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We report on the quantum photon statistics of hexagonal boron nitride (h-BN) quantum emitters by analyzing the Mandel Q parameter. We have measured the Mandel Q parameter for h-BN quantum emitters under various temperatures and pump power…

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…

n a recent experiment, we reported the time-domain intensity noise measurement of a single photon source relying on single molecule fluorescence control. In this article we present data processing, starting from photocount timestamps. The…

Quantum Physics · Physics 2009-11-10 Romain Alleaume , Francois Treussart , Jean-Michel Courty , Jean-Francois Roch

Quantum emitters in hexagonal boron nitride (hBN) have recently emerged as promising bright single photon sources. In this letter we investigate in details their optical properties at cryogenic temperatures. In particular, we perform…

Mesoscale and Nanoscale Physics · Physics 2017-09-27 Bernd Sontheimer , Merle Braun , Niko Nikolay , Nikola Sadzak , Igor Aharonovich , Oliver Benson

Color centers in hexagonal boron nitride (hBN) emerge as promising quantum light sources at room temperature, with potential applications in quantum communications, among others. The temporal coherence of emitted photons (i.e. their…

Understanding the properties of novel solid-state quantum emitters is pivotal for a variety of applications in field ranging from quantum optics to biology. Recently discovered defects in hexagonal boron nitride are especially interesting,…

Mesoscale and Nanoscale Physics · Physics 2018-02-28 Andreas W. Schell , Mikael Svedendahl , Romain Quidant

We present a general relation between Mandel's $Q$ parameter describing variance of number of photons emitted from a single molecule and a three time correlation function describing a spectral diffusion process the molecule is undergoing.…

Statistical Mechanics · Physics 2007-05-23 Eli Barkai , YounJoon Jung , Robert Silbey

Quantum theory is the foundation of modern physics. Some of its basic principles, such as Born's rule, however, are based on postulates which require experimental testing. Any deviation from Born's rule would result in higher-order…

Quantum Physics · Physics 2021-04-01 Tobias Vogl , Heiko Knopf , Maximilian Weissflog , Ping Koy Lam , Falk Eilenberger

Single photon emitters in two-dimensional (2D) hexagonal boron nitride (hBN) are promising solid-state quantum emitters for photonic applications and quantum networks. Despite their favorable properties, much is still unknown about their…

Recently discovered quantum emitters in two-dimensional (2D) materials have opened new perspectives of integrated photonic devices for quantum information. Most of these applications require the emitted photons to be indistinguishable,…

Two-dimensional van der Waals materials have emerged as promising platforms for solid-state quantum information processing devices with unusual potential for heterogeneous assembly. Recently, bright and photostable single photon emitters…

Single photon emitters in two-dimensional materials are promising candidates for future generation of quantum photonic technologies. In this work, we experimentally determine the quantum efficiency (QE) of single photon emitters (SPE) in…

Mesoscale and Nanoscale Physics · Physics 2019-08-27 Niko Nikolay , Noah Mendelson , Ersan Özelci , Bernd Sontheimer , Florian Böhm , Günter Kewes , Milos Toth , Igor Aharonovich , Oliver Benson

Hexagonal boron nitride (h-BN) is a 2D, wide band-gap semiconductor that has recently been shown to display bright room-temperature emission in the visible region, sparking immense interest in the material for use in quantum applications.…

Hexagonal boron nitride is a van der Waals material that hosts visible-wavelength quantum emitters at room temperature. However, experimental identification of the quantum emitters' electronic structure is lacking, and key details of their…

Defects in solid-state systems constitute a promising platform for the realization of deterministic quantum emitters. Among many candidate materials and emitters, point defects in hexagonal Boron Nitride (hBN) have recently emerged as…

Quantum Physics · Physics 2026-02-23 Jake Horder , Hugo Quard , Kenji Watanabe , Takashi Taniguchi , Nathan Coste , Igor Aharonovich

Quantum emitters based on atomic defects in layered hexagonal Boron Nitride (hBN) have emerged as promising solid state 'artificial atoms' with atom-like photophysical and quantum optoelectronic properties. Similar to other atom-like…

Development of stable room-temperature bright single-photon emitters using atomic defects in hexagonal-boron nitride flakes (h-BN) provides significant promises for quantum technologies. However, an outstanding challenge in h-BN is creating…

Color centers in hexagonal boron nitride (hBN) show stable single photon emission even at room temperature, making these systems a promising candidate for quantum information applications. Besides this remarkable property, also their…

Mesoscale and Nanoscale Physics · Physics 2021-02-19 Daniel Groll , Thilo Hahn , Paweł Machnikowski , Daniel Wigger , Tilmann Kuhn

Hexagonal boron nitride (hBN) has been experimentally shown to exhibit room-temperature single-photon emission. This emission is attributed to defect states in the wide band-gap of hBN, which allow new optical transitions between these…

Materials Science · Physics 2024-11-15 Reyhan Mehta , Anshuman Kumar

Color centers in solid state crystals have become a frequently used system for single photon generation, advancing the development of integrated photonic devices for quantum optics and quantum communication applications. In particular,…

Quantum Physics · Physics 2018-06-26 Tobias Vogl , Geoff Campbell , Ben C. Buchler , Yuerui Lu , Ping Koy Lam
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