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Related papers: Mid-Infrared Modulation of Quantum Emitters in Hex…

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Moir\'e potential acts as periodic quantum confinement for optically generated exciton, generating spatially ordered zero-dimensional quantum system. However, broad emission spectrum arising from inhomogeneity among moir\'e potential…

Electron-beams with a sinusoidal energy modulation have the potential to emit sub-femtosecond x-ray pulses in a free-electron laser. The energy modulation can be generated by overlapping a powerful infrared laser with an electron-beam in a…

We report on the noise properties of high-energy mid-infrared supercontinuum (MIR-SC) generation in normal dispersion multimode fibers from the numerical perspective. Noise amplification in multi-modes is primarily due to the stimulated…

Optics · Physics 2024-06-14 Chaofan Yang , Dian Duan , Fan Zou , Kuo Liu , Ruibo Jin , Zechuan Liu , Haoyu Wu

Single defect centers in layered hexagonal boron nitride (hBN) are promising candidates as single photon sources for quantum optics and nanophotonics applications. However, until today spectral instability hinders many applications. Here,…

Mesoscale and Nanoscale Physics · Physics 2018-09-12 A. Dietrich , M. Bürk , E. S. Steiger , L. Antoniuk , T. T. Tran , M. Nguyen , I. Aharonovich , F. Jelezko , A. Kubanek

Single photons emitters (SPEs) are key components in quantum information applications and are commonly generated in 2D materials by inhomogeneous strain engineering. Here, we report an alternative approach that involves a 2D…

Quantum emitters in layered hexagonal boron nitride (hBN) have recently attracted a great attention as promising single photon sources. In this work, we demonstrate resonant excitation of a single defect center in hBN, one of the most…

Single photon emitters in solid-state crystals have received a lot of attention as building blocks for numerous quantum technology applications. Fluorescent defects in hexagonal boron nitride (hBN) stand out due to their high luminosity and…

We experimentally demonstrate wide-band (>100 THz) frequency down-conversion of near-infrared (NIR) femtosecond-scale pulses from an Er:fiber laser to the mid-infrared (MIR) using four-wave-mixing (FWM) in photonic-chip silicon-nitride…

Defect-based single-photon emitters (SPEs) in hexagonal boron nitride (h-BN) are promising platforms for integrated quantum photonics; however, the absence of identified emitters operating at telecom wavelengths remains a critical…

Materials Science · Physics 2026-01-06 Kerem Anar , Berna Akgenc Hanedar , Roya Kavkhani , Mehmet Cengiz Onbasli

Applications of quantum science to computing, cryptography and imaging are on their way to becoming key next generation technologies. Owing to the high-speed transmission and exceptional noise properties of photons, quantum photonic…

Controlling and manipulating individual quantum systems in solids underpins the growing interest in development of scalable quantum technologies. Recently, hexagonal boron nitride has garnered significant attention in quantum photonic…

The ability of hexagonal boron nitride to host quantum emitters in the form of deep-level color centers makes it an important material for quantum photonic applications. This work utilizes a monolithic circular Bragg grating device to…

Applied Physics · Physics 2023-09-27 Lesley Spencer , Jake Horder , Sejeong Kim , Milos Toth , Igor Aharonovich

Mid-infrared (MIR) imaging offers powerful capabilities for label-free chemical analysis, yet its practical deployment remains hindered by the high cost and cryogenic complexity of conventional cameras. Two-photon absorption (TPA) provides…

Optics · Physics 2026-05-25 Huijie Ma , Kun Huang , Jianan Fang , Ziyu He , Yan Liang , Heping Zeng

Hyperbolic phonon polaritons (HPPs) in hexagonal boron nitride (hBN) confine mid-infrared light to deep-subwavelength scales and may offer a powerful route to strong light-matter interactions. Generation and control of HPPs are typically…

Mesoscale and Nanoscale Physics · Physics 2026-03-10 Jie-Cheng Feng , Johannes Eberle , Sambuddha Chattopadhyay , Johannes Knörzer , Eugene Demler , Ataç İmamoğlu

Color centers in hexagonal boron nitride (hBN) are presently attracting broad interest as a novel platform for nanoscale sensing and quantum information processing. Unfortunately, their atomic structures remain largely elusive and only a…

Defect-based quantum emitters in solid state materials offer a promising platform for quantum communication and sensing. Confocal fluorescence microscopy techniques have revealed quantum emitters in a multitude of host materials. In some…

This report summarizes progress made in understanding properties such as zero-phonon-line energies, emission and absorption polarizations, electron-phonon couplings, strain tuning and hyperfine coupling of single photon emitters in…

Materials Science · Physics 2020-04-22 A. Sajid , Michael J. Ford , Jeffrey R. Reimers

In this paper, we demonstrate the infrared photoluminescence emission from Ge(Si) quantum dots enhanced with collective Mie modes of silicon nanopillars. We show that the excitation of band edge dipolar modes of a linear nanopillar array…

Hexagonal boron nitride (hBN) is an emerging material for use in quantum technologies, hosting bright and stable single photon emitters (SPEs). The B-center is one promising SPE in hBN, due to the near-deterministic creation methods and…

Materials Science · Physics 2025-02-24 Evan Williams , Angus Gale , Jake Horder , Dominic Scognamiglio , Milos Toth , Igor Aharonovich

Substitutional carbon defects in hexagonal boron nitride (hBN) are prominent single photon emitters (SPEs), and their potential for spin activity ($S\geq1$) is particularly intriguing. While studies have largely focused on intra-layer…

Materials Science · Physics 2025-06-03 Ignacio Chacon , Andrea Echeverri , Carlos Cardenas , Francisco Munoz