Journal ArticleDOI
Hidden symmetries in the energy levels of excitonic 'artificial atoms'
TLDR
Artificial electronic structure is investigated by injecting optically a controlled number of electrons and holes into an isolated single quantum dot, which forms complexes that are artificial analogues of hydrogen, helium, lithium, beryllium, boron and carbon excitonic atoms.Citations
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Coupling and Entangling of Quantum States in Quantum Dot Molecules
Manfred Bayer,Pawel Hawrylak,Karin Hinzer,Karin Hinzer,Simon Fafard,Marek Korkusinski,Marek Korkusinski,Z. R. Wasilewski,O. Stern,Alfred Forchel +9 more
TL;DR: The electron-hole complex is shown to be equivalent to entangled states of two interacting spins in a pair of vertically aligned, self-assembled quantum dots.
Journal ArticleDOI
Self-tuned quantum dot gain in photonic crystal lasers.
Stefan Strauf,K. Hennessy,Matthew T. Rakher,Y.S. Choi,Antonio Badolato,Lucio Claudio Andreani,Evelyn Hu,Pierre Petroff,Dirk Bouwmeester +8 more
TL;DR: Photon correlation measurements show a transition from a thermal to a coherent light state proving that lasing action occurs at ultralow thresholds, and it is demonstrated that very few quantum dots as a gain medium are sufficient to realize a photonic-crystal laser based on a high-quality nanocavity.
Journal ArticleDOI
Chemical Self-assembly for Electronic Applications
TL;DR: The current state of spontaneous formation of self-assembled monolayers (SAMs) on different substrates as well as on nanoparticles (referred to as monolayer-protected clusters, MPCs) is surveyed in this paper.
Journal ArticleDOI
Bright solid-state sources of indistinguishable single photons.
O. Gazzano,S. Michaelis de Vasconcellos,C. Arnold,A. K. Nowak,Elisabeth Galopin,Isabelle Sagnes,Loïc Lanco,Loïc Lanco,Aristide Lemaître,Pascale Senellart +9 more
TL;DR: This work reports on the fabrication of ultrabright sources of indistinguishable single photons, thanks to deterministic positioning of single quantum dots in well-designed pillar cavities, and shows that a two-laser excitation scheme allows reducing the fluctuations of the quantum dot electrostatic environment under high pumping conditions.
Journal ArticleDOI
Ultrafast terahertz probes of transient conducting and insulating phases in an electron–hole gas
Robert A. Kaindl,Robert A. Kaindl,M.A. Carnahan,M.A. Carnahan,Daniel Hägele,Daniel Hägele,Reinhold Lovenich,Reinhold Lovenich,Daniel S. Chemla,Daniel S. Chemla +9 more
TL;DR: An ultrafast terahertz probe is employed to investigate directly the dynamical interplay of optically-generated excitons and unbound electron–hole pairs in GaAs quantum wells, revealing an unexpected quasi-instantaneous excitonic enhancement, the formation of insulating excitONS on a 100-ps timescale, and the conditions under which excitonics populations prevail.
References
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Journal ArticleDOI
Semiconductor Clusters, Nanocrystals, and Quantum Dots
TL;DR: In this article, the authors focus on the properties of quantum dots and their ability to join the dots into complex assemblies creates many opportunities for scientific discovery, such as the ability of joining the dots to complex assemblies.
Book
Quantum dot heterostructures
TL;DR: In this paper, the growth and structural characterisation of self-organized Quantum Dots are discussed. But they do not consider the model of ideal and real quantum Dots.
Journal ArticleDOI
Fluorescence intermittency in single cadmium selenide nanocrystals
M. Nirmal,M. Nirmal,B. O. Dabbousi,Moungi G. Bawendi,John J. Macklin,John J. Macklin,J. K. Trautman,J. K. Trautman,Timothy D. Harris,Timothy D. Harris,Louis E. Brus,Louis E. Brus +11 more
TL;DR: In this article, it was shown that light emission from single fluorescing nanocrystals of cadmium selenide under continuous excitation turns on and off intermittently with a characteristic timescale of about 0.5 seconds.
Journal ArticleDOI
Dislocation-free Stranski-Krastanow growth of Ge on Si(100).
D. J. Eaglesham,M. Cerullo +1 more
TL;DR: It is shown that the islands formed in Stranski-Krastanow (SK) growth of Ge on Si(100) are initially dislocation free, and the limiting critical thickness of coherent SK islands is shown to be higher than that for 2D growth.
Journal Article
Fluorescence intermittency in single cadmium selenide nanocrystals
M. Nirmal,B. O. Dabbousi,Moungi G. Bawendi,John J. Macklin,J. K. Trautman,Timothy D. Harris,Louis E. Brus +6 more
TL;DR: In this article, it was shown that light emission from single fluorescing nanocrystals of cadmium selenide under continuous excitation turns on and off intermittently with a characteristic timescale of about 0.5 seconds.