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Author : Mohannad Al-Hmoud
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (862 download)
Download or read book Quantum Dot Emitters in Planar Photonic Crystal Nanocavities written by Mohannad Al-Hmoud and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mohannad al- Hmoud
Publisher :
ISBN 13 :
Total Pages : 236 pages
Book Rating : 4.:/5 (878 download)
Download or read book Quantum Dot Emitters in Planar Photonic Crystal Nancavities written by Mohannad al- Hmoud and published by . This book was released on 2013 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (727 download)
Download or read book Mid-infrared Quantum Dot Emitters Utilizing Planar Photonic Crystal Technology written by and published by . This book was released on 2008 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: The three-dimensional confinement inherent in InAs self-assembled quantum dots (SAQDs) yields vastly different optical properties compared to one-dimensionally confined quantum well systems. Intersubband transitions in quantum dots can emit light normal to the growth surface, whereas transitions in quantum wells emit only parallel to the surface. This is a key difference that can be exploited to create a variety of quantum dot devices that have no quantum well analog. Two significant problems limit the utilization of the beneficial features of SAQDs as mid-infrared emitters. One is the lack of understanding concerning how to electrically inject carriers into electronic states that allow optical transitions to occur efficiently. Engineering of an injector stage leading into the dot can provide current injection into an upper dot state; however, to increase the likelihood of an optical transition, the lower dot states must be emptied faster than upper states are occupied. The second issue is that SAQDs have significant inhomogeneous broadening due to the random size distribution. While this may not be a problem in the long term, this issue can be circumvented by using planar photonic crystal or plasmonic approaches to provide wavelength selectivity or other useful functionality.
Author : Nicholas Andrew Wasley
Publisher : Springer Science & Business Media
ISBN 13 : 3319015141
Total Pages : 139 pages
Book Rating : 4.3/5 (19 download)
Download or read book Nano-photonics in III-V Semiconductors for Integrated Quantum Optical Circuits written by Nicholas Andrew Wasley and published by Springer Science & Business Media. This book was released on 2013-09-05 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis breaks new ground in the physics of photonic circuits for quantum optical applications. The photonic circuits are based either on ridge waveguides or photonic crystals, with embedded quantum dots providing the single qubit, quantum optical emitters. The highlight of the thesis is the first demonstration of a spin-photon interface using an all-waveguide geometry, a vital component of a quantum optical circuit, based on deterministic single photon emission from a single quantum dot. The work makes a further important contribution to the field by demonstrating the effects and limitations that inevitable disorder places on photon propagation in photonic crystal waveguides, a further key component of quantum optical circuits. Overall the thesis offers a number of highly novel contributions to the field; those on chip circuits may prove to be the only means of scaling up the highly promising quantum-dot-based quantum information technology.
Author : Ilya Fushman
Publisher :
ISBN 13 :
Total Pages : 352 pages
Book Rating : 4.F/5 ( download)
Download or read book Quantum Dots in Photonic Crystals written by Ilya Fushman and published by . This book was released on 2008 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Laurent Balet
Publisher : Sudwestdeutscher Verlag Fur Hochschulschriften AG
ISBN 13 : 9783838109602
Total Pages : 160 pages
Book Rating : 4.1/5 (96 download)
Download or read book Coupling of quantum dots to photonic crystal nanocavities written by Laurent Balet and published by Sudwestdeutscher Verlag Fur Hochschulschriften AG. This book was released on 2009-09 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recently, the emission of single photons with wavelength in the 1.3um telecommunication window was demonstrated for InAs quantum dots. This makes them strong candidates for applications such as quantum cryptography, and in a longer term, quantum computing. However, efficient extraction of the spontaneous emission from semiconductors still represents a major challenge due to total internal reflection at the semiconductor/air interface. This thesis work explores the integration of quantum dots, with emission at 1.3um, in photonic crystal microcavities. Photons emitted in a mode of the cavity are funneled out of the semiconductor, and thus bypass the total internal reflection. In addition, the modified density of electromagnetic states in the cavity affects the emission lifetime of the weakly coupled emitter: in resonance, we assist to an increase of the emission rate, known as the Purcell effect. Photonic crystal microcavities conveniently address this objective as they provide modes with the required small volumes and high quality factors. They also allow the engineering of the farfield pattern of the cavity modes, and thus of the collection effiency.
Author : Zhiming M Wang
Publisher : Springer Science & Business Media
ISBN 13 : 0387741917
Total Pages : 470 pages
Book Rating : 4.3/5 (877 download)
Download or read book Self-Assembled Quantum Dots written by Zhiming M Wang and published by Springer Science & Business Media. This book was released on 2007-11-29 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: This multidisciplinary book provides up-to-date coverage of carrier and spin dynamics and energy transfer and structural interaction among nanostructures. Coverage also includes current device applications such as quantum dot lasers and detectors, as well as future applications to quantum information processing. The book will serve as a reference for anyone working with or planning to work with quantum dots.
Author : Laurent Balet
Publisher :
ISBN 13 :
Total Pages : 156 pages
Book Rating : 4.:/5 (635 download)
Download or read book Investigation Into the Coupling of Quantum Dots to Photonic Crystal Nanocavities at Telecommunication Wavelengths written by Laurent Balet and published by . This book was released on 2009 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Zhiming M. Wang
Publisher : Springer Science & Business Media
ISBN 13 : 1461435706
Total Pages : 375 pages
Book Rating : 4.4/5 (614 download)
Download or read book Quantum Dot Devices written by Zhiming M. Wang and published by Springer Science & Business Media. This book was released on 2012-05-24 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantum dots as nanomaterials have been extensively investigated in the past several decades from growth to characterization to applications. As the basis of future developments in the field, this book collects a series of state-of-the-art chapters on the current status of quantum dot devices and how these devices take advantage of quantum features. Written by 56 leading experts from 14 countries, the chapters cover numerous quantum dot applications, including lasers, LEDs, detectors, amplifiers, switches, transistors, and solar cells. Quantum Dot Devices is appropriate for researchers of all levels of experience with an interest in epitaxial and/or colloidal quantum dots. It provides the beginner with the necessary overview of this exciting field and those more experienced with a comprehensive reference source.
Author : Peter Michler
Publisher : Springer
ISBN 13 : 3319563785
Total Pages : 457 pages
Book Rating : 4.3/5 (195 download)
Download or read book Quantum Dots for Quantum Information Technologies written by Peter Michler and published by Springer. This book was released on 2017-06-01 with total page 457 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights the most recent developments in quantum dot spin physics and the generation of deterministic superior non-classical light states with quantum dots. In particular, it addresses single quantum dot spin manipulation, spin-photon entanglement and the generation of single-photon and entangled photon pair states with nearly ideal properties. The role of semiconductor microcavities, nanophotonic interfaces as well as quantum photonic integrated circuits is emphasized. The latest theoretical and experimental studies of phonon-dressed light matter interaction, single-dot lasing and resonance fluorescence in QD cavity systems are also provided. The book is written by the leading experts in the field.
Author : Samuel James Dewhurst
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (879 download)
Download or read book Optoelectronic and Photonic Control of Single Quantum Dots written by Samuel James Dewhurst and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The area of quantum information promises to deliver a range of new technologies in the fields of quantum computing and quantum communication. Devices based on semiconductor quantum dots hold great potential for the practical realisation of many of the components required in the proposed schemes. This thesis describes the development of several quantum dot devices. By integrating a quantum dot into a p-i-n diode, it was possible to control the dominant emission lines in its photoluminescence spectrum and to maximise the degree of polarisation correlation between the two photons emitted in the biexciton decay. With the same device under a magnetic field, a digital memory was demonstrated. The polarisation information of a single photon was stored as the spin of an electron inside the quantum dot, and was deterministically recovered some time later by the application of an electrical trigger. A fabrication process was developed in order to produce high quality two dimensional slab photonic crystals operating with a photonic band gap at ~ 900 nm. By placing a quantum dot into an appropriately designed H1 photonic crystal cavity, strong coupling was achieved between the dot and the monopole mode of the cavity. The vacuum Rabi splitting was found to be constant for all linear polarisations due to the unpolarised nature of the far-field of the mode. Finally, a new kind of cavity based on photonic crystal waveguides was developed. A Purcell enhancement of the in-plane spontaneous emission from a quantum dot coupled to a unidirectional photonic crystal waveguide was demonstrated.
Author : Peter Michler
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110703416
Total Pages : 374 pages
Book Rating : 4.1/5 (17 download)
Download or read book Semiconductor Quantum Light Sources written by Peter Michler and published by Walter de Gruyter GmbH & Co KG. This book was released on 2024-01-29 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: The work provides fundamental expertise of quantum optics and photonic quantum technology with particular attention to the generation of non-classical light with semiconductor nanostructures. The book is written by experimentalists for experimentalists at various career stages: physics and engineering students, researchers in quantum optics, industry experts in quantum technology. A didactical structure is followed, having in each chapter overview and summary of the discussed topics, allowing for a quick consultation. The book covers:
Author : Joseph B. Wiedemann
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (13 download)
Download or read book Superradiance of Few Driven Two-level Quantum Dot Emitters in the Bad Cavity Limit written by Joseph B. Wiedemann and published by . This book was released on 2021 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: The pursuit of an integrated quantum optics system requires the ability to determine the effect of design parameters on the quantum electrodynamics regime. We develop a simple master equation for few, driven, two-level emitters in the bad cavity regime. Comparing the resulting photon-photon correlation function in the steady state with experimental data from InGaAs quantum dots coupled to a photonic crystal waveguide, we validate our model parameters for coupling strength, spontaneous decay rate and incoherent driving rate. Building upon this model, we explore the superradiant regime for InGaAs quantum dots coherently driven within a waveguide, creating a model that captures the collective behavior of two-level emitters in the bad cavity limit.
Author : Alexander Tartakovskii
Publisher : Cambridge University Press
ISBN 13 : 1107012589
Total Pages : 377 pages
Book Rating : 4.1/5 (7 download)
Download or read book Quantum Dots written by Alexander Tartakovskii and published by Cambridge University Press. This book was released on 2012-07-19 with total page 377 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive review of cutting-edge solid state research, focusing on quantum dot nanostructures, for graduate students and researchers.
Author :
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (727 download)
Download or read book Efficient Multi-exciton Emission from Quantum Dots written by and published by . This book was released on 2010 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fundamental spontaneous emission rate an emitter can be modified by its photonic environment. By enhancing the spontaneous emission rate, there is a possibility of extracting multi-exciton energies through radiative decay. In this report, we explore using high Q and small volume cavities to enhance the spontaneous emission rate. We observed greater than 50 folds enhancement in the spontaneous emission from photonic crystal waveguide or microcavity using close-packed monolayer of PbS quantum dot emitters.
Author :
Publisher :
ISBN 13 :
Total Pages : 86 pages
Book Rating : 4.:/5 (933 download)
Download or read book Highly Efficient Extraction of Single Photons from a Quantum Dot in a Photonic Crystal Nanocavity written by and published by . This book was released on 2013 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sergey V. Gaponenko
Publisher : Cambridge University Press
ISBN 13 : 1107145503
Total Pages : 453 pages
Book Rating : 4.1/5 (71 download)
Download or read book Applied Nanophotonics written by Sergey V. Gaponenko and published by Cambridge University Press. This book was released on 2019 with total page 453 pages. Available in PDF, EPUB and Kindle. Book excerpt: An accessible yet rigorous introduction to nanophotonics, covering basic principles, technology, and applications in lighting, lasers, and photovoltaics. Providing a wealth of information on materials and devices, and over 150 color figures, it is the 'go-to' guide for students in electrical engineering taking courses in nanophotonics.
