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Light emission from nanostructures exhibits rich quantum effects and has broad applications. Single-walled carbon nanotubes (SWNTs) are one-dimensional (1D) metals or semiconductors, in which large number of electronic states in a narrow…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 David Mann , Y. K. Kato , Anika Kinkhabwala , Eric Pop , Jien Cao , Xinran Wang , Li Zhang , Qian Wang , Jing Guo , Hongjie Dai

Understanding heat transport is relevant to develop efficient strategies for thermal management in microelectronics for instance, as well as for fundamental science purposes. However, measuring temperatures in nanostructured environments…

We demonstrate the strong coupling of a quantum dot and a graphene spherical shell coating it. Our simulations are the exact solutions of 3D Maxwell equations. Interaction produces sharp hybrid modes, even when the two are off-resonant,…

The regulation of temperature at the macro and microscale is a major energy-consuming process of humankind. Modern cooling systems account for 15% of the global energy consumption and are responsible for 10% of greenhouse gas emissions. Due…

Solid-state quantum emitters have emerged as robust single-photon sources and addressable spins: key components in rapidly developing quantum technologies for broadband magnetometry, biological sensing, and quantum information science.…

We investigate the quantum optical properties of a single photon emitter coupled to a finite-size metal nanoparticle using a photon Green function technique that rigorously quantizes the electromagnetic fields. We first obtain pronounced…

Mesoscale and Nanoscale Physics · Physics 2012-02-07 C. Van Vlack , Philip Trøst Kristensen , S. Hughes

Two-dimensional metal oxides play an important role in electronics and optoelectronics, and it is still a challenge to obtain thin oxides film. Here, a fluidic exfoliation method is applied to synthesis the metal oxides film by using…

Materials Science · Physics 2024-09-10 Fengyu Xu , Jianyu Wang , Li Wang

Localised emission from defect states in monolayer transition metal dichalcogenides is of great interest for optoelectronic and quantum device applications. Recent progress towards high temperature localised emission relies on the…

Mesoscale and Nanoscale Physics · Physics 2023-11-10 Sebastian Wood , Filipe Richheimer , Tom Vincent , Vivian Tong , Alessandro Catanzaro , Yameng Cao , Olga Kazakova , Fernando A. Castro

We probe the indistinguishability of photons emitted by a semiconductor quantum dot (QD) via time- and temperature- dependent two-photon interference (TPI) experiments. An increase in temporal-separation between consecutive photon emission…

The creation of white and multicoloured 3D-printed objects with high colour fidelity via powder sintering processes is currently limited by discolouration from thermal sensitizers used in the printing process. Here we circumvent this…

Electric field-controlled, two-dimensional (2D) exciton dynamics in transition metal dichalcogenide monolayers is a current research focus in condensed matter physics. We have experimentally investigated the spectral and temporal properties…

Mesoscale and Nanoscale Physics · Physics 2019-12-11 Michael Engel , Mathias Steiner

The lowest energy states in transition metal dichalcogenide (TMD) monolayers follow valley selection rules, which have attracted vast interest due to the possibility of encoding and processing of quantum information. However, these quantum…

Mesoscale and Nanoscale Physics · Physics 2024-03-22 Sergii Morozov , Torgom Yezekyan , Christian Wolff , Sergey I. Bozhevolnyi , N. Asger Mortensen

Techniques to control the quantum state of light play a crucial role in a wide range of fields, from quantum information science to precision measurements. While for electrons in solid state materials complex quantum states can be created…

Quantum Gases · Physics 2019-11-18 Christian Kurtscheid , David Dung , Erik Busley , Frank Vewinger , Achim Rosch , Martin Weitz

Layered transition-metal dichalcogenides have attracted great interest in the last few years. Thinned down to the monolayer limit they change from an indirect band structure to a direct band gap in the visible region. Due to the monolayer…

Mesoscale and Nanoscale Physics · Physics 2017-02-01 Jan Kuhnert , Arash Rahimi-Iman , Wolfram Heimbrodt

Single-walled carbon nanotubes are a promising material as quantum light sources at room temperature and as nanoscale light sources for integrated photonic circuits on silicon. Here we show that integration of dopant states in carbon…

Mesoscale and Nanoscale Physics · Physics 2018-08-24 A. Ishii , X. He , N. F. Hartmann , H. Machiya , H. Htoon , S. K. Doorn , Y. K. Kato

All-solid-state strong light-matter coupling systems with large vacuum Rabi splitting are great important for quantum information application, such as quantum manipulation, quantum information storage and processing. The monolayer…

Mesoscale and Nanoscale Physics · Physics 2017-04-27 Jinxiu Wen , Hao Wang , Huanjun Chen , Shaozhi Deng , Ningsheng Xu

Density Functional Theory (DFT) has become the quasi-standard for ab-initio simulations for a wide range of applications. While the intrinsic cubic scaling of DFT was for a long time limiting the accessible system size to some hundred…

Materials Science · Physics 2018-02-23 Stephan Mohr , Marc Eixarch , Maximilian Amsler , Mervi J. Mantsinen , Luigi Genovese

Controlled engineering of isolated solid state quantum systems is one of the most prominent goals in modern nanotechnology. In this letter we demonstrate a previously unknown quantum system namely silicon carbide tetrapods. The tetrapods…

We propose a physical scheme to generate entangled light at high temperatures through the excitation of vacuum fluctuations of the electromagnetic field using periodic modulations of a refractive index of a ring resonator. We consider the…

Quantum Physics · Physics 2019-10-29 D. M. N. Magano , P. A. M. Macedo , A. Guerreiro

Topological materials hold great promise for developing next-generation devices with transport properties that remain resilient in the presence of local imperfections. However, their susceptibility to thermal noise has posed a major…

Quantum Physics · Physics 2025-09-11 Jiefei Wang , Jianhao Dai , Ruosong Mao , Yunzhou Lu , Xiao Liu , Huizhu Hu , Shi-Yao Zhu , Xingqi Xu , Han Cai , Da-Wei Wang
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