77 citations · 327 across the 23 of their papers we have counts for
24 papers
Quantum Algorithms for Computational Fluid Dynamics
Mario Guillaume Cecile, Nis-Luca van Hülst, Tomohiro Hashizume +19
We present a comprehensive review of quantum approaches for solving partial differential equations (PDEs) arising in computational fluid dynamics (CFD). We examine fully quantum ap…
Minimum Toffoli depth for the multi-controlled Toffoli gate via teleportation
Spyros Tserkis, Muhammad Umer, Eleftherios Mastorakis +1
The decomposition of complex quantum operations into experimentally feasible gate sets has been a central challenge since the early development of quantum computing. The multi-cont…
Depth optimization of CNOT ladder circuits
Spyros Tserkis, Muhammad Umer, Dimitris G. Angelakis
The increasing depth of quantum circuits presents a major limitation for the execution of quantum algorithms, as the limited coherence time of physical qubits leads to noise that m…
Improving Gaussian channel simulation using non-unity gain heralded quantum teleportation
Biveen Shajilal, Lorcán O. Conlon, Angus Walsh +5
Gaussian channel simulation is an essential paradigm in understanding the evolution of bosonic quantum states. It allows us to investigate how such states are influenced by the env…
Distributed Quantum Computing in Silicon
Photonic Inc, :, Francis Afzal +69
Commercially impactful quantum algorithms such as quantum chemistry and Shor's algorithm require a number of qubits and gates far beyond the capacity of any existing quantum proces…
Cavity-Mediated Molecular Entanglement and Generation of Non-Classical States of Light
Davis M. Welakuh, Spyros Tserkis, Scott E. Smart +1
The generation and control of entanglement in a quantum mechanical system is a critical element of nearly all quantum applications. Molecular systems are a promising candidate, wit…
On the equivalence between squeezing and entanglement potential for two-mode Gaussian states
Bohan Li, Aritra Das, Spyros Tserkis +3
The maximum amount of entanglement achievable under passive transformations by continuous-variable states is called the entanglement potential. Recent work has demonstrated that th…
Simulation of open quantum systems via low-depth convex unitary evolutions
Joseph Peetz, Scott E. Smart, Spyros Tserkis +1
Simulating physical systems on quantum devices is one of the most promising applications of quantum technology. Current quantum approaches to simulating open quantum systems are st…
Quantifying total correlations in quantum systems through the Pearson correlation coefficient
Spyros Tserkis, Syed M. Assad, Ping Koy Lam +1
Conventionally the total correlations within a quantum system are quantified through distance-based expressions such as the relative entropy or the square-norm. Those expressions i…
Quantum-optimal information encoding using noisy passive linear optics
Andrew Tanggara, Ranjith Nair, Syed Assad +5
The amount of information that a noisy channel can transmit has been one of the primary subjects of interest in information theory. In this work we consider a practically-motivated…
Surpassing the repeaterless bound with a photon-number encoded measurement-device-independent quantum key distribution protocol
Ozlem Erkilic, Lorcan Conlon, Biveen Shajilal +5
Decoherence is detrimental to quantum key distribution (QKD) over large distances. One of the proposed solutions is to use quantum repeaters, which divide the total distance betwee…
Information back-flow in quantum non-Markovian dynamics and its connection to teleportation
Spyros Tserkis, Kade Head-Marsden, Prineha Narang
A quantum process is called non-Markovian when memory effects take place during its evolution. Quantum non-Markovianity is a phenomenon typically associated with the information ba…
Optimal probes for continuous variable quantum illumination
Mark Bradshaw, Lorcan O. Conlon, Spyros Tserkis +3
Quantum illumination is the task of determining the presence of an object in a noisy environment. We determine the optimal continuous variable states for quantum illumination in th…
Multipartite Gaussian Entanglement of Formation
Sho Onoe, Spyros Tserkis, Austin P. Lund +1
Entanglement of formation is a fundamental measure that quantifies the entanglement of bipartite quantum states. This measure has recently been extended into multipartite states ta…
Maximum entanglement of formation for a two-mode Gaussian state over passive operations
Spyros Tserkis, Jayne Thompson, Austin P. Lund +4
We quantify the maximum amount of entanglement of formation (EoF) that can be achieved by continuous-variable states under passive operations, which we refer to as EoF-potential. F…
Switchable bipartite and genuine tripartite entanglement via an optoelectromechanical interface
Cheng Jiang, Spyros Tserkis, Kevin Collins +3
Controllable multipartite entanglement is a crucial element in quantum information processing. Here we present a scheme that generates switchable bipartite and genuine tripartite e…
Teleportation-based collective attacks in Gaussian quantum key distribution
Spyros Tserkis, Nedasadat Hosseinidehaj, Nathan Walk +1
In Gaussian quantum key distribution eavesdropping attacks are conventionally modeled through the universal entangling cloner scheme, which is based on the premise that the whole e…
Quantifying entanglement of formation for two-mode Gaussian states: Analytical expressions for upper and lower bounds and numerical estimation of its exact value
Spyros Tserkis, Sho Onoe, Timothy C. Ralph
Entanglement of formation quantifies the entanglement of a state in terms of the entropy of entanglement of the least entangled pure state needed to prepare it. An analytical expre…
Entanglement properties of a measurement-based entanglement distillation experiment
Hao Jeng, Spyros Tserkis, Jing Yan Haw +5
Measures of entanglement can be employed for the analysis of numerous quantum information protocols. Due to computational convenience, logarithmic negativity is often the choice in…
Tight bounds for private communication over bosonic Gaussian channels based on teleportation simulation with optimal finite resources
Riccardo Laurenza, Spyros Tserkis, Leonardo Banchi +3
Upper bounds for private communication over quantum channels can be derived by adopting channel simulation, protocol stretching, and relative entropy of entanglement. All these ing…
Simulation of Gaussian channels via teleportation and error correction of Gaussian states
Spyros Tserkis, Josephine Dias, Timothy C. Ralph
Gaussian channels are the typical way to model the decoherence introduced by the environment in continuous-variable quantum states. It is known that those channels can be simulated…
Quantifying entanglement in two-mode Gaussian states
Spyros Tserkis, Timothy C. Ralph
Entangled two-mode Gaussian states are a key resource for quantum information technologies such as teleportation, quantum cryptography and quantum computation, so quantification of…
Fisher Information and Atomic Structure
K. Ch. Chatzisavvas, S. T. Tserkis, C. P. Panos +1
We present a comparative study of several information and statistical complexity measures in order to examine a possible correlation with certain experimental properties of atomic…
Quantum Tunneling and Information Entropy in a Double Square Well Potential: Ammonia Molecule
S. T. Tserkis, Ch. C. Moustakidis, S. E. Massen +1
Quantum tunneling is the quantum-mechanical effect where a particle tunnels through a classically forbidden region. Double Square Well Potential (DSWP) is a system where this pheno…