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The prospect of realizing building blocks for long-distance quantum communication is a major driving force for the development of advanced nanophotonic devices. Significant progress has been achieved in this field with respect to the…

Mesoscale and Nanoscale Physics · Physics 2018-08-10 M. Gschrey , M. Seifried , L. Krüuger , R. Schmidt , J. -H. Schulze , T. Heindel , S. Burger , S. Rodt , F. Schmidt , A. Strittmatter , S. Reitzenstein

Quantum conductance calculations on the mechanically deformed monolayers of MoS$_2$ and WS$_2$ were performed using the non-equlibrium Green's functions method combined with the Landauer-B\"{u}ttiker approach for ballistic transport…

Materials Science · Physics 2014-03-04 Mahdi Ghorbani-Asl , Stefano Borini , Agnieszka Kuc , Thomas Heine

Single-photon sources play a key role in photonic quantum technologies. Semiconductor quantum dots can emit indistinguishable single photons under resonant excitation. However, the resonance fluorescence technique typically requires…

Two-dimensional transition metal dichalcogenides (TMDs) of Mo and W in their 1T' crystalline phase host the quantum spin Hall (QSH) insulator phase. We address the electronic properties of the QSH edge states by means of first-principles…

Materials Science · Physics 2019-07-30 Artem Pulkin , Oleg V. Yazyev

Quantum emitters in hexagonal boron nitride (hBN) are promising building blocks for the realization of integrated quantum photonic systems. However, their spectral inhomogeneity currently limits their potential applications. Here, we apply…

Materials Science · Physics 2020-01-13 Noah Mendelson , Marcus Doherty , Milos Toth , Igor Aharonovich , Toan Trong Tran

Directional emission of photons with designed polarizations and orbital angular momenta is crucial for exploiting full potential of quantum emitters (QEs) within quantum information technologies. Capitalizing on the concept of hybrid…

Optics · Physics 2021-12-21 Yinhui Kan , Sergey I. Bozhevolnyi

Two-dimensional (2D) transition metal dichalcogenides (TMDs) have recently emerged as promising candidates for future electronics and optoelectronics. While most of TMDs are intrinsic n-type semiconductors due to electron donating which…

When a quantum emitter (QE) is placed in close proximity to a plasmonic metal nanoparticle (MNP) within an external optical field, a dipole-dipole coupling arises, resulting in a highly tunable hybrid nanosystem that surpasses the optical…

Mesoscale and Nanoscale Physics · Physics 2024-12-11 Harini Hapuarachchi , Jesse A. Vaitkus , Jared H. Cole

Coupling emitters with nanoresonators is an effective strategy to control light emission at the subwavelength scale with high efficiency. Low-loss dielectric nanoantennas hold particular promise for this purpose, owing to their strong Mie…

MoTe$_2$ is an exfoliable transition metal dichalcogenide (TMD) which crystallizes in three symmetries, the semiconducting trigonal-prismatic $2H-$phase, the semimetallic $1T^{\prime}$ monoclinic phase, and the semimetallic orthorhombic…

Scalable and controlled doping of two-dimensional transition metal dichalcogenides is essential for tuning their electronic and optoelectronic properties. In this work, we demonstrate a robust approach for substitution of vanadium in…

Mesoscale and Nanoscale Physics · Physics 2026-04-09 Abhishek Bajgain , Santu Prasad Jana , Alexander Samokhvalov , Thomas Parker , John Derek Demaree , Ramesh C. Budhani

We demonstrate the integration of a thin BaTiO$_3$ (BTO) membrane with monolayer MoSe$_2$ in a dual gate device that enables in-situ manipulation of the BTO ferroelectric polarization with a voltage pulse. While two-dimensional (2D)…

GaN defect-based quantum emitters show significant potential for quantum information technologies, yet their intrinsic nature is not fully understood. In this work, we present results on the temperature-dependent emission polarization of…

Optics · Physics 2025-05-20 Yifei Geng

Selective control over the emission pattern of valley-polarized excitons in monolayer transition metal dichalcogenides is crucial for developing novel valleytronic, quantum information, and optoelectronic devices. While significant progress…

Single-photon sources that are bright, pure, and interference-ready are essential for quantum communication and photonic quantum information processing, but many solid-state platforms still rely on bulky optical excitation, careful…

Quantum Physics · Physics 2026-05-08 Sahil D. Patel , Sean Doan , Luka Jevremovic , Kamyar Parto , Galan Moody

Structural defects in 2D-transition metal dichalcogenides are critical in modulating their optical and electrical behavior. Nevertheless, precise defect control within the monolayer regime poses a significant challenge. Herein, a…

Mesoscale and Nanoscale Physics · Physics 2025-09-30 Anagha Gopinath , Faiha Mujeeb , Subhabrata Dhar , Jyoti Mohanty

Transition metal dichalcogenides (TMDs) are layered two-dimensional semiconductors explored for various optoelectronic applications, ranging from light-emitting diodes to single-photon emitters. To interact strongly with light, such devices…

Mesoscale and Nanoscale Physics · Physics 2024-07-15 Juri G. Crimmann , Moritz N. Junker , Yannik M. Glauser , Nolan Lassaline , Gabriel Nagamine , David J. Norris

The recent discovery of exciton quantum emitters in transition metal dichalcogenides (TMDCs) has triggered renewed interest of localized excitons in low-dimensional systems. Open questions remain about the microscopic origin previously…

Mesoscale and Nanoscale Physics · Physics 2017-05-08 Gabriella D. Shepard , Obafunso Ajayi , Xiangzhi Li , X. -Y. Zhu , James Hone , Stefan Strauf

Transition metal dichalcogenides (TMDs) are regarded as a possible materials platform for quantum information science and related device applications. In TMD monolayers, the dephasing time and inhomogeneity are crucial parameters for any…

Two-dimensional transition-metal dichalcogenides (TMDs) have attracted interest as post-Si channel candidates in transistor technology. However, despite their potential benefits, controllably doping TMDs has proven difficult. In this work,…

Materials Science · Physics 2025-04-22 Nikhil Sivadas , Yongwoo Shin