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213 Results Found

  • Review
  • Open Access
9 Citations
6,748 Views
12 Pages

6 November 2020

The ongoing digital transformation is bringing a pervasive diffusion of ultra-broadband, fixed-mobile connectivity, the deployment of cloud-native Fifth Generation (5G) infrastructures, edge and fog computing and a wide adoption of artificial intelli...

  • Communication
  • Open Access
4 Citations
2,377 Views
12 Pages

High-Precision Voltage Measurement for Optical Quantum Computation

  • Kamil Wereszczyński,
  • Agnieszka Michalczuk,
  • Marcin Paszkuta and
  • Jacek Gumiela

7 June 2022

This paper presents a theoretical study into the use of optical systems for quantum computation. The study results pertain to quantum sampling and quantum communication and provide a basis for further research and the development of a physical implem...

  • Article
  • Open Access
1 Citations
3,030 Views
19 Pages

Temporal Response of Atoms Trapped in an Optical Dipole Trap: A Primer on Quantum Computing Speed

  • S. Baral,
  • Raghavan K. Easwaran,
  • J. Jose,
  • Aarthi Ganesan and
  • P. C. Deshmukh

10 April 2023

An atom confined in an optical dipole trap is a promising candidate for a qubit. Analyzing the temporal response of such trapped atoms enables us to estimate the speed at which quantum computers operate. The present work models an atom in an optical...

  • Feature Paper
  • Article
  • Open Access
3 Citations
3,202 Views
16 Pages

Novel Application of Quantum Computing for Routing and Spectrum Assignment in Flexi-Grid Optical Networks

  • Oumayma Bouchmal,
  • Bruno Cimoli,
  • Ripalta Stabile,
  • Juan Jose Vegas Olmos,
  • Carlos Hernandez,
  • Ricardo Martinez,
  • Ramon Casellas and
  • Idelfonso Tafur Monroy

30 October 2024

Flexi-grid technology has revolutionized optical networking by enabling Elastic Optical Networks (EONs) that offer greater flexibility and dynamism compared to traditional fixed-grid systems. As data traffic continues to grow exponentially, the need...

  • Article
  • Open Access
1 Citations
1,966 Views
20 Pages

In this work, we present a novel four-channel coherent optical chaotic secure communication (COCSC) system, incorporating four simultaneous photonic reservoir computers in tandem with four coherent demodulation units. We employ a quartet of photonic...

  • Review
  • Open Access
63 Citations
10,472 Views
12 Pages

11 March 2020

Over the last few years, we have witnessed an impressive growth of data traffic and a progressive Digital Transformation of Industry and Society: the deployment of the ultra-broadband and low latency network infrastructures (e.g., 5G) are leading to...

  • Article
  • Open Access
8 Citations
2,899 Views
10 Pages

Metasurface-Based Quantum Searcher on a Silicon-On-Insulator Chip

  • Zeyong Wei,
  • Haoyu Li,
  • Linyuan Dou,
  • Lingyun Xie,
  • Zhanshan Wang and
  • Xinbin Cheng

28 July 2022

Optical analog computing has natural advantages of parallel computation, high speed and low energy consumption over traditional digital computing. To date, research in the field of on-chip optical analog computing has mainly focused on classical math...

  • Review
  • Open Access
23 Citations
7,412 Views
22 Pages

Optical Realization of Wave-Based Analog Computing with Metamaterials

  • Kaiyang Cheng,
  • Yuancheng Fan,
  • Weixuan Zhang,
  • Yubin Gong,
  • Shen Fei and
  • Hongqiang Li

25 December 2020

Recently, the study of analog optical computing raised renewed interest due to its natural advantages of parallel, high speed and low energy consumption over conventional digital counterpart, particularly in applications of big data and high-throughp...

  • Article
  • Open Access
1,987 Views
8 Pages

Demultiplexer of Multi-Order Correlation Interference in Nitrogen Vacancy Center Diamond

  • Xinghua Li,
  • Faizan Raza,
  • Yufeng Li,
  • Jinnan Wang,
  • Jinhao Wang,
  • Hasnain Ali,
  • Luyuan Wang,
  • Yuan Zhao and
  • Yanpeng Zhang

9 November 2021

We reported the second- and third-order temporal interference of two non-degenerate pseudo-thermal sources in a nitrogen-vacancy center (NV). The relationship between the indistinguishability of source and path alternatives is analyzed at low temper...

  • Article
  • Open Access
11 Citations
4,676 Views
13 Pages

4 March 2020

We provide a recipe for the digitalization of linear and nonlinear quantum optics in networks of superconducting qubits. By combining digital techniques with boson-qubit mappings, we address relevant problems that are typically considered in analog s...

  • Article
  • Open Access
1 Citations
1,827 Views
15 Pages

Fast Quantum Gates with Electric Field Pulses and Optical Tweezers in Trapped Ions

  • Clara Robalo Pereira,
  • Liam J. Bond,
  • Matteo Mazzanti,
  • Rene Gerritsma and
  • Arghavan Safavi-Naini

31 May 2025

We propose a two-qubit phase gate based on trapped ions that uses fast electric field pulses and spin-dependent local traps generated by optical tweezers. The phases are engineered by spin-dependent coherent evolution, interspersed with momentum kick...

  • Article
  • Open Access
185 Views
20 Pages

Synthesis, Photophysical Characterization, and Computational Analysis of Novel Bis(oxazolo[5,4-b]pyridine) Derivatives as Terpyridine-Inspired Fluorophores

  • Irina V. Palamarchuk,
  • Aida S. Rakhimzhanova,
  • Svetlana S. Volkova,
  • Alexander S. Novikov,
  • Irina A. Pustolaikina and
  • Ivan V. Kulakov

2 February 2026

Terpyridines are well-known ligands in coordination chemistry, are valued for their conformational flexibility and strong metal-binding properties, and are also of interest as fluorophores. This study focused on the synthesis and comprehensive invest...

  • Article
  • Open Access
22 Citations
7,069 Views
20 Pages

Securing Optical Networks Using Quantum-Secured Blockchain: An Overview

  • Purva Sharma,
  • Kwonhue Choi,
  • Ondrej Krejcar,
  • Pavel Blazek,
  • Vimal Bhatia and
  • Shashi Prakash

20 January 2023

The deployment of optical network infrastructure and development of new network services are growing rapidly for beyond 5/6G networks. However, optical networks are vulnerable to several types of security threats, such as single-point failure, wormho...

  • Communication
  • Open Access
8 Citations
4,909 Views
11 Pages

On the Robustness of Quantum Algorithms for Blockchain Consensus

  • Muhammad Asad Ullah,
  • Jason William Setiawan,
  • Junaid ur Rehman and
  • Hyundong Shin

1 April 2022

Blockchain has revolutionized many fields, such as distributed sensor networks, finance, and cryptocurrency. Consensus between distributed network nodes is at the core of such blockchain technologies. The three primary performance measures for any co...

  • Article
  • Open Access
20 Citations
10,854 Views
9 Pages

Synchronization in Quantum Key Distribution Systems

  • Anton Pljonkin,
  • Konstantin Rumyantsev and
  • Pradeep Kumar Singh

In the description of quantum key distribution systems, much attention is paid to the operation of quantum cryptography protocols. The main problem is the insufficient study of the synchronization process of quantum key distribution systems. This pap...

  • Review
  • Open Access
6 Citations
5,081 Views
10 Pages

Electromagnetic Field in Hybrid Quantum Plasmonic-Photonic Systems

  • Bernardo Barbiellini,
  • Subhabrata Das,
  • Venkatesan Renugopalakrishnan and
  • Ponniseril Somasundaran

We study excitations and quantum optical properties of hybrid networks made up of metal nanoparticles, semiconductor quantum dots and molecules. Such processes can be used for the localization and the guiding of the electromagnetic field. Localized m...

  • Review
  • Open Access
72 Citations
9,833 Views
45 Pages

16 May 2013

Entanglement concentration is of most importance in long distance quantum communication and quantum computation. It is to distill maximally entangled states from pure partially entangled states based on the local operation and classical communication...

  • Review
  • Open Access
16 Citations
10,084 Views
21 Pages

Quantum light sources that generate single photons and entangled photons have important applications in the fields of secure quantum communication and linear optical quantum computing. Self-assembled semiconductor quantum dots, also known as “a...

  • Article
  • Open Access
1,330 Views
9 Pages

Forced Atom Interferometers in Optical Harmonic Potentials

  • Mingjie Xin,
  • Wui Seng Leong,
  • Zilong Chen and
  • Shau-Yu Lan

3 April 2025

We present a study of Doppler-sensitive light-pulse atom interferometers operating within optical dipole potentials, where atomic trajectories are manipulated using momentum transfer from light pulses and optical forces from the trap. Efficient metho...

  • Article
  • Open Access
2 Citations
828 Views
15 Pages

Laser Pulses for Studying Photoactive Spin Centers with EPR

  • George Mamin,
  • Ekaterina Dmitrieva,
  • Fadis Murzakhanov,
  • Margarita Sadovnikova,
  • Sergey Nagalyuk and
  • Marat Gafurov

28 March 2025

Quantum technologies are currently being explored for various applications, including computing, secure communication, and sensor technology. A critical aspect of achieving high-fidelity spin manipulations in quantum devices is the controlled optical...

  • Article
  • Open Access
25 Citations
8,354 Views
20 Pages

Quantum Cryptography—A Simplified Undergraduate Experiment and Simulation

  • Yuval Bloom,
  • Ilai Fields,
  • Alona Maslennikov and
  • Georgi Gary Rozenman

25 January 2022

Quantum cryptography is a topic of considerable interest. A simple and robust experiment and theory for a senior level undergraduate investigation of quantum key distribution are described. In the proposed experiment, key principles from the BB84 pro...

  • Article
  • Open Access
3 Citations
4,322 Views
31 Pages

Quantum technologies are increasingly pervasive, underpinning the operation of numerous electronic, optical and medical devices. Today, we are also witnessing rapid advancements in quantum computing and communication. However, access to quantum techn...

  • Article
  • Open Access
7 Citations
2,769 Views
13 Pages

27 August 2020

Hybrid nanoplasmonic systems can provide a promising platform of potential nonlinear applications due to the enhancement of optical fields near their surfaces in addition to the control of strong light–matter interactions they can afford. We th...

  • Article
  • Open Access
4 Citations
3,808 Views
31 Pages

10 January 2023

The quantum optics of metamaterials starts with the question of whether the same effective-medium theories apply as in classical optics. In general, the answer is negative. For active plasmonics but also for some passive metamaterials, we show that a...

  • Article
  • Open Access
3,183 Views
12 Pages

Four-Qubit Cluster States Generation through Multi-Coin Quantum Walk

  • Tianyi Wang,
  • Xiaoguang Chen and
  • Jianxiong Liang

31 August 2022

Quantum computing requires large numbers of resources of entangled qubits, which cannot be satisfied using traditional methods of entanglement generation, such as optical systems. Therefore, we need more efficient ways of entanglement generation. It...

  • Article
  • Open Access
6 Citations
3,663 Views
21 Pages

Coupling Nanowire Quantum Dots to Optical Waveguides by Microsphere-Induced Photonic Nanojet

  • Symeon I. Tsintzos,
  • Konstantinos Tsimvrakidis,
  • James C. Gates,
  • Ali W. Elshaari,
  • Peter G. R. Smith,
  • Val Zwiller and
  • Christos Riziotis

Silica-on-silicon is a major optical integration platform, while the emergent class of the integrated laser-written circuits’ platform offers additionally high customizability and flexibility for rapid prototyping. However, the inherent wavegui...

  • Article
  • Open Access
3 Citations
2,584 Views
9 Pages

Multi-Channel Polarization Manipulation Based on All-Dielectric Metasurface

  • Susu Hu,
  • Wenhan Du,
  • Dawei Zhang,
  • Weilong Xu,
  • Xiaogang Chen and
  • Xinhua Zhang

10 November 2022

A metasurface is a planar structure that can be utilized to manipulate the amplitude, phase, and polarization of light on a subwavelength scale. Although a variety of functional optical devices based on metasurface have been proposed, the simultaneou...

  • Article
  • Open Access
6 Citations
2,900 Views
27 Pages

Hands-On Quantum Cryptography: Experimentation with the B92 Protocol Using Pulsed Lasers

  • Sara P. Gandelman,
  • Alona Maslennikov and
  • Georgi Gary Rozenman

28 February 2025

Quantum cryptography continues to be an area of significant research and educational interest. Here, a straightforward and reliable approach to both the experimental and theoretical aspects of quantum key distribution is presented, tailored for senio...

  • Feature Paper
  • Article
  • Open Access
11 Citations
3,731 Views
13 Pages

29 July 2022

A first quantum revolution has already brought quantum technologies into our everyday life for decades: in fact, electronics and optics are based on the quantum mechanical principles. Today, a second quantum revolution is underway, leveraging the qua...

  • Article
  • Open Access
1,049 Views
67 Pages

Polar Codes for 6G and Beyond Wireless Quantum Optical Communications

  • Peter Jung,
  • Kushtrim Dini,
  • Faris Abdel Rehim and
  • Hamza Almujahed

8 September 2025

Wireless communication applications above 300 GHz need careful analog electronics design that takes into account the frequency-dependent nature of ohmic resistance at these frequencies. The cumbersome development of electronics brings quantum optical...

  • Article
  • Open Access
1 Citations
2,207 Views
17 Pages

Topology Abstraction-Based Routing Scheme for Secret-Key Provisioning in Hybrid GEO/LEO Quantum Satellite Networks

  • Mingxuan Guo,
  • Yuan Cao,
  • Jiali Zhu,
  • Xingyu Zhou,
  • Chunhui Zhang,
  • Xinyi He,
  • Xiaosong Yu,
  • Yongli Zhao,
  • Jie Zhang and
  • Qin Wang

12 July 2023

Quantum key distribution (QKD) is a promising technique to resist the threat against quantum computers. However, the high loss of quantum signals over a long-distance optical fiber is an obstacle for QKD in the intercontinental domain. In this contex...

  • Article
  • Open Access
55 Citations
18,888 Views
16 Pages

19 April 2016

We present the operational principle of a coherent Ising machine (CIM) based on a degenerate optical parametric oscillator (DOPO) network. A quantum theory of CIM is formulated, and the computational ability of CIM is evaluated by numerical simulatio...

  • Article
  • Open Access
3,713 Views
27 Pages

Quantum Variational vs. Quantum Kernel Machine Learning Models for Partial Discharge Classification in Dielectric Oils

  • José Miguel Monzón-Verona,
  • Santiago García-Alonso and
  • Francisco Jorge Santana-Martín

19 February 2025

In this paper, electrical discharge images are classified using AI with quantum machine learning techniques. These discharges were originated in dielectric mineral oils and were detected by a high-resolution optical sensor. The captured images were p...

  • Article
  • Open Access
22 Citations
4,739 Views
12 Pages

Nonlocal and quantum effects play an important role in accurately modeling the optical response of nanometer-sized metallic nanoparticles. These effects cannot be described by conventional classical theories, as they neglect essential microscopic det...

  • Review
  • Open Access
3 Citations
4,388 Views
69 Pages

Quantum Mechanical Approaches to Strongly Correlated Electron Systems: Structure, Bonding, and Properties of Diradicals, Triradicals, and Polyradicals

  • Satoru Yamada,
  • Isamu Shigemoto,
  • Takashi Kawakami,
  • Hiroshi Isobe,
  • Mitsuo Shoji,
  • Koichi Miyagawa and
  • Kizashi Yamaguchi

The structure, bonding, and properties of diradicals, triradicals, and polyradicals have been investigated using broken symmetry (BS) molecular orbital (MO) and BS density functional theory (DFT) methods, which are regarded as the first steps in the...

  • Review
  • Open Access
1,470 Views
41 Pages

28 November 2025

Quantum computers, due to their superposition and entanglement properties, provide significant advantages in solving certain problems compared with classical computers. Therefore, it is crucial to identify issues that can be efficiently solved by noi...

  • Review
  • Open Access
56 Citations
11,125 Views
26 Pages

Carbon Nanotube Devices for Quantum Technology

  • Andrey Baydin,
  • Fuyang Tay,
  • Jichao Fan,
  • Manukumara Manjappa,
  • Weilu Gao and
  • Junichiro Kono

18 February 2022

Carbon nanotubes, quintessentially one-dimensional quantum objects, possess a variety of electrical, optical, and mechanical properties that are suited for developing devices that operate on quantum mechanical principles. The states of one-dimensiona...

  • Review
  • Open Access
11 Citations
9,819 Views
25 Pages

Quantum Computing and Machine Learning on an Integrated Photonics Platform

  • Huihui Zhu,
  • Hexiang Lin,
  • Shaojun Wu,
  • Wei Luo,
  • Hui Zhang,
  • Yuancheng Zhan,
  • Xiaoting Wang,
  • Aiqun Liu and
  • Leong Chuan Kwek

7 February 2024

Integrated photonic chips leverage the recent developments in integrated circuit technology, along with the control and manipulation of light signals, to realize the integration of multiple optical components onto a single chip. By exploiting the pow...

  • Review
  • Open Access
1 Citations
1,107 Views
35 Pages

25 December 2025

Perovskite crystals, nanocrystals, quantum dots (QDs), and two-dimensional (2D) materials are at the forefront of optoelectronics and quantum optics, offering groundbreaking potential for a wide range of applications, including photovoltaics, light-e...

  • Article
  • Open Access
2 Citations
2,120 Views
19 Pages

Deterministic Shaping of Quantum Light Statistics

  • Garrett D. Compton and
  • Mark G. Kuzyk

We propose a theoretical method for the deterministic shaping of quantum light via photon number state selective interactions. Nonclassical states of light are an essential resource for high-precision optical techniques that rely on photon correlatio...

  • Article
  • Open Access
11 Citations
6,500 Views
11 Pages

13 May 2015

Quantum cryptography allows for unconditionally secure communication against an eavesdropper endowed with unlimited computational power and perfect technologies, who is only constrained by the laws of physics. We review recent results showing that, u...

  • Review
  • Open Access
3 Citations
5,796 Views
31 Pages

Silicon-28-Tetrafluoride as an Educt of Isotope-Engineered Silicon Compounds and Bulk Materials for Quantum Systems

  • Owen C. Ernst,
  • David Uebel,
  • Roman Brendler,
  • Konstantin Kraushaar,
  • Max Steudel,
  • Jörg Acker and
  • Edwin Kroke

5 September 2024

This review provides a summary of the existing literature on a crucial raw material for the production of isotopically pure semiconductors, which are essential for the development of second-generation quantum systems. Silicon-28-tetrafluoride (28SiF4...

  • Communication
  • Open Access
1,719 Views
14 Pages

Design of a Board-Level Integrated Multi-Channel Radio Frequency Source for the Transportable 40Ca+ Ion Optical Clock

  • Bin Wang,
  • Yuanhang Yang,
  • Huaqing Zhang,
  • Ruming Hu,
  • Haicen Mao,
  • Yao Huang,
  • Kelin Gao and
  • Hua Guan

10 February 2025

As one of the most precise timekeeping instruments ever developed, the optical clock will be used as the measuring equipment for the next generation of second definition. The demand for the miniaturization of optical clocks is progressively urgent. I...

  • Article
  • Open Access
14 Citations
2,343 Views
12 Pages

Non-Linear Optical Properties of Biexciton in Ellipsoidal Quantum Dot

  • Yuri Y. Bleyan,
  • Paytsar A. Mantashyan,
  • Eduard M. Kazaryan,
  • Hayk A. Sarkisyan,
  • Gianluca Accorsi,
  • Sotirios Baskoutas and
  • David B. Hayrapetyan

20 April 2022

We have presented a theoretical investigation of exciton and biexciton states for the ground and excited levels in a strongly oblate ellipsoidal quantum dot made from GaAs. The variational trial wave functions for the ground and excited states of the...

  • Article
  • Open Access
34 Citations
9,019 Views
10 Pages

Visible to Infrared Diamond Photonics Enabled by Focused Femtosecond Laser Pulses

  • Belén Sotillo,
  • Vibhav Bharadwaj,
  • John Patrick Hadden,
  • Stefano Rampini,
  • Andrea Chiappini,
  • Toney T. Fernandez,
  • Cristina Armellini,
  • Ali Serpengüzel,
  • Maurizio Ferrari and
  • Shane M. Eaton
  • + 2 authors

17 February 2017

Diamond’s nitrogen-vacancy (NV) centers show great promise in sensing applications and quantum computing due to their long electron spin coherence time and because they can be found, manipulated, and read out optically. An important step forward for...

  • Review
  • Open Access
17 Citations
11,514 Views
23 Pages

Solid-State Color Centers for Single-Photon Generation

  • Greta Andrini,
  • Francesco Amanti,
  • Fabrizio Armani,
  • Vittorio Bellani,
  • Vincenzo Bonaiuto,
  • Simone Cammarata,
  • Matteo Campostrini,
  • Thu Ha Dao,
  • Fabio De Matteis and
  • Valerio Vitali
  • + 30 authors

19 February 2024

Single-photon sources are important for integrated photonics and quantum technologies, and can be used in quantum key distribution, quantum computing, and sensing. Color centers in the solid state are a promising candidate for the development of the...

  • Article
  • Open Access
1,055 Views
17 Pages

Computational Algorithm Based upon Dirichlet Boundary Conditions: Applications to Neutron Holograms

  • Ignacio Molina de la Peña,
  • Maria L. Calvo and
  • Ramón F. Alvarez-Estrada

24 February 2025

Neutron optics is a branch of both neutron physics and quantum physics that focuses on the study of the optical properties of slow neutrons and their dual behavior as both waves and particles. In previous research, we developed a mathematical framewo...

  • Article
  • Open Access
16 Citations
4,778 Views
15 Pages

Quantum Memristors in Frequency-Entangled Optical Fields

  • Tasio Gonzalez-Raya,
  • Joseph M. Lukens,
  • Lucas C. Céleri and
  • Mikel Sanz

14 February 2020

A quantum memristor is a passive resistive circuit element with memory, engineered in a given quantum platform. It can be represented by a quantum system coupled to a dissipative environment, in which a system–bath coupling is mediated through...

  • Review
  • Open Access
6 Citations
5,131 Views
18 Pages

Research Progress of Single-Photon Emitters Based on Two-Dimensional Materials

  • Chengzhi Zhang,
  • Zehuizi Gong,
  • Dawei He,
  • Yige Yan,
  • Songze Li,
  • Kun Zhao,
  • Jiarong Wang,
  • Yongsheng Wang and
  • Xiaoxian Zhang

From quantum communications to quantum computing, single-photon emitters (SPEs) are essential components of numerous quantum technologies. Two-dimensional (2D) materials have especially been found to be highly attractive for the research into nanosca...

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