While this phenomenon has so far been studied in two-photon systems…
Distributing graph states with a photon-weaving quantum server
Daniel Bhatti, Kenneth Goodenough
One of the key aims of quantum networks is the efficient distribution of multipartite entangled states among end users. While various architectures have been proposed, each comes w…
Enhancing Quantum Key Distribution with Entanglement Distillation and Classical Advantage Distillation
Shin Sun, Kenneth Goodenough, Daniel Bhatti +1
Realizing secure communication between distant parties is one of quantum technology's main goals. Although quantum key distribution promises information-theoretic security for shar…
Hardware-Efficient Preparation of Graph States on Near-Term Quantum Computers
Sebastian Brandhofer, Ilia Polian, Stefanie Barz +1
Highly entangled quantum states are an ingredient in numerous applications in quantum computing. However, preparing these highly entangled quantum states on currently available qua…
Heralding Higher-Dimensional Bell and Greenberger-Horne-Zeilinger States Using Multiport Splitters
Daniel Bhatti, Stefanie Barz
One of the most important resources for quantum optical experiments and applications are on-demand highly entangled multiphoton quantum states. A promising way of generating them i…
Non-adaptive measurement-based quantum computation on IBM Q
Jelena Mackeprang, Daniel Bhatti, Stefanie Barz
We test the quantumness of IBM's quantum computer IBM Quantum System One in Ehningen, Germany. We generate generalised n-qubit GHZ states and measure Bell inequalities to investiga…
Generating Greenberger-Horne-Zeilinger states using multiport splitters
Daniel Bhatti, Stefanie Barz
Symmetric multiport splitters are versatile tools in optical quantum information processing. They can be used for studying multiparticle scattering, studying distinguishability and…
Experimental entanglement generation using multiport beam splitters
Shreya Kumar, Daniel Bhatti, Alex E. Jones +1
Multi-photon entanglement plays a central role in optical quantum technologies. One way to entangle two photons is to prepare them in orthogonal internal states, for example, in tw…
The power of qutrits for non-adaptive measurement-based quantum computing
Jelena Mackeprang, Daniel Bhatti, Matty J. Hoban +1
Non-locality is not only one of the most prominent quantum features but can also serve as a resource for various information-theoretical tasks. Analysing it from an information-the…
Different Types of Coherence: Young-type Interference versus Dicke Superradiance
D. Bhatti, M. Bojer, J. von Zanthier
Dicke superradiance, i.e., the enhanced spontaneous emission of coherent radiation, is often attributed to radiation emitted by synchronized dipoles coherently oscillating in phase…
Generation of N00N-like interferences with two thermal light sources
Daniel Bhatti, Anton Classen, Raimund Schneider +2
Measuring the th-order intensity correlation function of light emitted by two statistically independent thermal light sources may display N00N-like interferences of arbitrary or…
Directional Dicke Subradiance with Nonclassical and Classical Light Sources
Daniel Bhatti, Raimund Schneider, Steffen Oppel +1
We investigate Dicke subradiance of distant quantum sources in free space, i.e., the spatial emission pattern of spontaneously radiating non-interacting multi-level atoms or multi-…
Quantum Imaging with Incoherently Scattered Light from a Free-Electron Laser
Raimund Schneider, Thomas Mehringer, Giuseppe Mercurio +20
The advent of accelerator-driven free-electron lasers (FEL) has opened new avenues for high-resolution structure determination via diffraction methods that go far beyond convention…
Superresolving Imaging of Irregular Arrays of Thermal Light Sources using Multiphoton Interferences
Anton Classen, Felix Waldmann, Sebastian Giebel +4
We propose to use multiphoton interferences of photons emitted from statistically independent thermal light sources in combination with linear optical detection techniques to recon…
Simulating Dicke like superradiance with classical light sources
D. Bhatti, S. Oppel, R. Wiegner +2
In this paper we investigate the close relationship between Dicke superradiance, originally predicted for an ensemble of two-level atoms in entangled states, and the Hanbury Brown…
Superbunching and Nonclassicality as new Hallmarks of Superradiance
Daniel Bhatti, Joachim von Zanthier, Girish S. Agarwal
Superradiance, i.e., spontaneous emission of coherent radiation by an ensemble of identical two-level atoms in collective states introduced by Dicke in 1954, is one of the enigmati…
Simulating superradiance from higher-order-intensity-correlation measurements: Single atoms
R. Wiegner, S. Oppel, D. Bhatti +2
Superradiance typically requires preparation of atoms in highly entangled multi-particle states, the so-called Dicke states. In this paper we discuss an alternative route where we…
Entanglement of Polarization and Orbital Angular Momentum
Daniel Bhatti, Joachim von Zanthier, Girish S. Agarwal
We investigate two-photon entangled states using two important degrees of freedom of the electromagnetic field, namely orbital angular momentum (OAM) and spin angular momentum. For…
Nonlocal photon correlations and violation of Bell inequalities for spatially separated classical light fields
Daniel Bhatti, Raimund Schneider, Thomas Mehringer +2
It is theoretically and experimentally shown that photons emitted by statistically independent incoherent classical light sources and measured in the far field in spatially separat…