92 citations · 206 across the 20 of their papers we have counts for
22 papers
A quantum coherent spin in a two-dimensional material at room temperature
Hannah L. Stern, Carmem M. Gilardoni, Qiushi Gu +9
Quantum networks and sensing require solid-state spin-photon interfaces that combine single-photon generation and long-lived spin coherence with scalable device integration, ideall…
Optically addressable spin defects coupled to bound states in the continuum metasurfaces
Luca Sortino, Angus Gale, Lucca Kühner +9
Van der Waals (vdW) materials, including hexagonal boron nitride (hBN), are layered crystalline solids with appealing properties for investigating light-matter interactions at the…
Monolithic Platform for Integrated Quantum Photonics with Hexagonal Boron Nitride
Milad Nonahal, Chi Li, Haoran Ren +4
Integrated quantum photonics (IQP) provides a path to practical, scalable quantum computation, communications and information processing. Realization of an IQP platform requires in…
Room-temperature strong coupling in a single photon emitter-dielectric metasurface system
T. Thu Ha Do, Milad Nonahal, Chi Li +5
Single-photon sources with high brightness and long coherence time are promising qubit candidates for quantum technology. To this end, interfacing emitters with high-finesse caviti…
Arbitrary structured quantum emission with a multifunctional imaging metalens
Chi Li, Jaehyuck Jang, Trevon Badloe +8
Structuring light emission from single-photon emitters in multiple degrees of freedom is of a great importance for quantum information processing towards higher dimensions. However…
Stark effect of quantum blue emitters in hBN
Ivan Zhigulin, Jake Horder, Victor Ivady +7
Inhomogeneous broadening is a major limitation for the application of quantum emitters in hBN to integrated quantum photonics. Here we demonstrate that blue emitters with an emissi…
Coherence properties of electron beam activated emitters in hexagonal boron nitride under resonant excitation
Jake Horder, Simon White, Angus Gale +6
Two dimensional materials are becoming increasingly popular as a platform for studies of quantum phenomena and for the production of prototype quantum technologies. Quantum emitter…
Coupling Spin Defects in Hexagonal Boron Nitride to Titanium Oxide Ring Resonators
Milad Nonahal, Chi Li, Febiana Tjiptoharsono +7
Spin-dependent optical transitions are attractive for a plethora of applications in quantum technologies. Here we report on utilization of high quality ring resonators fabricated f…
Real-time ratiometric optical nanoscale thermometry
Yongliang Chen, Chi Li, Tieshan Yang +5
All optical nanothermometry has become a powerful, noninvasive tool for measuring nanoscale temperatures in applications ranging from medicine to nanooptics and solid-state nanodev…
Deterministic fabrication of blue quantum emitters in hexagonal boron nitride
Angus Gale, Chi Li, Yongliang Chen +4
Hexagonal boron nitride (hBN) is gaining considerable attention as a solid-state host of quantum emitters from the ultraviolet to the near infrared spectral ranges. However, atomic…
Electrical Control of Quantum Emitters in a Van der Waals Heterostructure
Simon J. U. White, Tieshan Yang, Nikolai Dontschuk +6
Controlling and manipulating individual quantum systems in solids underpins the growing interest in development of scalable quantum technologies. Recently, hexagonal boron nitride…
Purcell enhancement of a cavity-coupled emitter in hexagonal boron nitride
Johannes E. Fröch, Chi Li, Yongliang Chen +4
Integration of solid state quantum emitters into nanophotonic circuits is a critical step towards fully on-chip quantum photonic based technologies. Among potential materials platf…
Integration of hBN quantum emitters in monolithically fabricated waveguides
Chi Li, Johannes E. Fröch, Milad Nonahal +4
Hexagonal boron nitride (hBN) is gaining interest for potential applications in integrated quantum nanophotonics. Yet, to establish hBN as an integrated photonic platform several c…
Phonon dephasing and spectral diffusion of quantum emitters in hexagonal Boron Nitride
Simon White, Connor Stewart, Alexander S. Solntsev +4
Quantum emitters in hexagonal boron nitride (hBN) are emerging as bright and robust sources of single photons for applications in quantum optics. In this work we present detailed s…
Scalable and Deterministic Fabrication of Quantum Emitter Arrays from Hexagonal Boron Nitride
Chi Li, Noah Mendelson, Ritika Ritika +4
We demonstrate the fabrication of large-scale arrays of single photon emitters (SPEs) in hexagonal boron nitride (hBN). Bottom-up growth of hBN onto nanoscale arrays of dielectric…
Bottom-Up Synthesis of Hexagonal Boron Nitride Nanoparticles with Intensity-Stabilized Quantum Emitters
Yongliang Chen, Xiaoxue Xu, Chi Li +6
Fluorescent nanoparticles are widely utilized in a large range of nanoscale imaging and sensing applications. While ultra-small nanoparticles (size <10 nm) are highly desirable, at…
Tunable quantum photonics platform based on fiber-cavity enhanced single photon emission from two-dimensional hBN
Stefan Häußler, Gregor Bayer, Richard Waltrich +5
Realization of quantum photonic devices requires coupling single quantum emitters to the mode of optical resonators. In this work we present a hybrid system consisting of defect ce…
Grain Dependent Growth of Bright Quantum Emitters in Hexagonal Boron Nitride
Noah Mendelson, Luis Morales, Chi Li +7
Point defects in hexagonal boron nitride have emerged as a promising quantum light source due to their bright and photostable room temperature emission. In this work, we study the…
Optical Thermometry with Quantum Emitters in Hexagonal Boron Nitride
Yongliang Chen, Thinh Ngoc Tran, Ngoc My Hanh Duong +6
Nanoscale optical thermometry is a promising non-contact route for measuring local temperature with both high sensitivity and spatial resolution. In this work, we present a determi…
Near-field energy transfer between a luminescent 2D material and color centers in diamond
Richard Nelz, Mariusz Radtke, Abdallah Slablab +6
Energy transfer between fluorescent probes lies at the heart of many applications ranging from bio-sensing and -imaging to enhanced photo-detection and light harvesting. In this wo…
Charge transition levels of quantum emitters in hexagonal boron nitride
Zai-Quan Xu, Noah Mendelson, John A. Scott +3
Quantum emitters in layered materials are promising candidates for applications in nanophotonics. Here we present a technique based on charge transfer to graphene for measuring the…
Second-harmonic generation in multilayer hexagonal boron nitride flakes
Sejeong Kim, Johannes E. Fröch, Augustine Gardner +3
We report second-harmonic generation (SHG) from thick hexagonal boron nitride (hBN) flakes with approximately 109-111 layers. The resulting effective second-order susceptibility is…