Open Access Published by De Gruyter

Volume 5 Issue 3 - Special Issue: Quantum Photonics

Issue of Nanophotonics

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Contents
Journal Overview

Editorial

Open Access September 10, 2016

Special issue: Quantum photonics

Benjamin Eggleton, Garnett Bryant, Arka Majumdar

Page range: III-III

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Review Articles

Open Access September 3, 2016

Mesoscale cavities in hollow-core waveguides for quantum optics with atomic ensembles

C.M. Haapamaki, J. Flannery, G. Bappi, R. Al Maruf, S.V. Bhaskara, O. Alshehri, T. Yoon, M. Bajcsy

Page range: 392-408

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Abstract

Single-mode hollow-core waveguides loaded with atomic ensembles offer an excellent platform for light–matter interactions and nonlinear optics at low photon levels. We review and discuss possible approaches for incorporating mirrors, cavities, and Bragg gratings into these waveguides without obstructing their hollow cores. With these additional features controlling the light propagation in the hollow-core waveguides, one could potentially achieve optical nonlinearities controllable by single photons in systems with small footprints that can be integrated on a chip. We propose possible applications such as single-photon transistors and superradiant lasers that could be implemented in these enhanced hollow-core waveguides.

Open Access September 3, 2016

Quantum plasmonics: from jellium models to ab initio calculations

Alejandro Varas, Pablo García-González, Johannes Feist, F.J. García-Vidal, Angel Rubio

Page range: 409-426

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Abstract

Light-matter interaction in plasmonic nanostructures is often treated within the realm of classical optics. However, recent experimental findings show the need to go beyond the classical models to explain and predict the plasmonic response at the nanoscale. A prototypical system is a nanoparticle dimer, extensively studied using both classical and quantum prescriptions. However, only very recently, fully ab initio time-dependent density functional theory (TDDFT) calculations of the optical response of these dimers have been carried out. Here, we review the recent work on the impact of the atomic structure on the optical properties of such systems. We show that TDDFT can be an invaluable tool to simulate the time evolution of plasmonic modes, providing fundamental understanding into the underlying microscopical mechanisms.

Open Access September 3, 2016

CMOS-compatible photonic devices for single-photon generation

Chunle Xiong, Bryn Bell, Benjamin J. Eggleton

Page range: 427-439

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Abstract

Sources of single photons are one of the key building blocks for quantum photonic technologies such as quantum secure communication and powerful quantum computing. To bring the proof-of-principle demonstration of these technologies from the laboratory to the real world, complementary metal–oxide–semiconductor (CMOS)-compatible photonic chips are highly desirable for photon generation, manipulation, processing and even detection because of their compactness, scalability, robustness, and the potential for integration with electronics. In this paper, we review the development of photonic devices made from materials (e.g., silicon) and processes that are compatible with CMOS fabrication facilities for the generation of single photons.

Open Access September 3, 2016

Generation and manipulation of entangled photons on silicon chips

Nobuyuki Matsuda, Hiroki Takesue

Page range: 440-455

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Abstract

Integrated quantum photonics is now seen as one of the promising approaches to realize scalable quantum information systems. With optical waveguides based on silicon photonics technologies, we can realize quantum optical circuits with a higher degree of integration than with silica waveguides. In addition, thanks to the large nonlinearity observed in silicon nanophotonic waveguides, we can implement active components such as entangled photon sources on a chip. In this paper, we report recent progress in integrated quantum photonic circuits based on silicon photonics. We review our work on correlated and entangled photon-pair sources on silicon chips, using nanoscale silicon waveguides and silicon photonic crystal waveguides. We also describe an on-chip quantum buffer realized using the slow-light effect in a silicon photonic crystal waveguide. As an approach to combine the merits of different waveguide platforms, a hybrid quantum circuit that integrates a silicon-based photon-pair source and a silica-based arrayed waveguide grating is also presented.

Open Access September 3, 2016

Large-scale quantum photonic circuits in silicon

Nicholas C. Harris, Darius Bunandar, Mihir Pant, Greg R. Steinbrecher, Jacob Mower, Mihika Prabhu, Tom Baehr-Jones, Michael Hochberg, Dirk Englund

Page range: 456-468

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Abstract

Quantum information science offers inherently more powerful methods for communication, computation, and precision measurement that take advantage of quantum superposition and entanglement. In recent years, theoretical and experimental advances in quantum computing and simulation with photons have spurred great interest in developing large photonic entangled states that challenge today’s classical computers. As experiments have increased in complexity, there has been an increasing need to transition bulk optics experiments to integrated photonics platforms to control more spatial modes with higher fidelity and phase stability. The silicon-on-insulator (SOI) nanophotonics platform offers new possibilities for quantum optics, including the integration of bright, nonclassical light sources, based on the large third-order nonlinearity (χ (3) ) of silicon, alongside quantum state manipulation circuits with thousands of optical elements, all on a single phase-stable chip. How large do these photonic systems need to be? Recent theoretical work on Boson Sampling suggests that even the problem of sampling from e30 identical photons, having passed through an interferometer of hundreds of modes, becomes challenging for classical computers. While experiments of this size are still challenging, the SOI platform has the required component density to enable low-loss and programmable interferometers for manipulating hundreds of spatial modes. Here, we discuss the SOI nanophotonics platform for quantum photonic circuits with hundreds-to-thousands of optical elements and the associated challenges. We compare SOI to competing technologies in terms of requirements for quantum optical systems. We review recent results on large-scale quantum state evolution circuits and strategies for realizing high-fidelity heralded gates with imperfect, practical systems. Next, we review recent results on silicon photonics-based photon-pair sources and device architectures, and we discuss a path towards large-scale source integration. Finally, we review monolithic integration strategies for single-photon detectors and their essential role in on-chip feed forward operations.

Open Access September 3, 2016

On-chip continuous-variable quantum entanglement

Genta Masada, Akira Furusawa

Page range: 469-482

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Abstract

Entanglement is an essential feature of quantum theory and the core of the majority of quantum information science and technologies. Quantum computing is one of the most important fruits of quantum entanglement and requires not only a bipartite entangled state but also more complicated multipartite entanglement. In previous experimental works to demonstrate various entanglement-based quantum information processing, light has been extensively used. Experiments utilizing such a complicated state need highly complex optical circuits to propagate optical beams and a high level of spatial interference between different light beams to generate quantum entanglement or to efficiently perform balanced homodyne measurement. Current experiments have been performed in conventional free-space optics with large numbers of optical components and a relatively large-sized optical setup. Therefore, they are limited in stability and scalability. Integrated photonics offer new tools and additional capabilities for manipulating light in quantum information technology. Owing to integrated waveguide circuits, it is possible to stabilize and miniaturize complex optical circuits and achieve high interference of light beams. The integrated circuits have been firstly developed for discrete-variable systems and then applied to continuous-variable systems. In this article, we review the currently developed scheme for generation and verification of continuous-variable quantum entanglement such as Einstein-Podolsky-Rosen beams using a photonic chip where waveguide circuits are integrated. This includes balanced homodyne measurement of a squeezed state of light. As a simple example, we also review an experiment for generating discrete-variable quantum entanglement using integrated waveguide circuits.

Open Access September 3, 2016

Coupling single emitters to quantum plasmonic circuits

Alexander Huck, Ulrik L. Andersen

Page range: 483-495

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Abstract

In recent years, the controlled coupling of single-photon emitters to propagating surface plasmons has been intensely studied, which is fueled by the prospect of a giant photonic nonlinearity on a nanoscaled platform. In this article, we will review the recent progress on coupling single emitters to nanowires towards the construction of a new platform for strong light-matter interaction. The control over such a platform might open new doors for quantum information processing and quantum sensing at the nanoscale and for the study of fundamental physics in the ultrastrong coupling regime.

About this journal

Nanophotonics covers recent international research results, specific developments in the field and novel applications and is published in partnership with Sciencewise. It belongs to the top journals in the field. Nanophotonics focuses on the interaction of photons with nano-structures, such as carbon nano-tubes, nano metal particles, nano crystals, semiconductor nano dots, photonic crystals, tissue and DNA. The journal covers the latest developments for physicists, engineers and material scientists, working in fields related to:

Plasmonics: metallic nanostructures and their optical properties
Meta materials, fundamentals and applications
Nanophotonic concepts and devices for solar energy harvesting and conversion
Near-field optical microscopy
Nanowaveguides and devices
Nano Lasers
Nanostructures, nanoparticles, nanotubes, nanowires, nanofibers
Photonic crystals
Integrated silicon photonics
Semiconductor quantum dots
Quantum optics & Quantum information
Ultrafast and nonlinear pulse propagation in nano materials and structures
Light-matter interaction, optical manipulation techniques
Nano-biophotonics
Optofluidics
Optomechanics
System applications based on nanophotonic devices
Nanofabrication techniques, thin film processing, self-assembly

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Publication Metrics

Average time from submission to initial Editorial Manager assessment: 5 days
Average time from submission to final decision (all article types): 57 days
Average time from acceptance to publication: 13 days

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Early Career Award 2023

The Early Career Award for 2023 is now open and welcoming nominations!

Do you know someone who has made an outstanding contribution to the field of nanophotonics? Nominate them for the Nanophotonics Early Career Award! This prestigious award recognizes four early career scientists annually for their accomplishments. Help them gain the recognition they deserve by submitting a nomination.

The award winners are awarded a prize of 1000 EUR and a waiver for publishing in Nanophotonics without charge.
Visit the award webpage for more information on the award, the criteria, and how to submit your nomination.
This award is fully sponsored by the Nanophotonics journal.

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Celebrating Young Scientists at Conferences

Nanophotonics supports young scientists through the sponsorship of poster awards at global conferences, recognizing the work of over 50 researchers every year. Please visit the winners' gallery to view their accomplishments.

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Special/Topical Issues

Published in 2023:

Quantum Nanophotonics (Guest Editors: Jaehyuck Jang, Minsu Jeong, and Junsuk Rho)
Neural network learning with photonics and for photonic circuit design (Guest Editors: Daniel Brunner, Miguel C. Soriano, and Shanhui Fan)
Nanofabrication (Guest Editors: Maria Farsari, Sang-Hyun Oh, and Joel Yang) 　
Metamaterials and Plasmonics in Asia (Guest Editors: Lei Zhou, JeongWeon Wu, Q-Han Park, Namkyoo Park and Teruya Ishihara)
Nanophotonics in support of Ukrainian Scientists (Guest Editors: Nader Engheta and Nikolay Zheludev; Publishing Editor: Dennis Couwenberg)

Published in 2022:

Photonic Angular Momentum (Guest Editors: Andrew Forbes, Qiwen Zhan and Siddharth Ramachandran)
New Trends in Nanophotonics and Advanced Photonic Materials (Guest Editor: Junsuk Rho)
Metamaterials and Plasmonics in Asia (Guest Editors: Lei Zhou, Tiejun Cui, JeongWeon Wu and Teruya Ishihara)
Tunable Nanophotonics (Guest Editors: Juejun Hu, Arseniy I. Kuznetsov, Volker J. Sorger, and Isabelle Staude)
Novel Two-Dimensional Materials Based Bio-Nanophotonic (Guest Editors: Hans Ågren, Jong Seung Kim and Han Zhang)

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