Novel Research on Quantum Optics Simulations and Quantum Simulators

A special issue of Optics (ISSN 2673-3269).

Deadline for manuscript submissions: closed (20 December 2022) | Viewed by 3620

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Department of Physics, University of Ottawa, Ottawa, ON K1N 6N5, Canada
Interests: quantum simulators; quantum optics; time crystals; electronic structure of solids
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Dear Colleagues,

Quantum simulators and quantum simulations have captured the interest of the scientific community specifically in the past two decades. Though they were first theoretically proposed by the world-renowned physicist Richard. P. Feynman during the 1980s, it was not until the first years of the 21st century that the first quantum simulators appeared in laboratories around the world. One of the key features of lab-based quantum simulators is that they provide a versatile means by which one may simulate many condensed matter as well as quantum optical phenomena which was otherwise deemed impossible with old methods. Furthermore, quantum simulators pave the way for the development of quantum computers as they promise to drastically minimize processing times and increase the capacity and performance efficiencies by magnitudes that have previously only been theorized. Quantum simulators have been realized on a number of experimental platforms, including systems of ultracold quantum gases, trapped ions, photonic systems, quantum dots, and superconducting circuits. This Special Issue of Optics serves as a professional international medium for the publication of research in quantum simulations and, specifically, optical quantum simulators. Areas of interest broadly include experimental and theoretical research simulations of condensed matter phenomena via photonic-based quantum simulators. The focus is on gaining physical insights into the properties and potential applications of optical quantum simulators. The main aim of this Special Issue is to publish the latest research results and most recent developments at the frontier of quantum simulations.

Dr. Farshad Nejadsattari
Guest Editor

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Keywords

  • quantum simulations
  • quantum simulators
  • quantum walks
  • photonic quantum walks
  • low-dimensional quantum optical simulators
  • photonic-based processors
  • quantum systems
  • quantum computers
  • universal quantum computation
  • trapped ions
  • ultracold quantum gases
  • photonic systems
  • quantum dots
  • superconducting circuits

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Published Papers (1 paper)

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Research

15 pages, 1123 KiB  
Article
Analysis of Decoherence in Linear and Cyclic Quantum Walks
by Mahesh N. Jayakody, Asiri Nanayakkara and Eliahu Cohen
Optics 2021, 2(4), 236-250; https://doi.org/10.3390/opt2040022 - 22 Oct 2021
Cited by 3 | Viewed by 2726
Abstract
We theoretically analyze the case of noisy Quantum walks (QWs) by introducing four qubit decoherence models into the coin degree of freedom of linear and cyclic QWs. These models include flipping channels (bit flip, phase flip and bit-phase flip), depolarizing channel, phase damping [...] Read more.
We theoretically analyze the case of noisy Quantum walks (QWs) by introducing four qubit decoherence models into the coin degree of freedom of linear and cyclic QWs. These models include flipping channels (bit flip, phase flip and bit-phase flip), depolarizing channel, phase damping channel and generalized amplitude damping channel. Explicit expressions for the probability distribution of QWs on a line and on a cyclic path are derived under localized and delocalized initial states. We show that QWs which begin from a delocalized state generate mixture probability distributions, which could give rise to useful algorithmic applications related to data encoding schemes. Specifically, we show how the combination of delocalzed initial states and decoherence can be used for computing the binomial transform of a given set of numbers. However, the sensitivity of QWs to noisy environments may negatively affect various other applications based on QWs. Full article
(This article belongs to the Special Issue Novel Research on Quantum Optics Simulations and Quantum Simulators)
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